DATA SHEET

E8257D PSG Microwave
Analog Signal Generator
Introduction
The Keysight E8257D is a fully synthesized signal generator with high output power, low phase noise,and modulation capability.
Specifications apply over a 0 to 55 °C range unless otherwise stated and apply after a 45-minute warmup time. Supplemental characteristics, denoted as typical, nominal, or measured, provide additional(non-warranted) information at 25 °C, which may be useful in the application of the product.
Unless otherwise noted, this data sheet applies to units with serial numbers ending with 50420000
or greater.

Table of Contents
Definitions...................................................................................................................................................... 3
Frequency ..................................................................................................................................................... 4
Power ............................................................................................................................................................ 7
Spectral Purity ............................................................................................................................................. 15
Analog Modulation ...................................................................................................................................... 27
Pulse Modulation ......................................................................................................................................... 32
Remote Programming ................................................................................................................................. 35
General Specifications ................................................................................................................................ 36
Input and Output Connectors ...................................................................................................................... 37
Options, Accessories, and Related Products.............................................................................................. 39
Related Keysight Literature ......................................................................................................................... 40
Web Resources ........................................................................................................................................... 40
Confidently Covered by Keysight Services ................................................................................................. 412

Definitions
Specification
Represents warranted performance for instruments with a current calibration.

Typical (typ)Represents characteristic performance which is non-warranted. Describes performance that will be met
by a minimum of 80% of all products.

Nominal (nom)Represents characteristic performance which is non-warranted. Represents the value of a parameter thatis most likely to occur; the expected mean or mode of all instruments at room temperature (approximately
25 °C).

Measured
Represents characteristic performance which is non-warranted. Represents the value of a parametermeasured on an instrument during design verification.

3

Frequency
Frequency
Range

Specified range

Tunable range

Option 513

250 kHz to 13 GHz

100 kHz to 13 GHz

Option 520

250 kHz to 20 GHz

100 kHz to 20 GHz

Option 521 1

10 MHz to 20 GHz

10 MHz to 20 GHz

Option 532

250 kHz to 31.8 GHz

100 kHz to 31.8 GHz

Option 540

250 kHz to 40 GHz

100 kHz to 40 GHz

Option 550

250 kHz to 50 GHz

100 kHz to 50 GHz

Option 567

250 kHz to 67 GHz

100 kHz to 70 GHz

Resolution
CW
All sweep modes

0.001 Hz2

CW switching speed 3, 4, 5

0.01 Hz
Standard

Opt UNX

Opt UNY< 11 ms (typ)< 11 ms (typ)< 26 ms (typ)< 7 ms (nom)< 7 ms (nom)< 22 ms (nom)Phase offset

Adjustable in nominal 0.1 ° increments

Frequency bands

Frequency range

N6

1

250 kHz to 250 MHz

1/8

2> 250 to 500 MHz

1/16

3

> 500 MHz to 1 GHz

1/8

4> 1 to 2 GHz

1/4

5> 2 to 3.2 GHz

1/2

6> 3.2 to 10 GHz

17> 10 to 20 GHz

2

8> 20 to 40 GHz

49> 40 GHz

8

Accuracy± [(time since last adjustment x aging rate) + temperature effects + line voltage effects + calibration accuracy]

Internal timebase reference oscillator (OCXO)
Aging rate 7< ± 3 x 10–8/year or< ± 2.5 x 10–10/day after 30 days

Initial achievable calibration accuracy< ± 4 x 10–8

Temperature effects (typ)< ± 4.5 x 10–9 from 0 to 55 °C

Line voltage effects (typ)< ± 2 x 10–10 for ± 10% change

1 For Option 521, performance is degraded below 500 MHz. Refer to specifications for more detail.
2 In ramp sweep mode (Option 007), resolution is limited with narrow spans and slow sweep speeds. Refer to ramp sweep
specifications for more information .
3 Time from GPIB trigger to frequency within 0.1 ppm of final frequency above 250 MHz or within 100 Hz below 250 MHz. CW
switching speed to within 0.05% of final frequency is ≥ 5 ms (nom).
4 Add 12 ms (typical) when switching from greater than 3.2 GHz to less than 3.2 GHz. Option HY2 switching speed is 30 ms (nom)for 250 kHz to 3.2 GHz and 40 ms (nom) for > 3.2 GHz.
5 With Option 1EH low band harmonic filters off. With the 1EH filters turned on, add 4 ms.
6 N is a factor used to help define certain specifications within the document.
7 Not verified by Keysight N7800A TME Calibration and Adjustment Software. Daily aging rate may be verified as a supplementarychargeable service, on request.

4External reference
Frequency

10 MHz only

Lock range± 1.0 ppm

Reference output
Frequency

10 MHzAmplitude> +4 dBm into 50 Ω load (typ)External reference input
Amplitude

5 dBm ± 5 dB 8

Input impedance

50 Ω (nom)Step (digital) sweep
Operating modes

Step sweep of frequency or amplitude or both (start to stop)
List sweep of frequency or amplitude or both (arbitrary list)

Sweep range
Frequency sweep

Within instrument frequency range

Amplitude sweep

Within attenuator hold range (see “Output” section)

Dwell time

1 ms to 60 s

Number of points
Step sweep

2 to 65535

List sweep

2 to 1601 per table

Triggering

Auto, external, single, or GPIB

Settling timeStandard

Opt UNX

Opt UNY

Frequency< 9 ms (typ)< 9 ms (typ)< 24 ms (typ)< 5 ms (typ)< 5 ms (typ)< 5 ms (typ)Amplitude

98 To optimize phase noise use 5 dBm ± 2 dB.
9 19 ms (typ) when stepping from greater than 3.2 GHz to less than 3.2 GHz. Option HY2 switching speed is 30 ms (nom)for 250 kHz to 3.2 GHz and 40 ms (nom) for > 3.2 GHz.

5

Ramp (analog) sweep (Option 007) 10
Operating modes
Synthesized frequency sweep (start/stop), (center/span), (swept CW)Power (amplitude) sweep (start/stop)• Manual sweep° RPG control between start and stop frequencies• Alternate sweep° Alternates successive sweeps between current and stored states••

Sweep span range

Settable from minimum 11 to full range

Maximum sweep rate

Start frequency

Maximum sweep rate

Max span for 100 ms sweep

250 kHz to < 0.5 GHz

25 MHz/ms

2.5 GHz

0.5 to < 1 GHz

50 MHz/ms

5 GHz

1 to < 2 GHz

100 MHz/ms

10 GHz2 to < 3.2 GHz

200 MHz/ms

20 GHz≥ 3.2 GHz

400 MHz/ms

40 GHzFrequency accuracy± 0.05% of span ± timebase (at 100 ms sweep time, for sweep spans less than maximum values given above).
Accuracy improves proportionally as sweep time increases 12

Sweep time (forward sweep, not including bandswitch and retrace intervals)
Manual mode

Settable 10 ms to 200 seconds

Resolution

1 ms

Auto mode

Set to minimum value determined by maximum sweep rate and 8757D setting

Triggering

Auto, external, single, or GPIB

Markers

10 independent continuously variable frequency markers

DisplayZ-axis intensity or RF amplitude pulse

FunctionsM1 to center, M1/M2 to start/stop, marker delta

Two-tone (primary/secondary)measurements 13

Two PSGs can synchronously track each other, with independent control of start/stop frequencies

Network analyzer compatibility

Compatible with Keysight 8757D scalar network analyzer. Also useable with Keysight 8757A/C/E scalar network
analyzers for making basic swept measurements. 14

10 During ramp sweep operation, AM, FM, phase modulation, and pulse modulation are usable but performance is not guaranteed.
11 Minimum settable sweep span is proportional to carrier frequency and sweep time. Actual sweep span may be slightly different
than desired setting for spans less than [0.00004% of carrier frequency or 140 Hz] x [sweep time in seconds]. Actual span wil lalways be displayed correctly.
12 Typical accuracy for sweep times > 100 ms can be calculated from the equation: [(0.005% of span)/(sweep time in seconds)]± timebase. Accuracy is not specified for sweep times < 100 ms.
13 For primary/secondary operation use Keysight part number 8120 -8806 primary/secondary interface cable.
14 GPIB system interface is not supported with 8757A/C/E, only with 8757D. As a result, some features of 8757A/C/E, such as
frequency display, pass-through mode, and alternate sweep, do not function with PSG signal generators.

6PowerOutputMinimum settable output power
Standard–20 dBm

With Option 1E1 step attenuator
Options 513, 520, 521, 532, and 540–135 dBm

Options 550 and 567–110 dBm

Maximum output power (dBm) 15
Frequency range

Spec (Typ)Standard

Option 1EU

Option 1E1

Options 1E1 + 1EU

10 to 250 MHz (filters on)+11+11 (+13)+11+11 (+13)

1 to 250 MHz (filters off)+15

+16 (+17)+15+16 (+17)

10 to 250 MHz (filters on)+15+15 (+17)+15+15 (+17)> 0.25 to 2 GHz (filters on)+15+16 (+17)+15+16 (+17)

250 kHz to 10 MHz+14+14 (+17)+14+14 (+17)> 10 to < 60 MHz+15+16 (+19)+15+16 (+19)

60 to 400 MHz+15+20 (+21)+15+20 (+21)> 0.4 to 3.2 GHz 19+15+21 (+23)+15+21 (+23)> 3.2 to 10 GHz+15+22 (+23)+14+21 (+22)> 10 to 20 GHz+15+21 (+23)+14+19 (+21)

16

Option HY2 17

Options 513 and 520
Low phase noise mode on
18

Low phase noise mode off

Option HY2 carrier frequency

20

250 kHz to < 1 MHz+14 (+17)

1 MHz to < 10 MHz+16 (+17)

10 to 250 MHz+11 (+13)> 0.25 to 2 GHz+16 (+17)> 2 to 3.2 GHz+21 (+23)> 3.2 to 10 GHz+21 (+22)> 10 GHz to 20 GHz+19 (+21)

15 Maximum power specifications are warranted from 15 to 35 °C, and are typical from 0 to 15 °C. Maximum power over the 35 to
55 °C range typically degrades less than 2 dB.
16 With Option 1EH low-pass filters below 2 GHz switched off, unless otherwise specified.
17 Option HY2 requires ordering Option 1E1 +1EH +1EU. Maximum power specifications are warranted from 15 to 35 °C and are
typical from 0 to 15 °C. Maximum operating temperature of Option HY2 is 35 °C.
18 In this mode, harmonics are large and output power refers to the total power including harmonics.
19 With Option 1EH low-pass filters below 2 GHz switched off. With filters on, this specification applies above 2 GHz.
20 With Option HY2 operating in SNR mode.

7

Maximum output power (dBm) 21 continued
Frequency range

Spec (Typ)Standard

Option 1EU

Option 1E1

Options 1E1 + 1EU

10 to 250 MHz (filters on)+11 (+13)n/a+11 (+13)

n/a

10 to 250 MHz (filters off) 24+16 (+17)n/a+16 (+17)

n/a

10 to 250 MHz (filters on)+16 (+18)n/a+16 (+18)

n/a> 0.25 to 2 GHz (filters on)+18 (+20)n/a+18 (+20)

n/a

10 to 250 MHz+19 (+21)n/a+19 (+21)n/a> 0.25 to 1 GHz+24 (+26)n/a+24 (+26)

n/a> 1 to 6 GHz 25+28 (+30)n/a+28 (+30)

n/a> 6 to 14 GHz+28 (+30)

n/a+27 (+28)

n/a> 14 to 17.5 GHz+26 (+28)n/a+25 (+27)

n/a22

Option 521 23
Low phase noise mode on

Low phase noise mode off> 17.5 to 20 GHz+24 (+27)n/a+23 (+26)

n/a

Option 532 and 540

Standard

Option 1EU

Option 1E1

Options 1E1 + 1EU+10+10 (+12)+10+10 (+12)+11+15 (+16)+11+15 (+16)

10 to 250 MHz (filters on)+11+14 (+16)+11+14 (+16)> 0.25 to 2 GHz (filters on)+11+15 (+16)+11+15 (+16)

250 kHz to 10 MHz+11+13 (+16)+11+13 (+16)> 10 to < 60 MHz+11+15 (+18)+11+15 (+18)

60 to 400 MHz+11+19 (+21)+11+19 (+21)> 0.4 to 3.2 GHz 25+11+20 (+22)+11+20 (+22)> 3.2 to 17 GHz+11+19 (+21)+10+17 (+20)> 17 to 20 GHz+11+18 (+20)+9+18 (+20)> 20 to 28 GHz+11+19 (+20)+9+18 (+20)> 28 to 37 GHz+11+16 (+18)+9+15 (+17)> 37 to 40 GHz+11+14 (+17)+9+12 (+16)

Low phase noise mode on
10 to 250 MHz (filters on)
1 to 250 MHz (filters off)

24

Low phase noise mode off

21 Maximum power specifications are warranted from 15 to 35 °C, and are typical from 0 to 15 °C. Maximum power over the 35 to
55 °C range typically degrades less than 2 dB.
22 With Option 1EH low-pass filters below 2 GHz switched off, unless otherwise specified.
23 Option 521 includes low-pass filters below 2 GHz as standard.
24 In this mode, harmonics are large and output power refers to the total power including harmonics.
25 With Option 1EH low-pass filters below 2 GHz switched off. With filters on, this specification applies above 2 GHz.

8

Maximum output power (dBm) 26 continued
Frequency range

27

Spec (Typ)Standard

Option 1EU

Option 1E1

Options 1E1 + 1EU

Option 550 and 567
Low phase noise mode on
10 to 250 MHz (filters on)+5+9 (+11)+5+9 (+11)

1 to 250 MHz (filters off) 28+5+14 (+16)+5+14 (+16)

10 to 250 MHz (filters on)+5+13 (+15)+5+13 (+15)> 0.25 to 2 GHz (filters on)+5+14 (+15)+5+14 (+15)

250 kHz to 10 MHz+5+12 (+15)+5+12 (+15)> 10 to < 60 MHz+5+14 (+17)+5+14 (+17)+5+18 (+20)+5+18 (+20)

Low phase noise mode off

60 to 400 MHz> 0.4 to 3.2 GHz+5+19 (+21)+5+19 (+21)> 3.2 to 15 GHz+5+18 (+21)+4+17 (+20)> 15 to 30 GHz+5+14 (+16)+3+13 (+15)> 30 to 65 GHz+5+11 (+14)+3+9 (+12)> 65 to 67 GHz+5+10 (+14)+3+8 (+12)> 67 to 70 GHz

(+5)

(+8)

(+3)

(+6)

29

26 Maximum power specifications are warranted from 15 to 35 °C, and are typical from 0 to 15 °C. Maximum power over the 35 to
55 °C range typically degrades less than 2 dB.
27 With Option 1EH low-pass filters below 2 GHz switched off, unless otherwise specified.
28 In this mode, harmonics are large and output power refers to the total power including harmonics.
29 With Option 1EH low-pass filters below 2 GHz switched off. With filters on, this specification applies above 2 GHz.

9

Maximum output power (measured)

Step attenuator (Option 1E1) 30
Options 513, 520, 521, 532, and 540

0 dB and 5 dB to 115 dB in 10 dB steps

With Optimize S/N on

0 dB to 115 dB in 5 dB steps

Options 550 and 567

31

0 dB to 90 dB in 10 dB steps

30 The step attenuator provides coarse power attenuation to achieve low power levels. Fine power level adjustment is provided by
the ALC (automatic level control) within the attenuator hold range.
31 With attenuator in auto mode. Optimize S/N mode provides improved signal/noise performance and is included with Option 521
and Option 1EU models. Specs in the following sections (such as level accuracy, spectral purity, modulation, etc) are only
tested with Optimize S/N mode turned off.

10

Attenuator hold range
Minimum

From –20 dBm to maximum specified output power with step attenuator in 0 dB position.
Can be offset using Option 1E1 attenuator.

Amplitude switching speed
ALC on< 6 ms (typ) 32

ALC off< 10 ms (typ) (not including power search) 33

Level accuracy 34(dB)> 20 dBm

20 to > 16 dBm

16 to > 10 dBm

10 to > 0 dBm

0 to –10 dBm< –10 to –20 dBm

Options 513, 520, 532, 540, 550, 567
250 kHz to 2 GHz 35, 36± 0.8± 0.8 37

± 0.6

± 0.6

± 0.6

± 1.2

> 2 to 20 GHz

± 1.0

± 0.8

± 0.8

± 0.8

± 0.8

± 1.2

> 20 to 40 GHz

—

± 1.0

± 1.0

± 0.9

± 0.9

± 1.3

> 40 to 50 GHz

—

—

—

± 1.3

± 0.9

± 1.2

> 50 to 67 GHz

—

—

—

± 1.5

± 1.0

± 1.2 (typ)Option 521
10 to < 500 MHz 35, 38± 1.9 (typ)± 1.2 (typ)± 1.2 (typ)± 1.1 (typ)± 1.2 (typ)± 1.2 (typ)0.5 to 20 GHz

± 1.0

± 0.8

± 0.8

± 0.8

± 0.9

± 1.1 40

39

Level accuracy with step attenuator (Option 1E1) 41 (dB)
26 to > 20 dBm

20 to > 16 dBm

16 to > 10 dBm

10 to > 0 dBm

0 to –10 dBm< –10 to –70 dBm< –70 to –90 dBm

Options 513, 520, 532, 540, 550, 567
250 kHz to 2 GHz 35, 36± 1.0± 0.8 37

± 0.6

± 0.6

± 0.6

± 0.7

± 0.8

> 2 to 20 GHz

± 1.0

± 0.8

± 0.8

± 0.8

± 0.8

± 0.9

± 1.0

> 20 to 40 GHz

—

± 1.0

± 1.0

± 0.9

± 0.9

± 1.0

± 2.0

> 40 to 50 GHz

—

—

—

± 1.3

± 0.9

± 1.5

± 2.5

> 50 to 67 GHz

—

—

—

± 1.5

± 1.0

± 1.5 (typ)± 2.5 (typ)

± 1.3

± 0.8

± 0.8

± 0.7

± 1.0

± 1.0

± 0.8

± 0.8

± 0.8

± 0.8

± 1.1

± 1.1

Option 521
10 to < 500 MHz 35,42
0.5 to 20 GHz± 1.0 39

32 To within 0.1 dB of final amplitude within one attenuator range. Does not apply to Option 521 below 500 MHz.
33 To within 0.5 dB of final amplitude within one attenuator range. Also applies to Option 521 below 500 MHz with ALC on.
34 Specifications apply in CW and list/step sweep modes over the 15 to 35 ºC temperature range with the ALC on. Degradation
outside this temperature range, for power levels > -10 dBm is typically < 0.3 dB (except < 0.5 dB from 2 to 3.2 GHz and with
Option 521 below 500 MHz). In ramp sweep mode (with Option 007), specifications are typical. For instruments with Type -N
connectors (Option 1ED), specifications are degraded typically 0.2 dB above 18 GHz.
35 When Option UNX or UNY low phase noise mode is on, specifications below 250 MHz apply only when Option 1EH low -passfilters below 2 GHz are on. With Option 1EH low -pass filters below 2 GHz off, accuracy is typically ± 2 dB.
36 For Option 550 and 567, degrade level accuracy by 0.2 dB from 1.7 to 2 GHz when step attenuator is set to 0 dB or when
Option 1E1 is not present.
37 Nominal above +16 dBm from 10 MHz to 60 MHz.
38 With Option 521, specifications below 500 MHz are typical, and apply for a 50 Ω load with VSWR less than 1.4:1.
39 Typical above +26 dBm.
40 Typical below -15 dBm.
41 Specifications apply in CW and list/step sweep modes over the 15 to 35 ºC temperature range, with the ALC on and attenuatorhold off (normal operating mode). Degradation outside this temperature range, with attenuator hold on and ALC power levels > 10 dBm, is typically < 0.3 dB (except < 0.5 dB from 2 to 3.2 GHz and with Option 521 below 500 MHz). In ramp sweep mode(with Option 007), specifications are typical. For instruments with type -N connectors (Option 1ED), specifications apply to
18 GHz only.
42 With Option 521, specifications below 500 MHz apply with step attenuator set to 5 dB or higher (requiring Attenuator Hold ON
above 8 dBm). With step attenuator set to 0 dB, refer to level accuracy specifications without Option 1E1.

11

Level accuracy (measured)

12

Resolution

0.01 dB

Temperature stability

0.02 dB/°C (typ) 43

User flatness correction
Number of points

2 to 1601 points/table

Number of tables

Up to 10,000, memory limited

Path loss

Arbitrary, within attenuator range

Entry modes

Remote power meter 44, remote bus, manual (user edit/view)

Output impedance

50 Ω (nom)SWR (internally leveled)
Options 513, 520, 532, 540, 550, 567
250 kHz to 2 GHz< 1.4:1 (typ) 45> 2 GHz to 20 GHz< 1.6:1 (typ)> 20 GHz to 40 GHz< 1.8:1 (typ)> 40 GHz to 67 GHz< 2.0:1 (typ)Option 521
10 to < 500 MHz< 6:1 (typ) without Option 1E1, or step attenuator set to 0 dB
< 1.6:1 (typ) with Option 1E1 step attenuator set ≥ 5 dB

0.5 to 20 GHz< 1.8:1 (typ)Leveling modes

Internal leveling, external detector leveling, millimeter source module, ALC off

External detector levelingRange–0.2 mV to –0.5 V (nom) (–36 dBm to +4 dBm using Keysight 33330D/E detector)

Bandwidth

Selectable 0.1 to 100 kHz (nom) (Note: not intended for pulsed operation)

Maximum reverse power

1/2 Watt, 0 VDC46

Adjustable RF output limit
FunctionProtects external devices by limiting maximum RF output. Operates in all leveling modes (internal, external, source module)

Range

User-adjustable from +15 dBm to maximum output power

Accuracy+15 to +25 dBm± 1 dB (typ)> +25 dBm

± 1.5 dB (typ)Resolution

1 dB

Response time

30 μsec (measured)

Adjustment

Can be locked to prevent accidental change

43 Options 550 and 567: 0.03dB/°C (typ) above 2 GHz. Option 521: 0.03 dB/°C (typ) below 500 MHz.
44 Compatible with Keysight EPM/EPM -P Series power meters.
45 For Options 550 and 567, SWR is 1.7:1 (typ) from 1.7 to 2.0 GHz when the step attenuator is set to 0 dB.
46 For Option 521, maximum reverse power is 1/2 watt when Option 1E1 step attenuator is set at or above 5 dB. When Option 1E1
step attenuator = 0 dB, or for units without Option 1E1, maximum reverse power is 2 watts above 250 MHz, 1/2 watt below 250
MHz.

13

RF output limit (measured)

14

Spectral Purity
Spectral purity
Harmonics 47 (dBc at +10 dBm or maximum specified output power, whichever is lower)
Frequency

Options 513, 520, 532, 540, 550, 567< 1 MHz–25 dBc (typ)1 to < 10 MHz–25 dBc

10 to < 60 MHz–28 dBc

10 to < 60 MHz with Option 1EH filters on–45 dBc

10 to 250 MHz with Option HY2 50 in SNR mode and filters off–8 dBc (typ)0.06 to 2 GHz 51–30 dBc–25 dBc

0.06 to 2 GHz with Option 1EH filters on 52–55 dBc 48–35 dBc 48, 49> 0.25 to 2 GHz with Option HY2– 25 dBc (typ)50

in SNR mode and filters off

Option 521–25 dBc
48> 2 to 20 GHz–55 dBc> 20 to 67 GHz–50 dBc (typ)–35 dBc 48, 49–35 dBc

10 to 250 MHz, Option UNX or UNY low phase noise mode
With Option 1EH filters off–8 dBc (typ)–8 dBc (typ)With Option 1EH filters on–55 dBc 53–35 dBc

47 Specifications are typical for harmonics beyond specified frequency range (beyond 50 GHz for Option 567). Specifications arewith Option 1EH Low-pass Filters below 2 GHz off and Option UNX or UNY low phase noise mode off unless noted.
48 Below 250 MHz in ramp sweep mode (Option 007), Option 1EH filters are always off. Refer to harmonic specification with filter s
off.
49 Option 521 includes low-pass filters below 2 GHz as standard.
50 Option HY2 is only compatible with options 513 and 520.
51 For serial number ≥ MY/SG6305XXXX , at 250.0001 MHz, -24 dBc for options 513, 520, 532, 540, 550, 567 and -19 dBc for
option 521.
52 For serial number ≥ MY/SG6305XXXX, a t 250.0001 MHz, -49 dBc for options 513, 520, 532, 540, 550, 567 and -29 dBc for
option 521.
53 –45 dBc below 60 MHz.

15

Harmonics (measured)16

Sub-harmonics 54 (dBc at +10 dBm or maximum specified output power, whichever is lower)
250 kHz to 10 GHz

None> 10 GHz to 20 GHz< –60 dBc

> 20 GHz< –50 dBc

Non-harmonics 55, 56, 57

(dBc at +10 dBm or maximum specified output power, whichever is lower)
Offsets > 3 kHz(standard) Spec (typ)Offsets > 300 Hz (Opt
UNX or UNY) Spec
(typ)

Offsets > 3 kHz(Option UNY) Spec(typ)

Line-related(≤ 300 Hz)(typ)

250 kHz to 250 MHz–58 (–62 58)–58 (–62 58 )

–58

(–55)

1 to 250 MHz

Frequency–80 (–88)–80 (–88)

–80

(–55)

> 250 MHz to 1 GHz–80 (–88)–80 (–88)

–80

(–55)

> 1 to 2 GHz–74 (–82)–74 (–82)

–80

(–55)

> 2 to 3.2 GHz–68 (–76)–68 (–76)

–76

(–55)

> 3.2 to 10 GHz–62 (–70)–62 (–70)

–70

(–50)

> 10 to 20 GHz–56 (–64)–56 (–64)

–64

(–45)

> 20 to 40 GHz–50 (–58)–50 (–58)

–58

(–39)

> 40 GHz–44 (–52)–44 (–52)

–52

(–37)

59

Residual FM (RMS, 50 Hz to 15 kHz bandwidth)
CW mode< N x 6 Hz (typ)CW mode with Option UNX or UNY< N x 4 Hz (typ)Ramp sweep mode

< N x 1 kHz (typ)Broadband noise (CW mode at +10 dBm or maximum specified output power, whichever is lower, for offsets > 10 MHz)
10 MHz to 20 GHz (without Option 521)

< –148 dBc/Hz (typ)10 MHz to 20 GHz (Option 521)

< –142 dBc/Hz (typ)> 20 to 40 GHz< –141 dBc/Hz (typ)> 40 GHz< –135 dBc/Hz (typ)54 Sub-harmonics are defined as carrier freq*(x/y), where x and y are integers, and x is not an integer multiple of y. Specification s
are typical for sub-harmonics beyond specified frequency range. For Option 567, specifications are typical for carrier
frequencies above 50 GHz.
55 Specifications are typical for spurs beyond specified frequency range (beyond 50 GHz for Option 567). Specifications apply fo r
CW mode, without modulation. In ramp sweep mode (Option 007), performance is typical for offsets > 1 MHz.
56 Excluding external mechanical vibration.
57 This product may have some performance loss (non -harmonics up to -45 dBc at 1 kHz offset) when exposed to 3 V/m ambient
radio frequency EM fields in the range of 800 MHz - 5 GHz when tested per IEC 61000 -4-3.
58 For offsets > 10 kHz.
59 Option UNX or UNY low phase noise mode.

17

Measured RMS jitter 60

60Standard carrier frequency

SONET/SDH data rates

RMS jitter bandwidth

Unit intervals (μUI)

Time (fs)

155 MHz

155 MB/s

100 Hz to 1.5 MHz

30

190

622 MHz622 MB/s

1 kHz to 5 MHz

27

43

2.488 GHz

2488 MB/s

5 kHz to 20 MHz

84

34

9.953 GHz

9953 MB/s

10 kHz to 80 MHz

222

22

39.812 GHz

39812 MB/s

40 kHz to 320 MHz

804

21

Option UNX carrier frequency

SONET/SDH data rates

RMS jitter bandwidth

Unit intervals (μUI)

Time (fs)

155 MHz

155 MB/s

100 Hz to 1.5 MHz

747622 MHz622 MB/s

1 kHz to 5 MHz

27

43

2.488 GHz

2488 MB/s

5 kHz to 20 MHz

8635

9.953 GHz

9953 MB/s

10 kHz to 80 MHz

197

20

39.812 GHz

39812 MB/s

40 kHz to 320 MHz

817

21

Option UNY carrier frequency

SONET/SDH data rates

RMS jitter bandwidth

Unit intervals (μUI)

Time (fs)

155 MHz

155 MB/s

100 Hz to 1.5 MHz

636622 MHz622 MB/s

1 kHz to 5 MHz

21

34

2.488 GHz

2488 MB/s

5 kHz to 20 MHz

53

21

9.953 GHz

9953 MB/s

10 kHz to 80 MHz

97

1039.812 GHz

39812 MB/s

40 kHz to 320 MHz

415

10

Calculated from phase noise performance in CW mode only at +10 dBm. For other frequencies, data rates, or bandwidths,
please contact your sales representative.

18

SSB phase noise (dBc/Hz) (CW) 61, 62

20 kHz offset from carrier

Frequency

Spec

Typical

250 kHz to 250 MHz

–130

–134

> 250 to 500 MHz

–134

–138

> 500 MHz to 1 GHz

–130

–134

> 1 to 2 GHz

–124

–128

> 2 to 3.2 GHz

–120

–124

> 3.2 to 10 GHz

–110

–113

> 10 to 20 GHz

–104

–108

> 20 to 40 GHz

–98

–102

> 40 to 67 GHz

–92

–96

Option UNX: absolute SSB phase noise (dBc/Hz) (CW) 61,62 , serial numbers < MY/SG6305XXXX

Offset from carrier

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)250 kHz to 250 MHz–58 (–66)–87 (–94)–104 (–120)–121 (–128)–128 (–132)–130 (–133)> 250 to 500 MHz–61 (–72)–88 (–98)–108 (–118)–125 (–132)–132 (–136)–136 (–141)> 500 MHz to 1 GHz–57 (–65)–84 (–93)–101 (–111)–121 (–130)–130 (–134)–130 (–135)> 1 to 2 GHz–51 (–58)–79 (–86)–96 (–106)–115 (–124)–124 (–129)–124 (–129)> 2 to 3.2 GHz–46 (–54)–74 (–82)–92 (–102)–111 (–120)–120 (–124)–120 (–124)> 3.2 to 10 GHz–37 (–44)–65 (–72)–81 (–92)–101 (–109)–110 (–114)–110 (–115)> 10 to 20 GHz–31 (–38)–59 (–66)–75 (–87)–95 (–106)–104 (–107)–104 (–109)> 20 to 40 GHz–25 (–32)–53 (–60)–69 (–79)–89 (–99)–98 (–101)–98 (–103)> 40 to 67 GHz–20 (–26)–47 (–56)–64 (–73)–84 (–90)–92 (–95)–92 (–97)

Option UNX: absolute SSB phase noise (dBc/Hz) (CW) 61,62 , serial numbers ≥ MY/SG6305XXXX

Offset from carrier

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)250 kHz to 250 MHz–58 (–66)–87 (–94)–104 (–120)–121 (–128)–128 (–132)–130 (–133)> 250 to 500 MHz–61 (–72)–88 (–98)–108 (–118)–125 (–132)–132 (–136)–135 (–140)> 500 MHz to 1 GHz–57 (–65)–84 (–93)–101 (–111)–121 (–130)–130 (–134)–130 (–135)> 1 to 2 GHz–51 (–58)–79 (–86)–96 (–106)–115 (–124)–124 (–129)–124 (–129)> 2 to 3.2 GHz–46 (–54)–74 (–82)–92 (–102)–111 (–120)–120 (–124)–120 (–124)> 3.2 to 10 GHz–37 (–44)–65 (–72)–81 (–92)–101 (–109)–110 (–114)–110 (–115)> 10 to 20 GHz–31 (–38)–59 (–66)–75 (–87)–95 (–106)–104 (–107)–104 (–109)> 20 to 40 GHz–25 (–32)–53 (–60)–69 (–79)–89 (–99)–98 (–101)–98 (–103)> 40 to 67 GHz–20 (–26)–47 (–56)–64 (–73)–84 (–90)–92 (–95)–92 (–97)

61 Phase noise specifications are warranted from 15 to 35 °C, excluding external mechanical vibration. Option UNY specifications
at 1 kHz offset apply from 25 to 35 °C.
62 Measured at +10 dBm or maximum specified power, whichever is less.

19

Option UNY: absolute SSB phase noise (dBc/Hz) (CW) 63, 64, serial numbers < MY/SG6305XXXX

Offset from carrier, optimized for less than
150 kHz (mode 1)

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)250 kHz to 250 MHz–64 (–70)–92 (–98)–115 (–125)–123 (–135)–138 (–144)–141 (–144)> 250 to 500 MHz–67 (–77)–93 (–101)–111 (–116)–125 (–132)–138 (–144)–142 (–147)> 500 MHz to 1 GHz–62 (–69)–91 (–99)–105 (–111)–121 (–128)–138 (–143)–138 (–144)> 1 to 2 GHz–57 (–63)–86 (–90)–100 (–106)–115 (–121)–133 (–138)–133 (–139)> 2 to 3.2 GHz–52 (–58)–81 (–84)–96 (–102)–111 (–117)–128 (–134)–128 (–134)> 3.2 to 10 GHz–43 (–49)–72 (–76)–85 (–91)–101 (–107)–120 (–126)–120 (–125)> 10 to 20 GHz–37 (–43)–66 (–70)–79 (–85)–95 (–101)–114 (–121)–114 (–119)> 20 to 40 GHz–31 (–37)–60 (–66)–73 (–79)–89 (–95)–108 (–113)–108 (–113)> 40 to 67 GHz–26 (–32)–54 (–60)–68 (–73)–84 (–90)–102 (–107)–102 (–107)

Option UNY: absolute SSB phase noise (dBc/Hz) (CW)63,64, serial numbers ≥ MY/SG6305XXXX

Offset from carrier, optimized for less than
150 kHz (mode 1)

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)250 kHz to 250 MHz–64 (–70)–92 (–98)–115 (–125)–123 (–135)–137 (–144)–140 (–144)> 250 to 500 MHz–67 (–77)–93 (–101)–111 (–116)–125 (–132)–134 (–138)–135 (–138)> 500 MHz to 1 GHz–62 (–69)–91 (–99)–105 (–111)–121 (–128)–138 (–143)–138 (–144)> 1 to 2 GHz–57 (–63)–86 (–90)–100 (–106)–115 (–121)–133 (–138)–133 (–139)> 2 to 3.2 GHz–52 (–58)–81 (–84)–96 (–102)–111 (–117)–128 (–134)–128 (–134)> 3.2 to 10 GHz–43 (–49)–72 (–76)–85 (–91)–101 (–107)–120 (–126)–120 (–125)> 10 to 20 GHz–37 (–43)–66 (–70)–79 (–85)–95 (–101)–114 (–121)–114 (–119)> 20 to 40 GHz–31 (–37)–60 (–66)–73 (–79)–89 (–95)–108 (–113)–108 (–113)> 40 to 67 GHz–26 (–32)–54 (–60)–68 (–73)–84 (–90)–102 (–107)–102 (–107)

63 Phase noise specifications are warranted from 15 to 35 °C, excluding external mechanical vibration. Option UNY specifications
at 1 kHz offset apply from 25 to 35 °C.
64 Measured at +10 dBm or maximum specified power, whichever is less.

20

Option HY2: absolute SSB phase noise (dBc/Hz) (CW), serial numbers below MY/SG60020000
Operating in SNR mode 65, 66, 67, 68

Offset from carrier

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz spec
(typ)

10 kHzspec (typ)100 kHz
spec (typ)1 MHz
spec (typ)10 MHzspec (typ)250 kHz to 1 MHz–64 (–70)–92 (–98)–115 (–125)–123 (–135)–138 (–144)–141 (–144)

N/A

N/A

1 MHz

–116 (–130)–140 (–148)–153 (–160)–160 (–166)–160 (–166)–160 (–165)

N/A

N/A

10 MHz–96 (–112)–126 (–136)–140 (–152)–155 (–162)–155 (–163)–155 (–163)

N/A

N/A

100 MHz–80 (–93)–105 (–117)–120 (–133)–138 (–152)–150 (–157)–150 (–156)–152 (–157)–152 (–158)

250 MHz–68 (–85)–100 (–109)–115 (–126)–133 (–144)–144 (–153)–148 (–153)–150 (–155)–150 (–156)> 250 MHz to 500 MHz–67 (–79)–93 (–104)–111 (–116)–125 (–137)–138 (–149)–145 (–150)–150 (–157)–151 (–158)> 500 MHz to 1 GHz–62 (–71)–91 (–99)–105 (–110)–121 (–133)–138 (–147)–141 (–145)–150 (–155)–151 (–156)> 1 GHz to 2 GHz–57 (–67)–86 (–92)–100 (–107)–115 (–129)–133 (–141)–134 (–139)–147 (–152)–155 (–160)> 2 GHz to 3 GHz–52 (–64)–81 (–89)–96 (–102)–111 (–125)–128 (–137)–130 (–135)–143 (–150)–153 (–159)> 3 GHz to 3.2 GHz–52 (–58)–81 (–84)–96 (–102)–111 (–125)–128 (–137)–128 (–134)–145 (–148)–147 (–153)> 3.2 GHz to 10 GHz–43 (–49)–72 (–76)–85 (–92)–101 (–115)–120 (–128)–120 (–126)–137 (–140)–150 (–157)> 10 GHz to 20 GHz–37 (–43)–66 (–70)–79 (–85)–95 (–101)–114 (–121)–114 (–119)–129 (–133)–145 (–152)

Option HY2: absolute SSB phase noise (dBc/Hz) (CW), serial numbers MY/SG60020000 and above
Operating in SNR mode 65,66,67,68

Offset from carrier

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)1 MHz
spec (typ)10 MHzspec (typ)250 kHz to 1 MHz–64 (–70)–92 (–98)–115 (–125)–123 (–135)–138 (–144)–141 (–144)

N/A

N/A

1 MHz

–116 (–129)–140 (–148)–153 (–160)–157 (–163)–158 (–164)–158 (–163)

N/A

N/A

10 MHz–96 (–111)–126 (–136)–140 (–150)–155 (–162)–155 (–162)–155 (–162)

N/A

N/A

100 MHz–80 (–93)–105 (–117)–120 (–133)–138 (–152)–150 (–156)–150 (–156)–150 (–155)–150 (–155)

250 MHz–68 (–83)–100 (–108)–115 (–123)–133 (–144)–144 (–153)–148 (–153)–150 (–155)–150 (–156)> 250 MHz to 500 MHz–67 (–79)–93 (–104)–111 (–116)–125 (–137)–138 (–149)–145 (–150)–150 (–157)–151 (–158)> 500 MHz to 1 GHz–62 (–71)–91 (–99)–105 (–110)–121 (–133)–138 (–147)–141 (–145)–150 (–155)–151 (–156)> 1 GHz to 2 GHz–57 (–67)–86 (–92)–100 (–107)–115 (–129)–133 (–141)–134 (–139)–147 (–152)–155 (–160)> 2 GHz to 3 GHz–52 (–64)–81 (–89)–96 (–102)–111 (–125)–128 (–137)–130 (–135)–143 (–150)–153 (–159)> 3 GHz to 3.2 GHz–52 (–58)–81 (–84)–96 (–102)–111 (–125)–128 (–137)–128 (–134)–145 (–148)–147 (–153)> 3.2 GHz to 10 GHz–43 (–49)–72 (–76)–85 (–92)–101 (–115)–120 (–128)–120 (–126)–137 (–140)–150 (–157)> 10 GHz to 20 GHz–37 (–43)–66 (–70)–79 (–85)–95 (–101)–114 (–121)–114 (–119)–129 (–133)–145 (–152).

65 Phase noise specifications are warranted from 15 to 35 °C, excluding external mechanical vibration. Option UNY specifications
at 1 kHz offset apply from 25 to 35 °C. Maximum operating temperature of Options HY2 is 35 °C.
66 Measured at +10 dBm or maximum specified power, whichever is less.
67 At carrier ≤ 10 MHz, the offset farthest from the carrier would be limited to 0.99 × carrier frequency.
68 At carriers 1 MHz ≤ F ≤ 250 MHz, measured with filters off at +16 dBm or maximum achievable leveled power, whichever is
less.

21

Option UNX: residual SSB phase noise (dBc/Hz) (CW) 69, 70, serial numbers < MY/SG6305XXXX

Offset from carrier

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)250 kHz to 250 MHz(–94)–100 (–107)–110 (–118)–120 (–126)–128 (–132)–130 (–133)> 250 to 500 MHz(–101)–105 (–112)–115 (–122)–124 (–131)–132 (–136)–136 (–141)> 500 MHz to 1 GHz(–94)–100 (–107)–110 (–118)–120 (–126)–130 (–134)–130 (–134)> 1 to 2 GHz(–89)–96 (–101)–104 (–112)–114 (–120)–124 (–129)–124 (–129)> 2 to 3.2 GHz(–85)–92 (–97)–100 (–108)–110 (–116)–120 (–124)–120 (–124)> 3.2 to 10 GHz

(–74)

(–87)

(–98)

(–106)(–114)(–115)

Option UNX: residual SSB phase noise (dBc/Hz) (CW) 69,70, serial numbers ≥ MY/SG6305XXXX

Offset from carrier

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)250 kHz to 250 MHz(–94)–100 (–107)–110 (–118)–120 (–126)–128 (–132)–130 (–133)> 250 to 500 MHz(–101)–105 (–112)–115 (–122)–124 (–131)–132 (–136)–135 (–140)> 500 MHz to 1 GHz(–94)–100 (–107)–110 (–118)–120 (–126)–130 (–134)–130 (–134)> 1 to 2 GHz(–89)–96 (–101)–104 (–112)–114 (–120)–124 (–129)–124 (–129)> 2 to 3.2 GHz(–85)–92 (–97)–100 (–108)–110 (–116)–120 (–124)–120 (–124)> 3.2 to 10 GHz

(–74)

(–87)

(–98)

(–106)(–114)(–115)

Option UNY: residual SSB phase noise (dBc/Hz) (CW) 69,70, serial numbers < MY/SG6305XXXX

Offset from carrier, optimized for less than
150 kHz (mode 1)

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)250 kHz to 250 MHz(–94)–100(–107)–110 (–118)–123 (–135)–138 (–144)–141 (–144)> 250 to 500 MHz(–101)–105 (–112)–115 (–122)–124 (–130)–138 (–144)–140 (–147)> 500 MHz to 1 GHz(–94)–100 (–108)–110 (–118)–120 (–126)–135 (–142)–135 (–145)> 1 to 2 GHz(–89)–96 (–101)–104 (–112)–115 (–121)–133 (–138)–133 (–139)> 2 to 3.2 GHz(–85)–92 (–97)–100 (–108)–111 (–117)–128 (–134)–128 (–134)> 3.2 to 10 GHz

(–74)

(–87)

(–98)

(–104)(–126)(–125)

Option UNY: residual SSB phase noise (dBc/Hz) (CW) 69,70, serial numbers ≥ MY/SG6305XXXX

Offset from carrier, optimized for less than
150 kHz (mode 1)

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)250 kHz to 250 MHz(–94)–100(–107)–110 (–118)–123 (–135)–138 (–144)–141 (–144)> 250 to 500 MHz(–101)–105 (–112)–115 (–122)–124 (–130)–134 (–138)–135 (–138)> 500 MHz to 1 GHz(–94)–100 (–108)–110 (–118)–120 (–126)–135 (–142)–135 (–145)> 1 to 2 GHz(–89)–96 (–101)–104 (–112)–115 (–121)–133 (–138)–133 (–139)> 2 to 3.2 GHz(–85)–92 (–97)–100 (–108)–111 (–117)–128 (–134)–128 (–134)> 3.2 to 10 GHz

(–74)

(–87)

(–98)

(–104)(–126)(–125)

69 Phase noise specifications are warranted from 15 to 35 °C, excluding external mechanical vibration. Option UNY specifications
at 1 kHz offset apply from 25 to 35 °C.
70 Measured at +10 dBm or maximum specified power, whichever is less.

22

Option UNX: absolute SSB phase noise (dBc/Hz) (CW)
Low phase noise mode (1 to 250 MHz) 71, 72

Offset from carrier

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)1 MHz(–109)(–120)(–130)(–143)(–150)(–150)

10 MHz–90 (–95)–125 (–130)–130 (–135)–143 (–148)–155 (–158)–155 (–158)

10 MHz (Option 521)(–95)(–115)(–125)(–138)(–145)(–145)

100 MHz–70 (–75)–97 (–102)–119 (–124)–130 (–135)–140 (–145)–140 (–145)

250 MHz(–76)(–104)(–121)(–138)(–142)(–142)

Option UNY: absolute SSB phase noise (dBc/Hz) (CW), serial numbers below MY/SG60020000
Low phase noise mode (1 to 250 MHz)71,72

Offset from carrier, optimized for less than 150 kHz (mode 1)

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz
spec (typ)10 kHzspec (typ)100 kHz
spec (typ)1 MHz–116 (–129)–140 (–151)–153 (–161)–160 (–166)–160 (–167)–160 (–165)

10 MHz–96 (–111)–126 (–133)–140 (–150)–155 (–162)–155 (–165)–155 (–165)

10 MHz (Option 521)(–100)(–120)(–135)(–145)(–150)(–150)

100 MHz–80 (–96)–105 (–120)–120 (–130)–138 (–146)–150 (–157)–150 (–157)

100 MHz (Option 521)

–80 (–92)–105 (–110)–120 (–125)–138 (–145)–150 (–152)–150 (–152)

250 MHz–68 (–77)–100 (–108)–114 (–122)–133 (–139)–144 (–153)–144 (–154)

250 MHz (Option 521)

–68 (–77)–100 (–105)–114 (–118)–133 (–139)–144 (–152)–144 (–152)

Option UNY: absolute SSB phase noise (dBc/Hz) (CW), serial numbers MY/SG60020000 and above
Low phase noise mode (1 to 250 MHz) 71,72

Offset from carrier, optimized for less than 150 kHz (mode 1)

Frequency

1 Hz
spec (typ)10 Hz
spec (typ)100 Hzspec (typ)1 kHz spec (typ)10 kHz spec
(typ)

100 kHz spec (typ)1 MHz–116 (–129)–140 (–151)–153 (–161)–157 (–163)–158 (–164)–158 (–163)

10 MHz–96 (–111)–126 (–133)–140 (–150)–155 (–162)–155 (–162)–155 (–162)

10 MHz (Option 521)(–100)(–120)(–135)(–145)(–150)(–150)

100 MHz–80 (–94)–105 (–118)–120 (–130)–138 (–146)–150 (–156)–150 (–156)

100 MHz (Option 521)

–80 (–92)–105 (–110)–120 (–125)–138 (–145)–150 (–152)–150 (–152)

250 MHz–68 (–77)–100 (–108)–114 (–122)–133 (–139)–144 (–153)–144 (–154)

250 MHz (Option 521)

–68 (–77)–100 (–105)–114 (–118)–133 (–139)–144 (–152)–144 (–152)

71 Phase noise specifications are warranted from 15 to 35 °C, excluding external mechanical vibration. Option UNY specifications
at 1 kHz offset apply from 25 to 35 °C.
72 Measured with filters off at +16 dBm or maximum achievable leveled power, whichever is less. Without Option 1EU, frequencies
of 10 MHz and below are not specified. Without Option 1EU or 521, offsets of 10 kHz and greater are not specified.

23

Measured phase noise (data collected with the E5500 and plotted without spurs)

24Measured phase noise (data collected with the E5500 and plotted without spurs); Option UNY phase noise optimized for offsets less than 150 kHz(mode 1)25

Measured phase noise (data collected with the E5500 and plotted without spurs)
Option UNY phase noise optimized for offsets less than 150 kHz (mode 1)

26

Analog Modulation
Frequency modulation73 (Option UNT)
Maximum deviation74
Default RF path

Option UNX or UNY low phase noise mode

Frequency

Max deviation

250 kHz to 250 MHz

2 MHz> 250 to 500 MHz

1 MHz> 500 MHz to 1 GHz

2 MHz> 1 GHz to 2 GHz

4 MHz> 2 GHz to 3.2 GHz

8 MHz> 3.2 GHz to 10 GHz

16 MHz> 10 GHz to 20 GHz

32 MHz> 20 GHz to 40 GHz

64 MHz> 40 GHz to 67 GHz

128 MHz

Frequency

Max deviation> 0.98 to 1.953 MHz

3.906 kHz> 1.953 to 3.906 MHz

7.8125 kHz> 3.906 to 7.813 MHz

15.625 kHz> 7.813 to 15.63 MHz

31.25 kHz> 15.63 to 31.25 MHz

62.5 kHz> 31.25 to 62.5 MHz

125 kHz> 62.5 to 125 MHz

250 kHz> 125 to 250 MHz

500 kHz

0.1% of deviation or 1 Hz, whichever is greater

Resolution< ± (3.5% of FM deviation + 20 Hz) (1 kHz rate, deviations < N x 800 kHz)

Deviation accuracy

Modulation frequency response (at 100 kHz deviation)
75

Path [coupling]

1 dB bandwidth

3 dB bandwidth (typ)FM path 1 [DC]DC to 100 kHz

DC to 10 MHz

FM path 2 [DC]DC to 100 kHz

DC to 1 MHz

FM path 1 [AC]20 Hz to 100 kHz

5 Hz to 10 MHz

FM path 2 [AC]20 Hz to 100 kHz

5 Hz to 1 MHz

FM path 1 [DC]DC to 100 kHz

DC to 9.3 MHz

FM path 2 [DC]DC to 100 kHz

DC to 1 MHz

FM path 1 [AC]20 Hz to 100 kHz

5 Hz to 9.3 MHz

FM path 2 [AC]20 Hz to 100 kHz

5 Hz to 1 MHz

DC FM carrier offset± 0.1% of set deviation + (N x 8 Hz)

Standard or Option UNX

Option UNY

76

73

Above 50 GHz, FM is useable; however performance is not warranted.
Through any combination of path1, path2, or path1 + path2.
Specifications apply in CW and list/step sweep modes. During ramp sweep operation (Option 007), 3 dB bandwidth is typically
50 kHz to 10 MHz (FM1 path), and 50 kHz to 1 MHz (FM2 path).
76
At the calibrated deviation and carrier frequency, within 5 °C of ambient temperature at time of user calibration.
74
75

27

Distortion< 1% (1 kHz rate, deviations < N x 800 kHz)

Sensitivity± 1 Vpeak for indicated deviation

Paths

FM1 and FM2 are summed internally for composite modulation. Either path may be switched to any one of the modulation
sources: Ext1, Ext2, internal1, internal2. The FM2 path is limited to a maximum rate of 1 MHz. The FM2 path must be set to a
deviation less than FM1. To avoid distortion and clipping, signals applied with any combination of FM1, FM2, or FM1+FM2 should
not exceed 1 Vpeak.

Phase modulation 77 (Option UNT)
Maximum deviation 78
Standard or Option UNX default RF path

Option UNY default RF path

Option UNX low phase noise mode

77
78

Frequency

100 kHz BW mode

1 MHz BW mode

250 kHz to 250 MHz

20 rad2 rad> 250 to 500 MHz

10 rad1 rad> 500 MHz to 1 GHz

20 rad2 rad> 1 GHz to 2 GHz

40 rad4 rad> 2 GHz to 3.2 GHz

80 rad8 rad> 3.2 GHz to 10 GHz

160 rad16 rad> 10 GHz to 20 GHz

320 rad32 rad> 20 GHz to 40 GHz

640 rad64 rad> 40 GHz to 67 GHz

1280 rad128 radFrequency

1 MHz BW mode

10 MHz BW mode

250 kHz to 250 MHz

2 rad

0.2 rad> 250 to 500 MHz

1 rad

0.1 rad> 500 MHz to 1 GHz

2 rad

0.2 rad> 1 GHz to 2 GHz

4 rad

0.4 rad> 2 GHz to 3.2 GHz

8 rad

0.8 rad> 3.2 GHz to 10 GHz

16 rad

1.6 rad> 10 GHz to 20 GHz

32 rad

3.2 rad> 20 GHz to 40 GHz

64 rad

6.4 rad> 40 GHz to 67 GHz

128 rad12.8 radFrequency

100 kHz BW mode

1 MHz BW mode

> 0.98 to 1.953 MHz

0.03906 rad

0.003906 rad> 1.953 to 3.906 MHz

0.078125 rad

0.0078125 rad> 3.906 to 7.813 MHz

0.15625 rad

0.015625 rad> 7.813 to 15.63 MHz

0.3125 rad

0.03125 rad> 15.63 to 31.25 MHz

0.625 rad0.0625 rad> 31.25 to 62.5 MHz

1.25 rad0.125 rad> 62.5 to 125 MHz

2.5 rad0.25 rad> 125 to 250 MHz

5 rad

0.5 rad

Above 50 GHz, phase modulation is useable; however performance is not warranted.
Through any combination of path1, path2, or path1 + path2.

28

Option UNY low phase noise mode

Frequency

1 MHz BW mode

10 MHz BW mode

> 0.98 to 1.953 MHz

0.003906 rad

0.0003906 rad> 1.953 to 3.906 MHz

0.0078125 rad

0.00078125 rad> 3.906 to 7.813 MHz

0.015625 rad

0.0015625 rad> 7.813 to 15.63 MHz

0.03125 rad

0.003125 rad> 15.63 to 31.25 MHz

0.0625 rad

0.00625 rad> 31.25 to 62.5 MHz

0.125 rad0.0125 rad> 62.5 to 125 MHz

0.25 rad0.025 rad> 125 to 250 MHz

0.5 rad0.05 radResolution

0.1% of set deviation

Deviation accuracy< ± 5% of deviation + 0.01 radians (1 kHz rate with 1 MHz BW mode for Option UNY or 100 kHz BW modeotherwise)

Modulation frequency response 79

Rates (3 dB bandwidth)Standard

UNX

UNY

100 kHz BW mode

DC to 100 kHz

NormalNormaln/a

1 MHz BW mode

DC to 1 MHz (typ) 80

High

High

Normal10 MHz BW mode

DC to 10 MHz (typ)

n/a

n/a

High

Distortion
Standard or Option UNX< 1% (1 kHz rate, total harmonic distortion (THD), deviation < N x 80 rad, 100 kHz BW mode)

Option UNY< 1% (1 kHz rate, total harmonic distortion (THD), deviation < N x 8 rad, 1 MHz BW mode)

Sensitivity± 1 Vpeak for indicated deviationPaths

M1 and M2 are summed internally for composite modulation. Either path may be switched to any one of
the modulation sources: Ext1, Ext2, internal1, internal2. The M2 path is limited to a maximum rate of 1 MHz.
The M2 path must be set to a deviation less than M1. To avoid distortion and clipping, signals applied withany combination of M1, M2, or M1+ M2 should not exceed 1 Vpeak.

79 Specifications apply in CW and list/step sweep modes. During ramp sweep operation (Option 007), 3 dB bandwidth is typically
50 kHz to 1 MHz (high BW mode).
80 Path 1 is useable to 4 MHz for external inputs less than 0.3 V p e a k ; useable to 8 MHz for external inputs less than 0.1 V p e a k .

29

Amplitude modulation 81,82 (Option UNT) (typical)
Depth

Linear mode

Exponential (log) mode (downward modulation only)
Option UNT

Option UNT + 1SM 83> 90%> 20 dB> 20 dB

or ALC on with deep AM 85> 95%> 50 dB 86> 60 dB 86

Settable0 to 100%

0 to 40 dB

0 to 40 dB

Sensitivity

0 to 100 %/V

0 to 40 dB/V

0 to 40 dB/V

Resolution

0.1%

0.01 dB

0.01 dB± (6% of setting + 1%)± (2% of setting + 0.2 dB)± (2% of setting + 0.2 dB)

Maximum
ALC on
ALC off with power search

84

Depth accuracy (1 kHz rate)
ALC on

ALC off with power search 84 or ALC on with deep AM 85< 2 dB depth——± 0.5 dB

< 10 dB depth——± 1 dB< 40 dB depth——± 2 dB< 50 dB depth——± 3 dB< 60 dB depth——± 5 dB

Sensitivity for indicated depth

1 Vpeak–1 V or +1 V

–1 V or +1 V

Maximum allowable±1V± 3.5 V 87

± 3.5 V 87

External input (selectable polarity)

Rates (3 dB bandwidth, 30% depth)
DC coupled

0 to 100 kHz

AC coupled

10 Hz to 100 kHz (useable to 1 MHz) 88

Distortion 89 (1 kHz rate, ALC On, linear mode, total harmonic distortion)
30% AM< 1.5%

60% AM

< 2%

Paths

AM1 and AM2 are summed internally for composite modulation. Either path may be switched to any one of the modulation
sources: Ext1, Ext2, Internal1, Internal2

81 All AM specifications are typical. For carrier frequencies below 2 MHz or above 50 GHz, AM is useable but not specified.
Unless otherwise stated, specifications apply with ALC on, deep AM off, and envelope peaks within ALC operating range ( –20
dBm to maximum output power, excluding step-attenuator setting .)82 Below 250 MHz with Option UNX and UNY low phase noise mode on, AM is useable but not recommended or specified.
83 Option 1SM scan modulation is available with Options 513 and 520 only, and provides exponential (log) AM with improved
accuracy. In this mode, maximum output power is reduced up to 3 dB below 3.2 GHz.
84 ALC off is used for narrow pulse modulation and/or high AM depths with envelope peaks below ALC operating range (40 dB).
Carrier power level will be accurate after a power search is executed. (See pulse modulation section for an explanation of
power search).
85 Deep AM with ALC on provides increased AM depths and improved distortion, together with closed -loop internal leveling. Thismode must be used with a repetitive AM waveform (frequency > 10 Hz) with peaks > –5 dBm (nominal, excluding stepattenuator setting).
86 Modulation depths greater than 40 dB require an external input greater than ± 1 V, and are not available with the internal
modulation source.
87 If 600 Ω input impedance is selected, maximum input voltage is ± 6 V.
88 For Options 550 and 567, maximum rate is 80 kHz from 20 GHz to 40 GHz.
89 For Option 521, distortion specifications apply for envelope peaks within the range of -15 dBm to +24 dBm, excluding step attenuator setting.

30

External modulation inputs (Ext1 & Ext2) (Option UNT)
Modulation types

AM, FM, and M

Input impedance

50 Ω or 600 Ω (nom) switched

High/low indicator

100 Hz to 10 MHz BW, activated when input level error exceeds 3% (nom), ac coupled inputs onlyInternal modulation source (Option UNT)
Dual function generators

Provide two independent signals (internal1 and internal2) for use with AM, FM, M, or LF out.

Waveforms

Sine, square, positive ramp, negative ramp, triangle, Gaussian noise, uniform noise, swept sine, dual sine 90

Rate range
Sine

0.5 Hz to 1 MHz

Square, ramp, triangle

0.5 Hz to 100 kHz

Resolution

0.5 HzAccuracy

Same as timebase

LF out90

OutputInternal1 or internal2. Also provides monitoring of internal1 or internal2 when used for AM, FM, or M

Amplitude

0 to 3 Vpeak (nom) into 50 Ω

Output impedance

50 Ω (nom)

Swept sine mode

(frequency, phase continuous)

Operating modes

Triggered or continuous sweeps

Frequency range

1 Hz to 1 MHz

Sweep rate

0.5 to 100,000 sweeps/s, equivalent to sweep times 10 μs to 2 s

Resolution

0.5 Hz (0.5 sweep/s)

Internal2 is not available when using swept sine or dual sine modes.

31

Pulse Modulation
Pulse modulation 91 (Option UNU or UNW)
On/off ratio

Option UNU

Option UNW

80 dB (typ)80 dB

50 to 400 MHz

10 ns (typ)15 ns (10 ns typ)> 400 MHz

6 ns (typ)10 ns (6 ns typ)50 MHz to 1 GHz

25 ns (typ)30 ns (25 ns typ)1 to 3.2 GHz

12 ns (typ)15 ns (12 ns typ)> 3.2 GHz

6 ns (typ)10 ns (6 ns typ)

1 µs

1 µs

50 to 400 MHz

150 ns30 ns> 400 MHz

150 ns

20 ns

50 MHz to 1 GHz

150 ns

60 ns

1 to 3.2 GHz

150 ns

30 ns> 3.2 GHz

150 ns

20 ns

ALC on10 Hz to 500 kHz

10 Hz to 500 kHz

ALC off

dc to 3 MHz

dc to 10 MHz± 0.5 dB (0.15 dB typ)± 0.5 dB (0.15 dB typ)50 MHz to 3.2 GHz 94± 0.7 dB (typ)± 0.7 dB (typ)> 3.2 GHz

± 0.5 dB (typ)± 0.5 dB (typ)Width compression (RF width relative to video out)

± 5 ns (typical)± 5 ns (typical)

Rise/fall times (Tr, Tf)
Options 513, 520, 532, 540, 550, 567

Option 521

Minimum pulse width
ALC on
ALC off
Options 513, 520, 532, 540, 550, 567

Option 521

Repetition frequency

Level accuracy (relative to CW)
ALC on 92
ALC off with power search 93

91 With ALC off, specs apply after the execution of power search. Specifications apply with Atten Hold Off (default mode for
instruments with attenuator), or ALC level between –5 and +10 dBm or maximum specified power, whichever is lower. Above
50 GHz or below 50 MHz, pulse modulation is useable; however performance is not warranted. Pulse modulation does notoperate if Option UNX or UNY low phase noise mode is on.
92 ± 0.8 dB for pulse width ≤ 1 µs with RF frequency ≤ 100 MHz
93 Power Search is a calibration routine that improves level accuracy with ALC off. The instrument microprocessor momentarilycloses the ALC loop to find the modulator drive setting necessary to make the quiescent RF level equal to an entered value,then opens the ALC loop while maintain- ing that modulator drive setting. When executing Power Search, RF power will bepresent for typically 10 to 50 ms; the step attenuator (Option 1E1) can be set to automatically switch to maximum attenuation toprotect sensitive devices. Power search can be configured to operate either automatically or manually at the carrier frequency,
or over a user-definable frequency range. Power search may not operate above the maxi - mum specified output power.
94 ±0.8 dB (typical) for Option 550 and Option 567.

32

Video feed-through 95

Option UNU

Option UNW

50 to 250 MHz< 3% (typ)< 3% (typ)> 250 to 400 MHz< 11% (typ)< 11% (typ)> 0.4 to 3.2 GHz< 6% (typ)< 6% (typ)> 3.2 GHz without Opt 521< 2 mV pk-pk (typ)< 2 mV pk-pk (typ)> 3.2 GHz with Opt 521< 50 mV pk-pk (typ)< 50 mV pk-pk (typ)Video delay (ext input to video)

50 ns (nom)

50 ns (nom)

50 to 250 MHz

35 ns (nom)

35 ns (nom)> 0.25 to 3.2 GHz

25 ns (nom)

25 ns (nom)> 3.2 GHz

30 ns (nom)

30 ns (nom)Without Option 521< 10% (typ)< 10% (typ)With Option 521< 20% (typ)< 20% (typ)Input level+1 V = RF on+1 V = RF on

Input impedance

50 Ω (nom)50 Ω (nom)RF delay (video to RF output)

Pulse overshootMeasured pulse modulation envelope
Frequency = 9 GHz, amplitude = 10 dBm, ALC Off, 10 ns/div

95

With Option 1E1 step attenuator in 0 dB position. Above 3.2 GHz, video feed -through decreases with step attenuator setting.
Below 3.2 GHz, video feed-through is expressed as a percentage of RF output level.

33

Internal pulse generator (Option UNU or UNW)
Modes

Free-run, triggered, triggered with delay, doublet, and gated. Triggered with delay, doublet, and gatedrequire external trigger source.

Period (PRI) (Tp)

70 ns to 42 s (repetition frequency: 0.024 Hz to 14.28 MHz)

Pulse width (Tw)

10 ns to 42 s

Delay (Td)
Free-run mode

0 to ± 42 s

Triggered with delay and doublet modes

75 ns to 42 s with ± 10 ns jitter

Resolution

10 ns (width, delay, and PRI)•

Td video delay (variable)•

Tw video pulse width (variable)•

Tp Pulse period (variable)•

Tm RF delay•

Trf RF pulse width•

Tf RF pulse fall time•

Tr RF pulse rise time•

Vor pulse overshoot•Vf video feedthroughSimultaneous modulation
All modulation types (FM, AM, M, and pulse modulation) may be simultaneously enabled except: FM with M, and linear AM with exponential AM. AM, FM, andM can sum simultaneous inputs from any two sources (Ext1, Ext2, internal1, or internal2). Any given source (Ext1, Ext2, internal1, or internal2) may be routed toonly one activated modulation type.

34

Remote Programming
Remote programming
Interfaces

GPIB (IEEE-488.2,1987) with listen and talk, RS-232, and 10BaseT LAN interface.

Control languages

SCPI version 1997.0. Completely code compatible with previous PSG signal generator models:•E8241A
•
E8244A
•
E8251A
•
E8254A
•E8247C
•E8257CThe E8257D will emulate the applicable commands for the following signal generators, providing generalcompatibility with ATE systems:•
Keysight 8340-Series (8340/41B)•
Keysight 8360-Series (836xxB/L)•
Keysight 83700-Series (837xxB)•
Keysight 8662A/63A•
Keysight 8664A/8665B•
Keysight 8643A/8644B•
Aeroflex 2040 Series

IEEE-488 functions

SH1, AH1, T6, TE0, L4, LE0, SR1, RL1, PP0, DC1, DT0, C0, E2.

Keysight IO libraries

Keysight’s IO Library Suite ships with the E8257D to help you quickly establish an error-free connection
between your PC and instruments—regardless of the vendor. It provides robust instrument control and works
with the software development environment you choose.

35General Specifications
General specifications
Power requirements

100/120 VAC 50/60/400 Hz; or 220/240 VAC 50/60 Hz, (automatically selected); < 250 W typical, 450 W maximum

Operating temperature range

0 to 55 °C

Storage temperature range–40 to 70 °C

96Altitude

0 to 4600 m (15,000 ft.)

Humidity

Relative humidity - type tested at 95%, +40°C (non-condensing)Environmental testing

Samples of this product have been tested in accordance with the Keysight Environmental Test Manual and verified to
be robust against the environmental stresses of storage, transportation, and end-use; those stresses include but are
not limited to temperature, humidity, shock, vibration, altitude, and power line conditions. Test methods are alignedwith IEC 60068-2 and levels are similar to MIL-PRF-28800F Class 3. 97

ISO compliant

This family of signal generators is manufactured in an ISO-9001 registered facility in concurrence with Keysight's
commitment to quality.
Conforms to the immunity and emission requirements of IEC/EN 61326-1 including the conducted and radiatedemission requirements of CISPR Pub 11 Group 1 class A.

EMC
Note: This product may have some performance loss (non-harmonics up to -45 dBc at 1kHz off- set) when exposed
to 3V/m ambient radio frequency EM fields in the range of 800 MHz - 5 GHz when tested per IEC 61000-4-3.

Acoustic noise

Normal: 51 dBA (nom) Worst case: 62 dBA (nom) 98

Storage

Memory is shared by instrument states and sweep list files. There is 14 MB of flash memory available in the E8257D
PSG. Depending on how the memory is used, a maximum of 1000 instrument states can be saved.

Security

Display blanking
Memory clearing functions (See Application Note, "Security Features of Keysight Technologies Signal Generators,"
Part Number E4400-90621)
With Option 008, all user-written files are stored on an 8 GByte removable flash memory card.

Compatibility

Keysight 83550 Series millimeter heads OML millimeter source modules
VDI millimeter frequency extenders Keysight 8757D scalar network analyzers
Keysight EPM/EPM-P Series power meters

Self-test

Internal diagnostic routine tests most modules (including microcircuits) in a preset condition. For each module, if its
node voltages are within acceptable limits, then the module “passes” the test.

Weight< 22 kg (48 lb.) net, < 30 kg (68 lb.) shipping

Dimensions

178 mm H x 426 mm W x 515 mm D (7” H x 16.8” W x 20.3” D)

Recommended calibration cycle

24 months

96 During storage below –20 °C, instrument states may be lost.
97 As is the case with all signal generation equipment, phase noise specifications are not warranted in a vibrating environment.
98 This is louder than typical Keysight equipment: 60 dBA (nom).

36

Input and Output Connectors
Front panel connectors (all connectors are BNC female unless otherwise noted.) 99
RF output

Output impedance 50 Ω (nom)

Options 513, 520 and 521

Precision APC-3.5 male, or Type-N female with Option 1ED

Options 532, 540, and 550

Precision 2.4 mm male; plus 2.4 – 2.4 mm and 2.4 – 2.9 mm female adapters

Option 567

Precision 1.85 mm male; plus 1.85 – 1.85 mm and 2.4 – 2.9 mm female adapters

ALC input

Used for negative external detector leveling. Nominal input impedance 120 kΩ, damage level ± 15 V.

LF output

Outputs the internally generated LF source. Nominal output impedance 50 Ω.

External input 1

Drives either AM, FM, or M. Nominal input impedance 50 or 600 Ω, damage levels are 5 Vrms and 10 Vpeak.

External input 2

Drives either AM, FM, or M. Nominal input impedance 50 or 600 Ω, damage levels are 5 Vrms and 10 Vpeak.

Pulse/trigger gate input

Accepts input signal for external fast pulse modulation. Also accepts external trigger pulse input for internal
pulse modulation. Nominal impedance 50 Ω. Damage levels are 5 Vrms and 10 Vpeak.

Pulse video out

Outputs a signal that follows the RF output in all pulse modes. TTL-level compatible, nominal source impedance 50 Ω.

Pulse sync out

Outputs a synchronizing pulse, nominally 50 ns width, during internal and triggered pulse modulation.
TTL-level compatible, nominal source impedance 50 Ω.

Caution: Option 521 output power > 1 Watt

99 Digital inputs and outputs are 3.3 V CMOS unless indicated otherwise. Inputs will accept 5 V CMOS, 3 V CMOS, or TTL voltage
levels.

37

Rear panel connectors (All connectors are BNC female unless otherwise noted.) 100

Auxiliary interface (dual mode)

Used for RS-232 serial communication and for primary/secondary source synchronization.
(9-pin subminiature female connector). For primary/secondary operation, use Keysight part number 8120-8806
primary/secondary interface cable.

GPIB

Allows communication with compatible devices

LAN

Allows 10BaseT LAN communication

10 MHz input

Accepts a 10 MHz external reference (timebase) input.
Nominal input impedance 50 Ω
Damage levels > +10 dBm

10 MHz output

Outputs internal or external reference signal. Nominal output impedance 50 Ω. Nominal output power+8 dBm.
Supplies a voltage proportional to the RF power or frequency sweep ranging from 0 volts at the start of sweep to +10 volts(nom) at the end of sweep, regardless of sweep width.

Sweep output (dual mode)

During CW operation, supplies a voltage proportional to the output frequency, +10 volts (nom)corresponding to the maximum specified frequency.
When connected to a Keysight 8757D scalar network analyzer (Option 007), generates a selectable number of equally
spaced 1 μs pulses (nom) across a ramp (analog) sweep. Number of pulses can be set from 101 to 1601 by remote control
from the 8757D.
Output impedance: < 1 Ω (nom), can drive 2 kΩ.

Stop sweep in/out

Open-collector, TTL-compatible input/output. In ramp sweep operation, provides low level (nominally 0 V) during sweep
retrace and bandcross intervals, and high level during the forward portion of the sweep. Sweep will stop when grounded
externally, sweep will resume when allowed to go high.

Trigger output (dual mode)

Outputs a TTL signal. High at start of dwell, or when waiting for point trigger; low when dwell is over or point trigger isreceived. In ramp sweep mode, provides 1601 equally-spaced 1 μs pulses (nom) across a ramp sweep. When using LF
Out, provides 2 μs pulse at start of LF sweep .

Trigger input

Accepts 3.3 V CMOS signal for triggering point-to-point in manual sweep mode, or to trigger start of LF sweep.
Damage levels ≥ +10 V or ≤ –4 V.

Source module interface

Keysight 83550 Series mm source modules: Provides bias, flatness correction and leveling connections.
OML SxxMS-AG mm source modules: Provides power to the module and returns frequency multiplication information fromthe module.

Source settled

Provides an output trigger that indicates when the signal generator has settled to a new frequency or power level. High
indicates source not settled, Low indicates source settled.

Z-axis blank/markers

During ramp sweep, supplies +5 V (nom) level during retrace and bandswitch intervals. Supplies –5 V (nom) level when
the RF frequency is at a marker frequency.

10 MHz EFC(Option UNX or UNY) Accepts an external DC voltage, ranging from –5 V to +5 V, for electronic frequency control (EFC) of
the internal 10 MHz reference oscillator. This voltage inversely tunes the oscillator about its center frequency
approximately –0.07 ppm/V. The nominal input impedance is greater than 1 MΩ.

1 GHz out

(Option UNX or UNY) Low noise 1 GHz reference output signal, approximately +5 dBm (nom).

Removable flash memory drive

Accepts 8 GB compact flash memory card for optional non-volatile memory (Option 008 only).
All user information (Save/Recall settings, flatness files, presets, etc) is stored on removable memory
card when Option 008 i installed.

100 Digital inputs and outputs are 3.3 V CMOS unless indicated otherwise. Inputs will accept 5 V CMOS, 3 V CMOS, or TTL
voltage levels.

38

Options, Accessories, and Related Products
Model/option

Description

E8257D-513

Frequency range from 250 kHz to 13 GHz

E8257D-520

Frequency range from 250 kHz to 20 GHz

E8257D-521

Ultrahigh output power, frequency range from 10 MHz to 20 GHz

E8257D-532

Frequency range from 250 kHz to 31.8 GHz

E8257D-540

Frequency range from 250 kHz to 40 GHz

E8257D-550

Frequency range from 250 kHz to 50 GHz

E8257D-567

Frequency range from 250 kHz to 67 GHz

E8257D-007

Analog ramp sweep

E8257D-008

8 GB removable flash memory

E8257D-UNX

Ultra low phase noise

E8257D-UNY

Enhanced ultra-low phase noise

E8257D-HY2

Enhanced ultra-low phase noise level 2

E8257D-UNT

AM, FM, phase modulation, and LF output

E8257D-UNU

Pulse modulation

E8257D-UNW

Narrow pulse modulation

E8257D-1E1

Step attenuator

E8257D-1ED

Type-N (f) RF output connector (Option 513, 520 and 521 only)

E8257D-1EH

Improved harmonics below 2 GHz (low-pass filters standard with Option 521)

E8257D-1EM

Moves all front panel connectors to the rear panel

E8257D-1EU

High output power (standard with Option 521)

E8257D-1SM

Scan modulation (Option 513 and 520 only)

E8257D-C09

Move all front panel connectors to the rear panel except for the RF output connector

E8257D-UK6

Commercial calibration certificate and test data

E8257D-A6J

ANSI Z540-1-1994 calibration

E8257D-1A7

Calibration + uncertainties + guardbanding

E8257D-AMG

Calibration + uncertainties + guardbanding (accredited)

E8257D-ABA

Printed copy of the English documentation set

Customized product solutions
E8257D-H1S

1 GHz external frequency reference input and output

E8257D-HCC

Connections for phase coherency > 250 MHz

Accessories
8120-8806

Primary/secondary interface cable

1819-0427

8 GByte compact flash memory card

1CM114A

Rackmount flange kit (Palette 2015)

1CN103A

Front handle kit (Palette 2015)

1CP106A

Rackmount kit with front handles (Palette 2015)

1CR100A

Rack slide kit (Palette 2015)

U3035P

Distribution network - PSG

39

Related Keysight Literature
Keysight Microwave Signal Generators
Brochure, Literature number 5991-4876EN
E8257D PSG Analog Signal Generator
Configuration Guide, Literature number 5989-1325EN
E8267D PSG Vector Signal Generator
Data Sheet, Literature number 5989-0697EN
Configuration Guide, Literature number 5989-1326EN
E8663D PSG RF Analog Signal Generator
Data Sheet, Literature number 5990-4136EN
Configuration Guide, Literature number 5990-4137EN

Web Resources
For additional product information, visit: www.keysight.com/find/psg
For accessory information, visit: www.keysight.com/find/accessories
www.keysight.com/find/E8257D

40

Confidently Covered by Keysight Services
Prevent delays caused by technical questions, or system downtimes due to instrument maintenanceand repairs with Keysight Services. Keysight Services are here to support your test needs with expert
technical support, instrument repair and calibration, software support, training, alternative acquisition
program options, and more.
A KeysightCare agreement provides dedicated, proactive support through a single point of contact for
instruments, software, and solutions. KeysightCare covers an extensive group of instruments,
application software, and solutions and ensures optimal uptime, faster response, faster access to experts,
and faster resolution.

Keysight Services
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KeysightCare provides elevated support for Keysight instruments and software, withaccess to technical support experts that respond within a specified time and ensurecommitted repair and calibration turnaround times (TAT). KeysightCare offers
multiple service agreement tiers, including KeysightCare Assured, Enhanced, andApplication Software Support. See the KeysightCare data sheet for details.

KeysightCare Assured

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committed TAT and unlimited access to technical experts.

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41

Recommended Services
Maximize your test system up-time by securing technical support, repair, and calibration services withcommitted response and turnaround times. 1-year KeysightCare Assured is included in every new
instrument purchase. Obtain multi-year KeysightCare upfront to eliminate the need for lengthy andtedious paperwork and yearly requests for maintenance budget. Plus, you benefit from secured service
for 2, 3, or 5 years.

Service

Function

KeysightCare Enhanced*

Includes Tech Support, Warranty and Calibration

R-55B-001-1

KeysightCare Enhanced – Upgrade 1 year

R-55B-001-2

KeysightCare Enhanced – Extend to 2 years

R-55B-001-3

KeysightCare Enhanced – Extend to 3 years (Recommended)

R-55B-001-5

KeysightCare Enhanced – Extend to 5 years (Recommended)

KeysightCare Assured

Includes Tech Support and Warranty

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R-55A-001-5

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Start-Up AssistancePS-S10Included – instrument fundamentals and operations starter

PS-S20

Optional, technology & measurement science standard learning* Available in select countries. For details, please view the datasheet. R-55B-001-2/3/5 must be ordered with R-55B-001-1.

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This information is subject to change without notice.© Keysight Technologies, 2017 - 2024,
Published in USA, January 8, 2024, 5989-0698EN