SHF Communication Technologies AGWilhelm-von-Siemens-Str. 23D • 12277 Berlin • Germany
Phone ++49 30 / 772 05 10 • Fax ++49 30 / 753 10 78
E-Mail: sales@shf.de • Web: http://www.shf.deDatasheet
SHF 807
Linear Broadband Amplifier

SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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Description
The SHF 807 is a linear modulator driver, optimized for amplification of multi-level and analog signals. Itis an ideal amplifier for optical QAM-16 or OFDM where very important features of an amplifier are ultrafast rise and fall time, zero ringing, broad band characteristic with Bessel roll-off, high linear output
power and high third order intercept point.
A two stage amplifier design is employed using proprietary monolithic microwave integrated circuits(MMICs) inside special carriers to achieve ultra wide bandwidth and low noise performance. An internal
voltage regulator makes the amplifier insensitive to reverse voltage and line ripple.

Available Options
01: DC return on input (max. ±1.75 V, max. 35 mA)
02: Built-in bias tee on input (max. ±9 V, max. 220 mA)
03: DC return on output (max. ±1.75 V, max. 35 mA)
04: Built-in bias tee on output (max. ±12 V, max. 220 mA)
MP: Matches the phase of two amplifiers

The options 01, 02, 03 and 04 cannot be combined.

SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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Specifications – SHF 807(At 40°C case temperature, unless otherwise stated)
Parameter

Unit

Symbol

MinTypHigh Frequency 3 dB PointGHzfHIGH

4045Low Frequency 3 dB Point

kHzfLOWGaindBS2123Gain Control Voltage

VUgc-5MaxConditions

65
non-inverting24

measured at -27 dBm input powerReduction by up to ~3 dB

0Igc <= 20 mA
If pin left open, max gain is achieved.
Adjustment by ± 4%,

Crossing Control Voltage

VUcc-55Icc <= 20 mA
If pin left open, ~50% is achieved.

ΔS21Gain Ripple

dB

Group Delay Rippleps

Max RF Input Voltage forLinear Operation

VVin linOutput Power at 1 dB
CompressiondBmVP01dB

164

16.54,210 MHz…30 GHz

Output Power at 2 dB
CompressiondBm
VP02dB

18518.5
5,310 MHz…30 GHz

Output Power at 3 dB
CompressiondBm
VP03dB

195,619.5
610 MHz…30 GHzdBm

IP328rd

3 Order Intercept Point±1±1.5±50

40 MHz…30 GHz, 100 MHz aperture

0.25

peak to peak voltage

peak to peak voltage

peak to peak voltage

peak to peak voltage

3 V ≤ Vout ≤ 4 V

Jitter

fs

JRMS

400
530

550
650

deconvoluted1,2 ,measured1

Input Return LossdB

S11-10-7< 40 GHz

Output Return LossdB

S22-10-7< 40 GHzMaximum Input PowerdBm

Vin max

410in operation

Rise Time/Fall Time

pstr/tf

without power supply
20%...80%, 3 V ≤ Vout ≤ 4 V123913.5

deconvoluted1,3,measured1

Measured with Agilent 86100A with 70 GHz sampling head and precision time base.
Calculation based on typical jitter of SHF BPG1:√
1

Calculation based on typical rise and fall time of SHF BPG :√√√SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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ParameterUnitSymbolMinTypMaxConditions

DC input voltage

V±9AC coupled input

DC output voltage

V±12AC coupled output

Supply Voltage

V9120.4 A, reverse voltage protected

Power Consumption

W3.6Case Temperature

Tcase°C109 V supply voltage

4050Input Connector

1.85mm (V) female

Output Connector

1.85mm (V) female

SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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S-Parameters, Group Delay and Phase Response

Aperture of group delay measurement: 100 MHzSHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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Binary Eye diagrams

Input Signal @ 32 Gbps, Eye amplitude: 227 mV

Output Signal @ 32 Gbps, Eye amplitude: 3.46 V

Input Signal @ 32 Gbps, Eye amplitude: 516 mV

Output Signal @ 32 Gbps, Eye amplitude: 5.92 V

SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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4-Level Eye diagrams

Input Signal @ 20 GBaud, 190mVpp

Output Signal @ 20 GBaud, 2.89 Vpp

Input Signal @ 28 GBaud, 187mVpp

Output Signal @ 28 GBaud, 2.84 Vpp

Input Signal @ 32 GBaud, 187mVpp

Output Signal @ 32 GBaud, 2.85 Vpp

SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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Low Frequency Response (<1 MHz)

Saturation power

Top (red): 3 dB compression;
Middle (green): 2 dB compression;
Bottom (blue): 1 dB compression

SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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4.9

35+9V
0.4A

12.37

4.9

16.5

4251

40

Right view12.9
16.35
18.7
23.5

724dB

Psat : 19dBm

Gain
0 ... -5 V

65kHz - 40GHzSHF AG Berlin

XXXXX

Crossing-5 V ... + 5 V

SHF 807ncTop view

79
12.37

16.35
18.7
23.5

Left view

42

16.5

Mechanical Drawing with Heat Sink

All dimensions in mm

59.1

143.6
136.9

18.8
37.5

Bottom view

M4 (2x)Pin assignment might change if a bias tee option is chosen.
Thermal resistance of heat sink approx. 1.6 K/W
For permanent mounting remove the heat sink from the amplifier. In that case please ensure thatadequate cooling of the amplifier is guaranteed. It is recommended to use thermal paste or a thermal
gap pad for the mounting. In order to separate the heat sink from the amplifier, remove the four screws
on the heat sink. Please note, thermal paste is used between the heat sink and the amplifier housing.
SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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4.8
9

12.37

13.5

10.6

12.37
7.15

4.9

16.5

42

4.8

Right view

7

Gain
0 ... -5 V

35+9V
0.4A

Psat : 19dBm

24dB

65kHz - 40GHzSHF AG Berlin

XXXXX

Crossing-5 V ... + 5 V

SHF 807nc

7Left view
Top view

7.15

4.942

16.5

Mechanical Drawing without Heat Sink

3151
48

332

Bottom view

M2.5x5 (4x)Pin assignment might change if a bias tee option is chosen.
Please ensure that adequate cooling of the amplifier is guaranteed.
SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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User Instructions
ATTENTION!
Electrostatic sensitive GaAs FET amplifier1.

To prevent damage through static charge build up, cables should be always discharged before
connecting them to the amplifier!

2.

Attach a 50 Ohm output load before supplying DC power to the amplifier!

3.

The supply voltage can be taken from any regular 9…12 V, 0.4 A DC power supply and can beconnected to the supply feed-through filter via an ON / OFF switch.

4.

The minimum supply voltage is 9 V. A higher one increases the power dissipation of the internal
voltage regulator.

5.

Using a 3 dB or 6 dB input attenuator will result in a 6 dB or 12 dB increase of the input return loss. For
minimal degradation of amplifier rise time, these attenuators should have a bandwidth specification ofgreater 50 GHz (V/ 1.85mm attenuators)!

6.

An input signal of about 0.7 Vpp equivalent to 0 dBm will produce saturated output swing of 6 Vpp.

7.

Higher input voltages will drive the amplifier’s output stage into saturation, leading to waveform peakclipping.

8.

Saturated output voltages can only be used without damage while the amplifier is connected to a 50
Ohm precision load with a VSWR of less than 1.2 or better than 20 dB return loss up to 40 GHz.

9.

While using a reflective load the output voltage has to be reduced to a safe operating level according
to the magnitudes of the reflections.
ATTENTION: At frequencies up to 50 GHz a capacitive load can be transformed to an inductive one
through transmission lines! With an output stage driven into saturation this may lead to the immediate
destruction of the amplifier (within a few ps)!

10. The input voltage should never be greater than 1 Vpp equivalent to 4 dBm input power.
The input voltage without DC power supplied to the amplifier should never be greater than 2 Vppequivalent to 10 dBm input power.

SHF reserves the right to change specifications and design without notice – SHF 807 - V005 – August, 2013

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