SHF Communication Technologies AG
Wilhelm-von-Siemens-Str. 23D • 12277 Berlin • Germany
Phone +49 30 772 051-0 • Fax +49 30 753 10 78
E-Mail: sales@shf-communication.com • Web: www.shf-communication.com

Datasheet
SHF M827 B
Ultra-Broadband Amplifier

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 1/17

Description
The SHF M827 B is a RoHS compliant ultra-broadband RF amplifier with a small footprint and a bandwidthof more than 66 GHz. The Option 1.0 mm offers a guaranteed 3 dB bandwidth of 70 GHz.
A single stage amplifier design is employed using our monolithic microwave integrated circuit (MMIC) insidespecial carriers to achieve the ultra-wide bandwidth and the low noise performance.
This extreme bandwidth offers the capability to amplify binary signals of more than 100 Gbps while theperfect linearity enables this amplifier to drive modulators and lasers for PAM, optical QAM, OFDM andanalog signals.

Ease of Use
Only a single 6 V supply is needed for operation.
Upon delivery, the amplifier is already set to deliver maximum gain and 50% crossing. For operation underthese conditions the appropriate pins can be left floating. However, in case gain and crossing shall bemodified, this can be done just by applying another bias.

Applications


Optical Communications

High-Speed Pulse ExperimentsSatellite Communications



Research and Development

Antenna MeasurementsData Transmission

Available Options
01: DC return on input (max. ±1.75 V, max. 35 mA)

1

02: Built-in bias tee on input (max. ±9 V, max. 200 mA)
03: DC return on output (max. ±1.75 V, max. 35 mA)

1

1

04: Built-in bias tee on output (max. ±9 V, max. 200 mA)

1

MP: Matches the phase of two amplifiers
1.0 mm: 1.0 mm connectors, guaranteed amplifier bandwidth 70 GHz

1Only one of the options 01 - 04 is available.
If an option is chosen, the maximum gain and the maximum output power might be reduced by up to 1 dB. The low frequency 3 dB Point might beincreased up to 75 kHz. The DC resistance of an bias tee is about 6 Ω.

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 2/17

Specifications - SHF M827 BParameter

UnitSymbolMaximum RF Input

dBmVPin max

DC Voltage at RF Input

MinTypMaxConditions

Absolute Maximum Ratings
102peak to peak voltage

V±9

AC coupled input

DC Voltage at RF Output

V±9

AC coupled output

Positive Supply Voltage

V

5.8

67.0

typ. 0.2 A2, reverse voltage protected

Gain Control Voltage

V-6-5…0+6will not exceed 0.02 A

Crossing Control Voltage

V-6-5…+5+6will not exceed 0.02 A

Case Temperature

Tcase

1030502°C

At startup the amplifier draws significantly more current.

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 3/17

Parameter

Unit

SymbolMin

TypMax

Conditions

Electrical Characteristics (At 30°C case temperature, unless otherwise specified)High Frequency 3 dB Point

GHz

fHIGH

66

High Frequency 3 dB Point

GHz

fHIGH

70

Low Frequency 3 dB Point

kHzfLOW

GaindB

S21

1011Output Power at 1 dB
CompressiondBm
VP01dB

11.5
2.2

122.5

10 MHz…30 GHz

Output Power at 2 dB
CompressiondBm
VP02dB

143.2

153.5

10 MHz…30 GHz

Output Power at 3 dB
CompressiondBm
VP03dB

15.5
3.7

16410 MHz…30 GHz

Input ReflectiondB

S11-9-3< 35 GHz

Output ReflectiondB

S22-10-5< 30 GHz

Rise Time/Fall Time

ps

tr/tf

Option 1.0 mm

70
invertingmeasured at Pin=-20 dBm @ 500 MHz

peak to peak voltage

peak to peak voltage

peak to peak voltage< 65 GHz< 65 GHz
20%...80%

JitterfsGroup Delay Ripple

psPower Consumption

W34JRMS350
450

0.8610Deconvoluted 3, 4500
600

Deconvoluted 3, 4±50500 MHz…40 GHz, 160 MHz aperture

Full Setup 3

Full Setup 3

VDD = 6 V / IDD = 0.14A

Measured with SHF 613 A DAC (at full scale) -> DUT (SHF M827 B) -> Agilent 86100C with 70 GHz sampling head & precision time base.
Calculation based on typical results of setup without DUT :𝑡𝑟 𝑑𝑒𝑐𝑜𝑛𝑣𝑜𝑙𝑢𝑡𝑒𝑑 = √(𝑡𝑟 𝑓𝑢𝑙𝑙 𝑠𝑒𝑡𝑢𝑝 )2 − (𝑡𝑟 𝑠𝑒𝑡𝑢𝑝 𝑤/𝑜 𝐷𝑈𝑇 )2 = √(𝑡𝑟 𝑓𝑢𝑙𝑙 𝑠𝑒𝑡𝑢𝑝 )2 − (7 𝑝𝑠)22𝐽𝑅𝑀𝑆 𝑑𝑒𝑐𝑜𝑛𝑣𝑜𝑙𝑢𝑡𝑒𝑑 = √(𝐽𝑅𝑀𝑆 𝑓𝑢𝑙𝑙 𝑠𝑒𝑡𝑢𝑝 )2 − (𝐽𝑅𝑀𝑆 𝑠𝑒𝑡𝑢𝑝 𝑤/𝑜 𝐷𝑈𝑇 ) = √(𝐽𝑅𝑀𝑆 𝑓𝑢𝑙𝑙 𝑠𝑒𝑡𝑢𝑝 )2 − (300 𝑓𝑠)2SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 4/17

Parameter

UnitSymbol

MinTypMax

Conditions

Mechanical Characteristics
Input ConnectorΩ50

Output ConnectorΩ50

Dimensionsmm

Weightg

1.85 mm (V) female 5
1.0 mm female (Option 1.0 mm) 5
1.85 mm (V) male 5
1.0 mm male (Option 1.0 mm) 5
please see pages 14 to 16

2052

without heatsinkwith heatsink

5

Other gender configurations are available on request.

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 5/17

Typical S-Parameters, Group Delay and Phase Response

Aperture of group delay measurement: 160 MHz

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 6/17

Typical Noise Figure
The measurement had been performed using a Spectum Analyzer Rhode & Schwarz FSW85.

1098Noise Figure [dB]76543210051015202530

35404550

Frequency [GHz]SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 7/17

Typical Binary Eye Diagrams
All measurements up to 56 Gbps had been performed using a SHF613 A DAC in binary mode and an
Agilent 86100C DCA with Precision Time Base Module (86107A) and 70 GHz Sampling Head (86118A).
Faster input signals had been taken from a SHF 603 A multiplexer. These will not be part of the inspection
report delivered with each particular device.

Input Signal @ 30 Gbps, Eye amp: 415 mV

Output Signal @ 30 Gbps, Eye amp: 1.44 V

Input Signal @ 56 Gbps, Eye amp: 394 mV

Output Signal @ 56 Gbps, Eye amp: 1.45 V

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 8/17

Input Signal @ 80 Gbps, Eye amp: 408 mV

Output Signal @ 80 Gbps, Eye amp: 1.47 V

Input Signal @ 100 Gbps, Eye amp: 374 mV

Output Signal @ 100 Gbps, Eye amp: 1.3 V

Input Signal @ 110 Gbps, Eye amp: 357 mV

Output Signal @ 110 Gbps, Eye amp: 1.23 V

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 9/17

Typical 4-Level Eye Diagrams at 32 and 56 GBaud
The 32 GBaud measurements had been performed using a SHF 611 C DAC and an Agilent 86100C DCA withPrecision Time Base Module (86107A) and 70 GHz Sampling Head (86118A). Faster input signals had beentaken from a SHF 613 A DAC.
The measurement at 56 GBaud will be part of the inspection report delivered with each particular device.

Input Signal @ 32 GBaud, ~700 mVpp

Output Signal @ 32 GBaud, ~2.5 Vpp

Input Signal @ 56 GBaud, ~580 mVpp

Output Signal @ 56 GBaud, ~2.0 Vpp

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 10/17

Typical 4-Level Eye Diagrams at 60, 80 and 90 GBaud
The measurements below had been performed using a SHF 12104 A Bit Pattern Generator
31(PRBS 2 -1), a SHF 616 A PAM-MUX and a Tektronix DSA 8300 Digital Serial Analyzer (DSA) with Phase
Reference Module (82A04B-60G), 70 GHz Sampling Module (80E11), 60 mm semi-rigid cable between
M827 B and Sampling Module. The Amplifier was measured with 10 dB Attenuator between the output andthe Sampling Module.
Please note that the inspection report will not show these measurements.

Input Signal @ 60 GBaud, ~390 mVpp

Output Signal @ 60 GBaud, ~1.3 Vpp

Input Signal @ 80 GBaud, ~370 mVpp

Output Signal @ 80 GBaud, ~1.2 Vpp

Input Signal @ 90 GBaud, ~360 mVpp

Output Signal @ 90 GBaud, ~1.1 Vpp

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 11/17

Handling Instructions
To operate the amplifier a positive supply voltage of approximately +6 V must be applied.
The gain can be adjusted by applying a voltage of 0 to -5 V. If this pin is left open, the amplifier will havemaximum gain. By reducing the gain the crossing will shift. Typical characteristics are shown in the following
diagram for an input voltage of 0.65 V with 50% crossing.

0-2-4

Gain [dB]-6-8-10

Crossing
shift [%]

-12-140-1-2-3-4-5

Gain Control Voltage [V]Crossing [%]The crossing can be adjusted by applying a voltage of -5 to +5 V. If this pin is left open a crossing ofapproximately 50 % is achieved. The range depends on the input voltage. Typical characteristics are shown inthe following diagram for input voltages of 0.4, 0.65 and 1.0 V with 50% crossing.

706866646260
58
56
54
52
50
48
46
44
42
400.4 V
0.65 V
1.0 V-505Crossing Control Voltage [V]Note:

If both functions are used the effect of the gain control will decrease up to -1 dB. This is the typicalcharacteristic of a single stage amplifier.

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 12/17

Typical Low Frequency Response (<40 MHz)

Typical 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 M827 B - V005 – Jun 25, 2021

Page 13/17

Mechanical Drawing with Heat Sink
2xm5m
4xM

34

6.5

10.6
9.5

46

5.6nc1.72411dB

70kHz - 66GHz
P03dB: 16dBm

42123

SHF M827 B+6V
0.2A

6.6

Gain
0 ... -5V2Crossing-5V...+5V

10.1

10.5
20.4

55
30.4
20.4
10.5

27
14.4
10.6
9.5

5.6

All dimensions in mm
Pin assignment might change if a bias tee option is chosen.
For permanent mounting remove the heat sink from the amplifier. In order to separate the heat sink fromthe amplifier, remove the four screws on the heat sink.

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 14/17

Mechanical Drawing without Heat Sink
4x13.6m5m2xM

4.62

9.8
6.1
5202.27.1
171

1811dB

70kHz - 66GHz
P03dB: 16dBm

42123

ncSHF M827 B

Crossing-5V...+5V+6V
0.2A

Gain
0 ... -5V

514
9.6

4 3
52

4.6

13.1

2
6 7

4.72x M2 x 4mm

27177.1

9.8
6.1
52.2

Pos.
12
34
567Connector
Input
OutputGain control+6 V / 0.2 A
GND
crossing control
nc (optional)

All dimensions in mm
Pin assignment might change if a bias tee option is chosen.

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 15/17

Mechanical Drawing without Heat Sink Option 1.0 mm
4x13.6m5m2xM

4.62

9.8
6.1
520

2.2
7.1
1721184.6

11dB

nc4 35270kHz - 70GHz
P03dB: 16dBm

56699

Incl. Opt. 1.0 mm

SHF M827 B+6V0.2A

12.1

Gain
0 ... -5V

514Crossing-5V...+5V

126 7

4.72x M2 x 4mm

27177.1

9.8
6.1
52.2Pos.
1234567Connector
Input
OutputGain control+6 V / 0.2 A
GND
crossing control
nc (optional)

All dimensions in mm
Pin assignment might change if a bias tee option is chosen.

SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 16/17

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 5.8…7.0 V, 0.2 A DC power supply and can beconnected to the supply feed-through filter via an ON / OFF switch.
In case 6 V are applied to the amplifier typically 0.2 A are drawn during operation. However, theamplifier requires more current during start up. This is particularly important in case the current
compliance of a very fast acting voltage source is set too tight. As this can prevent the amplifier fromstarting properly, please allow up to 100% overhead for your current compliance during startup.

4.

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)!

5.

An input signal of about 1.6 Vpp will produce saturated output swing of about 4 Vpp. Higher input
voltages are leading to waveform degradation.

6.

The amplifier can only be used without damage by connecting a 50 Ohm precision load to the output.

7.

ATTENTION: At radio frequencies a capacitive load can be transformed to an inductive one throughtransmission lines! With an output stage driven into saturation this may lead to the immediate
destruction of the amplifier (within a few ps)!

8.

The input voltage should never be greater than 2 Vpp equivalent to 10 dBm input power.

9.

For the DC-connections flexible cable 0.2…0.5 mm / AWG 24…20 are recommended. A maximum
soldering temperature of 260 °C for 3 seconds is recommended for the feedthrough. The ground pin
requires significantly more heat as it is connected to the solid housing.

2SHF reserves the right to change specifications and design without notice – SHF M827 B - V005 – Jun 25, 2021

Page 17/17