Technical Specifications, continued

M9168E

Specifications

Frequency range

DC to 50 GHz

Attenuation resolution

1 dB step

Repeatability

0.03 dB

Lifecycle

5 million life cycles per section

Insertion loss (at 0 dB)

DC to 6 GHz: 2.5 dB

6 GHz to 18 GHz: 4.0 dB

18 GHz to 26.5 GHz: 5.0 dB

26.5 to 50 GHz: 6.5 dB

Return loss (VSWR)

DC to 18 GHz: 15.5 dB (1.40)

18 to 26.5 GHz: 9.0 dB (2.10)

26.5 to 40 GHz: 7.0 dB (2.61)

40 to 50 GHz: 4.0 dB (4.42)

Maximum input power

1 W (+30 dBm) average 50 W peak (10 µs max)

Maximum reverse power

1 W (+30 dBm) average 50 W peak (10 µs max)

Switching speed

20 ms

RF connector

2.4 mm (f), SMA compatible

Connector compatibility

cPCI, PXI-H, PXI-1

Attenuation accuracy

Specified across operating frequency of 0 to 50 °C

Attenuation setting for step ranges (dB)

DC to 18 GHz

18 to 26.5 GHz

26.5 to 40 GHz

40 to 50 GHz

1 to 2

0.35

0.40

0.69

0.97

3 to 6

0.55

0.70

0.97

1.23

7 to 10

0.70

0.80

1.21

1.62

11 to 20

1.20

1.40

1.87

2.34

21 to 40

1.40

1.60

2.09

2.58

41 to 60

1.90

2.50

3.36

4.22

61 to 80

2.50

2.70

3.59

4.48

81 to 101

3.70

4.00

4.46

4.91

Power requirements

Power consumption from the backplane supply is as follows:

Voltage

+3.3 V

+5.0 V

–12.0 V

+12.0 V

Current

0.5 A (typical 0.2 A)

5.8 A (typical 5.5 A)

0 V

0.37 A (typical 0.34 A)

06 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet