06 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Technical Specifications, continued
M9168E
Specifications
Frequency range
Attenuation resolution
Repeatability
DC to 50 GHz
1 dB step
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
Maximum reverse power
Switching speed
1 W (+30 dBm) average 50 W peak (10 µs max)
1 W (+30 dBm) average 50 W peak (10 µs max)
20 ms
RF connector
2.4 mm (f), SMA compatible
cPCI, PXI-H, PXI-1
Connector compatibility
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
0.40
26.5 to 40 GHz
0.69
40 to 50 GHz
0.97
1 to 2
0.35
0.55
0.70
1.20
1.40
1.90
2.50
3.70
3 to 6
0.70
0.97
1.23
7 to 10
0.80
1.21
1.62
11 to 20
21 to 40
41 to 60
61 to 80
81 to 101
1.40
1.87
2.34
1.60
2.09
2.58
2.50
3.36
4.22
2.70
3.59
4.48
4.00
4.46
4.91
Power requirements
Power consumption from the backplane supply is as follows:
Voltage
Current
+3.3 V
+5.0 V
–12.0 V
0 V
+12.0 V
0.5 A (typical 0.2 A)
5.8 A (typical 5.5 A)
0.37 A (typical 0.34 A)
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