TB 9-4931-523-35
Table 1. Minimum Specifications of Equipment Required - Continued
Manufacturer and model (part
Common name
Minimum use specifications
Number)
Weinschel, Model 1870A
POWER SPLITTER
Frequency range: 10 MHz to 18 GHz
(7916839)
Insertion loss: 6 dB -0.2 + 1.5 dB
Output tracking between ports:
10 MHz to 2 GHz: 0.15 dB
2 to 8 GHz: 0.2 dB
8 to 18 GHz: 0.25 dB
RECEIVER SYSTEM
Frequency range: 10 MHz to 18 GHz
Weinschel, Model VM4A
Attenuation range: 0.0 to 100 dB
(VM4A)
Accuracy: 0.02 dB/10 dB
SIGNAL GENERATOR NO. 1
Frequency range: 0.01 to 40 GHz4
Wiltron/Anritsu, Model
Power output: +8 dBm, 1dB
68369NV (68369NV)
Flatness: 10 to 50 MHz: 2 dB
.05 to 18 GHz: 0.8 dB
SIGNAL GENERATOR NO. 2
Frequency range: 0.01 to 18 GHz
Wiltron/Anritsu, Model 68347M
Power output: +11 dBm, 1dB
(68347M)
Flatness: 10 to 50 MHz: 2 dB
.05 to 18 GHz: 0.8 dB
1Part
of microwave standards kit, 18 to 26.5 GHz (secondary reference).
2Accessories
included.
3Part of microwave standards kit, 26.5 to 40 GHz, limited deployed (secondary reference).
4Not calibrated above 18 GHz.
6. Preliminary Instructions
process. Personnel should become familiar with the entire bulletin before beginning the
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 1.
attenuators from 10 MHz to 40 GHz.
d. Attenuators with specifications below 10 MHz should use the techniques presented
in TB 9-6625-2181-35.
