TB 9-4931-534-35
Table 1. Minimum Specifications of Equipment Required - Continued
Common name
Minimum use specifications
Manufacturer and model
(part 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.l 5 dB
2 to 8 GHz: 0.2 dB
8 to 18 GHz: 0.25 dB
RECEIVER SYSTEM
Weinschel, Model VM4A
(VM4A)
Accuracy: 0.02 dB/10 dB
(SG-1219/U)
Frequency range: 2 to 18 GHz
Power output: +3 to +8 dBm
Accuracy: 2 dB
Wiltron, Model 68369NV
Frequency range: 10 MHz to 40 GHz
SYNTHESIZED
Accuracy: 0.5%
(68369NV)
Power output: at least 0 dBm
Frequency range: 10 MHz to 2 GHz
VSWR BRIDGE NO. 1
Wiltron, Model 60NF50
(7916686)
Frequency range: 2 to 18 GHz
Wiltron, Model 87A50-1
VSWR BRIDGE NO. 2
(7916685)
Part of microwave standards kit, 18 to 26.5 GHz, limited deployed item (Secondary Reference).
1
Two each required.
2
3Part of microwave standards kit, 26.5 to 40 GHz, limited deployed item (Secondary Reference).
4Accessories included.
6. Preliminary
Instructions
a. Instructions outlined in
paragraphs 6 and
7 are preparatory to the
calibration
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
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Additional maintenance information is contained in the manufacturer's manual for this TI.
d. Unless otherwise specified, all controls and control settings refer to the TI.
a. Refer to TI as
listed in
Appendix A and
evaluate TI
for connector type and
parameters. Determine and record at least 10 equally spaced frequency test points.