TB 9-4931-523-35
APPENDIX A
TEST INSTRUMENT IDENTIFICATION
Nominal
Insertion loss at
0 dB
Accuracy
range
(dB)
Manufacturer
(dB)
Model number
(dB)
(GHz)1
3750A
Hewlett-
0 to 99
Dc to 0.1
Packard (75Ω)
0.05
≤0.1
0.1
≤0.04
Units
0.1
Cumulative
DC to 0.1
Tens
0.2
0 to 79
0.55
0 to 89
1.0
2.0
0 to 99
389-10
Midwest
10
DC to 18
0.5
Mwave
389-3
Midwest
3
DC to 18
0.3
Mwave
3M
Weinschel
1 to 10
DC to 12.4
0.3
20
0.5
30 and 40
0.75
1.0
50 and 60
4108-10DB
ITT Electronics
10
DC to 8
0.5
4108-20DB
ITT Electronics
20
DC to 8
0.5
4108-3DB
ITT Electronics
3
DC to 8
0.5
4108-6DB
ITT Electronics
6
DC to 8
0.5
432D
Kay Elemetrics
0 to 1013
DC to 1
DC to 0.25
0.6
≤0.1
0.25 to 0.5
1.2
≤0.2
0.5 to 1
2.0
≤0.6
44-20
Weinschel
20
DC to 18
0.5
44-30
Weinschel
30
DC to 18
1.0
44-6
Weinschel
6
DC to 18
0.3
44-60
Weinschel
60
DC to 18
1.5
442D
Kay
DC to 1
0 to 101
3
Elemetrics3
DC to 0.25
1.0
<.1
(75Ω)
0.25 to 0.5
1.2
<.
0.5 to 1
2.0
<.4
464A (MIS-
Kay Elemetrics
See RLC Electronics A2648B
10263)
467A
Kay Elemetrics
0 to 12
DC to 1.5
<0.05dB/100
MHz
DC to 1
0.3
1 to 1.5
0.5
49-20-33
Weinschel
20
DC to 8.5
DC to 4
0.4
0.7
4 to 8.5
50-1
Weinschel
1
DC to 3.0
0.2
50-10
Weinschel
10
DC to 3.0
0.2
50-2
Weinschel
2
DC to 3.0
0.2
See footnotes at end of table.
CHANGE 1