TB 9-4931-523-35
APPENDIX A
TEST INSTRUMENT IDENTIFICATION
Nominal
Insertion loss at
Accuracy
0 dB
Model number
Manufacturer
(dB)
range
(dB)
(dB)
(GHz)
1
20-0
Kay Elemetrics
0 to 41
DC to 0.5
≤0.1
DC to 0.25
0.5
≤0.2
0.25 to 0.5
1.2
20-20
Weinschel
20
DC to 18
0.5
219-10
Midwest
10
DC to 18
0.5
Mwave
219-20
Midwest
20
DC to 18
0.5
Mwave
219-3
Midwest
3
DC to 18
0.3
Mwave
219-6
Midwest
6
DC to 18
0.3
Mwave
≤ -(0.5 + 0.14
2701
Tektronix
0 to 79
DC to 1
dB/100 MHz)
Units error
+0.1 to -0.5
Max error
+0.1 to -0.7
1
0.01 to 1
+0.31 to -0.71
2
+032 to -0.72
4
+033 to -1.02
8
+0.36 to -1.34
10
0.58
20
0.66
30
0.74
40
0.92
2936 (7913175)
Narda
5 to 90
.95 to 1.25
9.0
5 to 20
0.5
20 to 40
0.3
40 to 70
0.5
0.75
70 to 90
30-0
Kay Elemetrics
DC to 0.5
0 to 1013
≤0.10
DC to 0.25
1.0
≤0.20
0.25 to 0.5
2.0
Kay Elemetrics
See 30-0
32-0
Kay Elemetrics
See 30-0
<.20 dB+2.30
355C2
Hewlett-
0 to 12
DC to 1
Packard
dB/GHz
0.0001
0.1
DC to 0.5
0.25
0.5 to 1
0.35
355D2
Hewlett-
DC to 1
<.20 dB+2.30
0 to 1203
Packard
dB/GHz
0.0001
0.3
0 to 90
< 1GHz
1.5
< 1GHz
3.0
90 to 1203
See footnotes at end of table.
