TB 9-4931-523-24
APPENDIX A
TEST INSTRUMENT IDENTIFICATION - Continued
Insertion loss
Nominal
Accuracy
at 0 dB
Model number
Manufacturer
range
(dB)
(GHz)1
(dB)
(dB)
64A
Weinschel
0 to 64
DC to 2
≤0.4
1
≤0.5
2
Range A:
1 and 2
±0.7
3 to 3.9
Range B: 1 to 5
1 and 2
±0.12
Range B:
1 and 2
±0.15
6 to 10
Range C:
1 and 2
±0.15 for the
10 to 50
10dB step,
±0.1/10dB +0.1
for 20 to 50dB
step
≤0.5
711
Waveline
0 to 30
12.4 to 18
±0.5
≤0.5
749B
Narda
0 to 40
12.4 to 18
±0.3
757-10
Narda
10
1 to 12.4
±0.17
1
+0 to -1.1
2
+0 to -0.7
3
±1.0
7
+0.6 to -0.1
12.4
+1.3 to -0
757-20
Narda
20
1 to 12.4
±0.27
2
+0 to -1.2
3
±0.2
7
+1.3 to -0.2
12.4
+1.9 to -0
757-3
Narda
3
0.6 to 12.4
±0.17
1
+0 to -0.3
2
+0 to -0.2
3
1.0
7
+0.2 to -0.1
12.4
+0.5 to -0
757-6
Narda
6
1 to 12.4
±0.17
1
+0 to -0.6
2
+0 to -0.5
3
±0.1
7
+0.4 to -0.1
12.4
+0.7 to -0
757C10
Narda
10
DC to 12.4
DC to 6
±0.3
6 to 12.4
±0.5
757C20
Narda
20
DC to 12.4
DC to 6
±0.3
6 to 12.4
±0.5
See footnotes at end of table.
A-9
