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HP 81130A/’31A Performance Test
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The following figure provides a schematic and a parts list except
for the case. The case must provide shielding and maintain
grounding integrity.
50 Ohm, 0.1%, 10 W Feedthrough Termination
The following parts are required:
1. R1 = 53.6
Ω
, 1%, 10 W; HP Part Number: 0699-0146.
2. R2 = 200
Ω
, 10%, 0.5 W, Variable trimmer; HP Part Number:
100-3350.
3. R3 = 681
Ω
;, 1%, 0.5 W; HP Part Number: 0757-0816.
4. BNC (M): HP Part Number: 1250-0045.
5. BNC (F): HP Part Number: 1250-0083.