HP 4934A User Manual

2 S et the HP 4934A as follows:
Measurement : NOISE
Filter : C-MSG
Display Mode :RCV
Receiver (RCV) Impedance :600n
3 Set the AC Calibrator output level to 2.1831 V at 1000 Hz then switch on the
OUTPUT.
4 Set the Decade Transformer to 1.0000000.
5 Check the message circuit noise reading on the HP 4934A is between 98 and 100
dBm.
6 Set the AC Calibrator output level to 0.7746 V.
7 Check the reading on the HP 4934A is between 89 and 91 dBm.
8 Set the Decade Transformer to each of the settings listed in the following table
and check the HP 4934A noise reading.
Decade Transformer Settings (dB)
HP 4934A Noise Reading
0.3162278 (-10) 79 to 81 dBm
0.1000000 (-20)
69 to 71 dBm
0.0316228 (-30) 59 to 61 dBm
0.0X00000 (-40) 49 to 51 dBm
0.0031623 (-50)
39 to 41 dBm
0.0010000 (-60) 29 to 31 dBm
0.0003162 (-70)
19 to 21 dBm
0.0001000 (-80)
9 to 11 dBm
0,0000562 (-85)
2 to 8 dBm
Performance Tests 5-35

HP 4934A Specifications

General

Brand	HP
Model	4934A
Category	Measuring Instruments
Language	English