HP 4934A User Manual

4 Set the Impulse Noise LOW (SET) threshold to 43 dBm.
5 Start the measurement by pressing START RESET; the displayed count should
remain at zero.
6 Slowly increase the AC Calibrator output level until the HP 4934A starts
counting; the AC Calibrator level should be less than 3.456 mV.
7 Press STOP to stop the low threshold check.
Mid Threshold Check
8 Set the AC Calibrator output level to 2.745 mV.
9 Select the Mid threshold using the HP 4934A Impulse Noise DISPLAY key.
10 Press START RESET to start the measurement; the displayed count should
remain at zero.
11 Slowly increase the AC Calibrator output level until the HP 4934A starts
counting; the AC Calibrator level should be less than 5.477 mV.
12 Press STOP to stop the Mid threshold check.
High Threshold Check
13 Set the AC Calibrator output level to 5.477 mV.
14 Select the HIGH threshold using the HP 4934A Impulse Noise DISPLAY key.
15 Press the START RESET key; the displayed count should remain at zero.
16 Slowly increase the AC Calibrator output level until the HP 4934A starts
counting; the AC Calibrator level should be less than 6.895 mV.
17 Press STOP to stop the high threshold check.
18 Repeat the above procedure for each of the LOW (SET) threshold settings listed
in the following table:
HP 4934A
Settings
Low Check
Mid Check
High Check
Low (SET)
Threshold
Min
Max Min
Max
Min Max
60 dBm
15.455 mV 19.457 mV
24.495 mV 30.837 mV
38.822 mV 48.874 mV
80 dBm
0.1546 V
0.1946 V
0.2449 V 0.3084 V
0.3882 V 0.4887 V
100 dBm 1.5455 V
1.9457 V
2.4495 V
3.0837 V
3.8822 V
4.8874 V
5-40 Performance Tests

HP 4934A Specifications

General

Brand	HP
Model	4934A
Category	Measuring Instruments
Language	English