HP 4934A User Manual

Transmitter Hold Circuit
3 Connect the DC Voltmeter across points A and B shown in the previous figure.
4 Adjust the DC Power Supply output level until a 48 V reading is obtained on the
DC Voltmeter.
5 Connect the DC Voltmeter across points C and D shown in the previous figure and
note the reading.
6 Calculate the hold current as follows:
Hold Current = (Voltage noted in step 5)-^100
The specification of the hold current is nominally 26 mA.
7 Switch off the DC Power Supply.
8 Reverse the polarity of the connections to the DC Power Supply.
9 Switch on the DC Power Supply.
10 Repeat steps 5 to 7.
Receiver Hold Circuit
11 Press REVERSE.
12 Repeat steps 5 to 10.
5-12 Performance Tests

HP 4934A Specifications

General

Brand	HP
Model	4934A
Category	Measuring Instruments
Language	English