Channel C (Option 030) - HP 5334B Service Manual

6. Rotate Channel B trigger level control.
Observe: There is no effect on the Counter's operation.
7. Set AUTO TRIG to OFF. Rotate Channel B trigger level control.
Observe: Extreme clockwise and counterclockwise control settings will stop the gating and update of the
Counter. Trigger light stops flashing.
Test Record: Mark Pass or Fail on the Operational Verification Test Record Card, line 7.
What Checked: Control lines and DAC circuitry.
For Failures: Refer to Section VIII of this manual. The test involves all of the functional blocks: the Input
Amplifier, DAC, Measurement, Executive, Front Panel, and Time BaseIPower Supply blocks.
4-23. CHANNEL C (Option 030)
This operational check is for HP 5334B7s containing Option 030.
Description: The Channel C option is checked by simply measuring a frequency within its range of 90 MHz to
1300
MHz.
Equipment: A signal source capable of outputting some frequency from 90 MHz to 1300 MHz.
Procedure:
1. Set the signal source as follows:
Frequency
...............................................................................................................
90 to 1300 MHz
Amplitude
..............................................................................................................
300 mV rms (
+
2.5 dBm)
2. Set the HP 5334B
as follows:
Reinitialize the 5334B.
...........................................................................................................
FUNCTION FREQ C
3. Connect the signal source to the HP 5334B Input C.
4.
Adjust the Channel C Sensitivity control as needed to cause the Counter to gate and display a stable reading.
Observe: The HP 5334B front panel displays the generated frequency.
Test Record: Mark Pass or Fail on the Operational Verification Test Record Card, line
11.
What Checked: Basic operation of the Channel C option.
For Failures: Refer to Section VIII of this manual. The Channel C, Measurement, Executive, and Front Panel
blocks are involved here.
HP 5334B
-
Service Manual
4-10