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