HP3325A
SYNTHESIZER/
FUNCTION
GENERATOR
TIMEBASE
IN
UNIVERSAL COUNTER
TIMEBASE
OUT
.................
.==
..
ooooo
0
00000
I
T820-L2
Figure
5-6.
Channel
A
Sensitivily Adjust Setup
Equipment:
........................
Function Generator HP 3325A
Procedure:
1.
Set the function generator as follows:
Frequency
.........................................
1
MHz
Function
........................................ Sine Wave
Amplitude
........................................ 8 mV rms
2. Set the
5334B as follows:
FUNCTION
................................
FREQ
A
SENS (blue key)
..............................
ON
................
CHAN A SENS Control MAX
INPUT A
50a
.................................
ON
GATE TIME
...................................
1
Second
3. Adjust
AIR58 (A VOS) to the mid-range position, and adjust
AIR132 to the fully counterclockwise position. AIR132 is set to
maximum sensitivity for Channel A
in
this position.
4.
Connect the function generator signal to the 5334B Input A. Con-
nect Time Base as shown in
Figure
5-6.
5.
Adjust
AIR58 (A VOS) for a 5334B front panel display of
1.000 000
00
MHz
+
0.06
Hz.
6.
Decrement the function generator signal amplitude by
1
mV rms
and
repeat step 5.
HP
5334B
-
Service Manual
5-10