HP 8340B Manual page 225

5-3.
100 MHz VOLTAGE-CONTROLLED CRYSTAL OSCILLATOR (VCXO),
A30 (Cont'd)
2.
Set Spectrum Analyzer controls
as follows:
CENTER FREQ
REF LEVEL
. .
ATTEN
.......
LOG SCALE
. .
RES BW
.....
VBW
.....
.
FREQ SPAN
.
.
SWEEP TIME
. .
MARKER ENTRY
MARKER ENTRY
MARKER MODE
............
100
MHz
..............
3
dBm
............
+20
dB
............
1
dB/DIV
.........
..300
Hz
....... .....
300 Hz
..„....-
20 kHz
............
1
SEC
Press PEAK SEARCH
....
Press MKR
—
CF
Press SIGNAL TRACK
100 MHz OUTPUT ADJUSTMENT
3. On the
DUT, set
LINE
switch to
ON
and press
[INSTR
PRESET].
4.
At rear panel of the DUT, disconnect the 10
MHz
Frequency Standard cable at
the EXT FRE¬
QUENCY STANDARD
connector.
5.
Adjust the DC power supply
for —8.0V, connect the ground lead to ground and the negative lead
to A30TP1 (TUNE). Connect the DVM
to A30TP1 (TUNE) and verify that
TUNE measures
-8.0V
Re-adjust the
power supply
if
necessary.
BOTTOM VIEW
A30
A53
A53TP5
-10V -^
A30^
(Adj.
^-
locations
labeled
on
cover.)
M I
t^
^[
•V
N
-00
^
c
s
?
I
Figure 5-6. Location of
A30 100 MHz
VCXO
Adjustments
5-20 Adjustments
HP 8340B/41B