HP 8566B Adjustment Manual page 295

Spectrum analyzer performance tests and adjustments manua
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Set the RF Section LINE switch to STANDBY. Disconnect the
11.
frequency counter from AlOA5J4 SCAN I.1 MHz OUT. Reinstall
reconnect the cable 7 (violet) to AlOA5J4 SCAN I.1 MHz OUT.
12.
Set the RF Section LINE switch to ON, and key in (jZZ@,
10 MHz,
(
-
TRACE A
CLEAR
WRITE
Connect the DVM to AlOA8TP5 VCO TUNE.
13.
Adjust AlOA5R2 150 MHz adjustment for a DVM reading of +3.00
14.
15.
Connect the DVM to AlOA6TP7 PHASE DET OUT, located on the
cover of the AlOA6 PLL2 Phase Detector Assembly.
16.
Press SWEEP ICONT). Adjust AlOA8R9 .3 MHz adjustment for a
DVM indication of + 3.50 f 0.05 Vdc.
17.
On the RF Section, key in
The CRT annotation will round off to 8.60 MHz, but
actually set to a start frequency of 8.599 MHz.
18.
Connect the DVM to AlOA8TP5 VCO TUNE.
19.
Adjust AlOA5R4 100 MHz adjustment for a DVM indication of
+ 15.00 f 0.05 Vdc.
Connect the DVM to AlOA6TP7 PHASE DET OUT.
20.
21.
Adjust AlOA8R41 .2 MHz adjustment for a DVM indication of 3.50
22.
Repeat steps 12 through 21 as necessary until no further
adjustment is required.
23.
On
the
RF Section, connect the front-panel CAL OUTPUT signal to
the RF INPUT.
24.
On the RF Section, key in
95.5 MHz, SWEEP
25.
Adjust AlOA8R27 5 MHz SCAN to center the 100 MHz CAL
OUTPUT signal on the center graticule line. Refer to Figure 3-79
for the location of AlOA8R27 5 MHz SCAN adjustment.
26.
On the RF Section, key in
[
99.55 MHz,
SWEEP TIME
27.
Adjust AlOA8R25 .5 MHz SCAN to center the 100 MHz CAL
OUTPUT signal on the center graticule line. Refer to Figure 3-79
for the location of AlOA8R25 .5 MHz SCAN adjustment.
17. 20/30 Loop Phase Lock Adjustments
(
8.600 MHz, SWEEP @KKK),
START
).
(
8.599 MHz, SWEEP
START
(
-
).
CLEAR
WRITE
100.5 MHz,
100 ms.
SWEEP
100.05 MHz,
]
500 msec.
the
RF Section is
(
START
(
START
Adjustments 3-l 55

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