3. Set the HP
8566A/B
controls as follows:
REFERENCE LEVEL
.........................................
j-10
dBm
CENTERFREQUENCY.......................................
10.7MHz
SPAN............................................................ OHz
RESOLUTION BANDWIDTH
...................................
300 kHz
VIDEO BANDWIDTH.......................................... 300kHz
SWEEP TIME
...................................................
..4.5
s
TRIGGER.......................................................
Single
4. On the HP
8566A/B
press (SHIFT), (trace A blank) to set detector to SAMPLE mode.
5. On the spectrum analyzer, press
[m)
and set the controls as follows:
CENTER FREQ
.............................................
..300MH
z
SPAN
........................................................... .2 MHz
6. On the spectrum analyzer, press (TRIG), SINGLE, (CAL).
7.
Simultaneously press
(e)
on the HP
8566A/B
and ADJ CURR IF STATE on the
spectrum analyzer. The IF signature is displayed on the HP 8566A/B display.
8. Compare the IF signature to the signature of a properly operating spectrum analyzer
illustrated in Figure 8-3. If the signatures do not closely resemble each other, a more
detailed view of the signature may show the failed hardware.
a. Set the HP 8566A/B controls as follows:
Sweep Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..O.~S
dB/DIV. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 dB
b. Simultaneously press
I=)
on the HP 8566A/B and
AD3
CURR IF STATE on the
spectrum analyzer. Figure 8-4 through Figure 8-8 illustrate detailed IF signatures of a
properly operating HP 8560A.
9. Reconnect W27 (coax 3) to
A5J5.
8-24 IF Section
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