HP 8566B Adjustment Manual page 59

10. Frequency Response Test
1. Connect CAL OUTPUT to the RF INPUT on the spectrum analyzer.
2. Press C-J, (RECALL) @, MARKER
AMPTD CAL for a MARKER amplitude of -10.00 dBm f0.02 dB.
3. Press (-1 on the spectrum analyzer. Connect function
generator to analyzer RF INPUT as shown in Figure 2-14.
4. Key in analyzer settings as follows:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . kHz
5. Set function generator controls as follows:
RANGE Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 K
FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2,
OFFSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CAL
AMPLITUDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 V
AMPLITUDE VERNIER . . . . . . . . . . . . . . . . . . . . . . . . . midrange
SYM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CAL
TRIGGER PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . FREE RUN
MODULATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . all out
MODULATION RANGE Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
MODULATION RANGE Hz VERNIER . . . . . . . . 10 o'clock
MODULATION SYM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CAL
Percent Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..fullycw
6. Adjust function generator FREQUENCY to place generator signal
near the center graticule on the analyzer display.
7. Adjust the AMPLITUDE VERNIER on the function generator until
the peak of the generator signal is at the reference level line on
the analyzer display.
[
8. Press LOG
ENTER
division.
9. Adjust function generator AMPLITUDE VERNIER to place peak of
generator signal 2 dB (2 divisions) down from the reference level.
Do not readjust AMPLITUDE VERNIER during test.
10. Adjust FREQUENCY on the function generator to position the
signal trace at the right edge of the analyzer display.,
11. Press TRACE A (MAX]. Press MODULATION SWP on
the function generator. When function generator completes
one sweep, press TRACE A (VIEW). Trace should appear as in
Figure 2-15.
( ],
and adjust
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