HP 8566B Adjustment Manual page 231

20. On the spectrum analyzer, key in the following settings:
( E
CENTER FR QUENCY
FREQUENCY SPAN)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300 kHz
21. On the spectrum analyzer, press
DATA knob to position the signal peak near the reference level
(top graticule line).
22. On the spectrum analyzer, key in
and press Q) several times to position the second marker at the
leftmost graticule line.
23. Adjust A4A9R62 300 kHz for a MARKER A indication of -3.00 dB
f0.05 dB.
24. On the spectrum analyzer, press ch) several times to position
the second marker at the rightmost graticule line. Then, press
displayed signal for a MARKER A indication of -3.00 dB f0.05
25. On the spectrum analyzer, key in
MARKER (OFF), (
PEAK SEARCH
times to position the second marker at the leftmost graticule line.
26. Readjust A4A9R62 300 kHz for a MARKER A indication of -3.00
27. Repeat steps 24 through 26 as necessary until no further
adjustment is required.
The 100 kHz 3-dB bandwidth is set with factory-select components
increase the 100 kHz 3-dB bandwidth, increase the value of one or
more of these factory-select components. The 30 kHz 3-dB bandwidth
is set with factory-select components A4A8R26, A4A8R52, A4A4R20,
select components. Refer to 'Ihble 3-3 for the acceptable range of
values for A4A8R30, A4A8R55, A4A4R16, A4A4R60, A4A8R26,
part numbers.
28. On the spectrum analyzer, key in the following settings:
(
CENTER FREQUENCY
FREQUENCY SPAN]
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 kHz
29. On the spectrum analyzer, press
DATA knob to position the signal peak near the reference level
(top graticule line).
30. On the spectrum analyzer, key in
and press (JJJ several times to position the second marker at the
leftmost graticule line.
9. 3 dB Bandwidth Adjustments
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300
(
REFERENCE LEVEL
(
PEAK SEARCH
(
FREQUENCY
], MARKER a], and press (JIJ several
)
..................................... 100
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
[
REFERENCE LEVEL
(
PEAK SEARCH
100 MHz
]
and use the
],
MARKER [n],
300 kHz,
MHZ
)
and use the
],
MARKER (a,
Adjustments 3-91