HP HP 8566B, Adjustment Manual

Page: 230 / 405

9. 3 Bandwidth Adjustments
I F C O N T R O L
Figure 3-45. Location of 3 Bandwidth Adjustments
9. On the spectrum analyzer, key in
[
FREQUENCY SPAN
)
3
MHz,
MARKER
(OFF), (
PEAK
MARKER and press several
times to position the second marker at the leftmost graticule line.
10. Readjust 3 MHz for a MARKER A indication of -3.00
11. Repeat steps 8 through 10 as necessary until no further
adjustment is required.
12. On the spectrum analyzer, key in the following settings:
FREQUENCY
)
..................................... 100
MHZ
FREQUENCY
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MHz
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 MHz
13. On the spectrum analyzer, press
[
REFERENCE LEVEL
)
and use the
DATA knob to position the signal peak near the reference level
(top graticule line).
14. On the spectrum analyzer, key in
[
PEAK SEARCH
),
MARKER
and press several times to position the second marker at the
leftmost graticule line.
15. Adjust 1 MHz for a MARKER
A
indication of -3.00
16. On the spectrum analyzer, press several times to position
the second marker at the rightmost graticule line. Then, press
and use the DATA knob to adjust the centering of the
displayed signal for a MARKER
A
indication of -3.00 f0.05
17. On the spectrum analyzer, key in [
FREQUENCY SPAN
) 1 MHz,
MARKER
[
PEAK
MARKER la], and press several
times to position the second marker at the leftmost graticule line.
18. Readjust 1 MHz for a MARKER
A
indication of -3.00
19. Repeat steps 16 through 18 as necessary until no further
adjustment is required.
Adjustments