HP HP 8566B, Руководство по настройке

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16. Loop Adjustments
48. On the second spectrum analyzer, key in
(
ENTER
2
3 MHz, MARKER (
PEAK SEARCH
] to position a
marker on the peak of the displayed 30 MHz fundamental signal.
Adjust
IF GAIN for an IF OUT power level (the 30 MHz
fundamental signal) of
If IF GAIN does not have sufficient adjustment range,
change the value of factory-select component An increase
in the value of will increase the IF OUT power level at
Al IF OUT. Refer to Table 3-3 for the acceptable range of values
for and to Table 3-4 for HP part numbers. See Figure 3-73
for
the
location of
49. On the second spectrum analyzer, press TRACE A
TRACE B
(
CLEAR
-
WRITE
].
50. On the synthesized sweeper, key in to set the
CW RES to 0.001 MHz. Then, use the ENTRY knob to gradually
tune the synthesized sweeper up and down from the frequency
set in step 41, tuning the IF OUT fundamental (displayed on the
second spectrum analyzer) from 5 MHz to 70 MHz as shown in
Figure 3-76.
Figure 3-76. Tuning the IF OUT Fundamental
5 1. On the second spectrum analyzer, press MARKER (NORMAL), and
use the DATA knob to verify the power level of the displayed
fundamental
over the frequency ranges listed in 3-11.
3-11. Power Level of Fundamental Signal
Freauencs Power Level
5 MHz to 20 MHz -3 level + 10 power
20 MHz to 30 MHz + 2 level + 6 power
30 MHz to 70 MHz -10 power level + 10
3-144 Adjustments