Agilent Technologies 8590L Service Manual page 152

4. Press
Log Fidelity
5. Set the power sensor cal factor for 818 MHz on the measuring
6. On the synthesized sweeper, press POWER LEVEL and adjust the
7. Record the measuring receiver power reading in
8. Adjust the output amplitude of the sweeper for analyzer marker
9. Record the measuring receiver power readings in
Table 2-10 Log Fidelity
Analyzer
Marker Reading
(dBm)
−9
−14
−19
Frequency Response Input Attenuator 10 dB
10.Set the frequency of the analyzer to the first measurement frequency
11.On the synthesized sweeper, press CW and set the frequency to the
12.On the analyzer, press
Chapter 2
on the analyzer and wait for the preset to finish, then
PRESET
press the following analyzer keys.
, 818,
FREQUENCY
, 400,
SPAN kHz
, 100,
BW kHz
VID BW AUTO MAN
−dBm
, 4,
AMPLITUDE
, 10,
ATTEN AUTO MAN
PEAK SEARCH
receiver.
output amplitude so that the analyzer marker amplitude reads
−9 dBm ±0.05 dB.
amplitude readings of −14 dBm and −19 dBm.
readings should be within the limits shown.
Min(dBm)
−9.7
−14.7
−19.7
shown in Table 2-11.
same measurement frequency as the analyzer is set in the previous
step.
25. Checking the Absolute Amplitude Accuracy for Option 050
MHz
, 30,
kHz
dB
Measuring Receiver
Reading (dBm)
_________________
_________________
_________________
.
PEAK SEARCH
Making Adjustments
Table 2-10.
Table 2-10. The
Max(dBm)
−8.3
−13.3
−21.3
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