Agilent Technologies 8590 Series Service Manual page 154

Making Adjustments
25. Checking the Absolute Amplitude Accuracy for Option 050
13.On the synthesized sweeper, press
14.Set the power sensor cal factor (for frequency being measured) on
15.Repeat
Table 2-11 Frequency Response Attenuator 10 dB
Synthesized
Sweeper Frequency
(MHz)
818
836
881
948
Frequency Response Input Attenuator 20 dB
16.On the analyzer, press the following keys.
17.Set the
18.On the synthesized sweeper, press CW and set the frequency to the
19.On the analyzer, press
20.On the sweeper, press POWER LEVEL and adjust the amplitude so
21.Set the power sensor cal factor (for frequency being measured) on
22.Repeat
154
output amplitude so the analyzer marker amplitude reads −9 dBm
±0.05 dB.
the measuring receiver, then record the measuring receiver power
reading in Table 2-11.
step 10 to step 14
948 MHz. Record the results in
within the limits shown.
Min (dBm)
−9.7
−9.7
−9.7
−9.7
AMPLITUDE, ATTEN AUTO MAN
, 6,
AMPLITUDE +dBm
FREQUENCY
shown in Table 2-12.
same measurement frequency as the analyzer is set in the previous
step.
the analyzer marker amplitude reads +1 dBm ±0.05 dB.
the measuring receiver, then record the measuring receiver power
reading in Table 2-12.
step 17 to step 21
818 MHz. Record the results in
within the limits shown.
POWER LEVEL
for frequencies of 836 MHz, 881 MHz, and
Table 2-11. The results should be
Measuring Receiver
Reading (dBm)
_________________
_________________
_________________
_________________
, 20, dB
of the analyzer to the measurement frequency
.
PEAK SEARCH
for frequencies of 881 MHz, 836 MHz, and
Table 2-12. The results should be
and adjust the
Max (dBm)
−8.3
−8.3
−8.3
−8.3
Chapter 2