Agilent Technologies 8590L Service Manual page 163

Making Adjustments
27. Checking the Absolute Amplitude Accuracy for Option 051
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
Table 2-19 Frequency Response Attenuator 20 dB
Synthesized
Sweeper Frequency
(MHz)
956
940
826
810
164
,
AMPLITUDE ATTEN AUTO MAN
, 6,
AMPLITUDE +dBm
FREQUENCY
shown in Table 2-19.
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
810 MHz. Record the results in
within the limits shown.
Min (dBm)
+0.4
+0.4
+0.4
+0.4
, 20, dB
of the analyzer to the measurement frequency
.
PEAK SEARCH
for frequencies of 948 MHz, 826 MHz, and
Table 2-19. The results should be
Measuring Receiver
Reading (dBm)
_________________
_________________
_________________
_________________
Max (dBm)
+1.6
+1.6
+1.6
+1.6
Chapter 2