Agilent Technologies 8590 Series Service Manual page 156

Making Adjustments
25. Checking the Absolute Amplitude Accuracy for Option 050
Frequency Response Input Attenuator 40 dB
30.On the analyzer, press the following keys.
31.Set the FREQUENCY of the analyzer to the measurement frequency
32.On the synthesized sweeper, press CW, then set the frequency to the
33.On the analyzer, press
34.On the synthesized sweeper, press POWER LEVEL and adjust the
35.Set the power sensor cal factor (for frequency being measured) on
36.Repeat
Table 2-14 Frequency Response Attenuator 40 dB
Synthesized
Sweeper Frequency
(MHz)
948
881
836
818
156
AMPLITUDE, ATTEN AUTO MAN
, 10,
AMPLITUDE +dBm
shown in Table 2-14.
same measurement frequency as the analyzer is set in the previous
step.
amplitude so the analyzer marker amplitude reads +5 dBm
±0.05 dB.
the measuring receiver, then record the measuring receiver power
reading in Table 2-14.
step 31 to step 35
818 MHz. Record the results in
Min (dBm)
+4.0
+4.0
+4.0
+4.0
, 40, dB
.
PEAK SEARCH
for frequencies of 881 MHz, 836 MHz, and
Table 2-14.
Measuring Receiver
Reading (dBm)
_________________
_________________
_________________
_________________
Max (dBm)
+6.0
+6.0
+6.0
+6.0
Chapter 2