
214 Chapter 8
Performance Tests
RF Analyzer FM Distortion Performance Test 21
b. Set the output frequency to 1 kHz.
c. Set the measurement mode to distortion.
4. On the Test Set:
a. Press
Preset.
b. Select the INSTRUMENT CONFIGURE screen.
c. Set the RF Display field to Freq.
d. Select the CDMA GENERATOR screen.
e. Set the CW RF Path field to Bypass.
f. Select the RF ANALYZER screen.
g. Set the Tune Freq to 400 MHz.
h. Set the Input Port field to Ant.
i. Set the IF Filter field to 230 kHz.
j. Select the AF ANALYZER screen.
k. Set the AF Anl In field to FM Demod.
l. Set the Filter 1 field to 300Hz HPF.
m.Set the Filter 2 field to 3kHz LPF.
n. Set the Detector field to Pk+.
5. For each FM deviation setting shown in the Performance Test Record
(PTR) do the following:
a. Adjust the audio analyzer’s level until the measuring receiver
reads the FM deviation shown in the PTR.
b. Read the distortion on the audio analyzer and compare the
results to the limits shown in the PTR.
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