Agilent Technologies E8285A Manual page 181

c. Set the amplitude to 1.42 V.
3. On the signal generator:
a. Set the output frequency to 840 MHz.
b. Set the amplitude to 0.0 dBm.
c. Set the function to FM with EXT AC Modulation.
4. On the Test Set:
a. Press .
Preset
b. Select the CONFIGURE screen.
c. Set the RF Display field to Freq.
d. Set the (Gen)-(Anl) field to 0 MHz.
e. Select the RF ANALYZER screen.
f. Set the Tune Freq to 840 MHz.
g. Set the IF Filter field to 230 kHz.
h. Select the AF ANALYZER screen.
i. Set the AF Anl In field to FM Demod.
j. Set the Filter 1 field to <20 Hz HPF.
k. Set the Filter 2 field to 3 kHz LP.
l. Set the Detector field to PK+.
5. For each RF output from the signal generator shown in the Performance Test
Record (PTR), do the following:
a. Set the audio analyzer's frequency (rate) as shown in the PTR.
a. Set the appropriate Filter 2 on the Test Set and LP Filter on the
measuring receiver to match the output frequency of the audio analyzer.
b. Adjust the audio analyzer's level until the measuring receiver reads the FM
deviation shown in the PTR.
c. Read the FM deviation on the Test Set and compare the results to the limits
shown in the PTR.
RF Analyzer FM Accuracy Performance Test 20
Performance Tests
181