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11
FM Discriminator Measurement Examples
Discriminator Measurement using FM Rate and Deviation Calibration
Discriminator Measurement using FM Rate
and Deviation Calibration
Required Equipment
11-20
E5500 Phase Noise Measurement System Version A.02.00
CAUTION:
To prevent damage to the Agilent 70420A test set's hardware
components, the input signal must not be applied to the signal input connector
until the input attenuator (Agilent 70420A Option 001) has been correctly set for
the desired configuration, as show in
connection diagram appears.
NOTE: In order to use the FM rate and deviation calibration method
you must have a signal source that is calibrated for FM modulation
rate and FM deviation parameters. All Agilent Technologies signal
generators meet this requirement.
Table 11-4
shows equipment is required for this example in addition
the phase noise test system and your unit-under-test (UUT).
NOTE: To ensure accurate measurements, you should allow the UUT
and measurement equipment to warm up at least one hour before
making the noise measurement.
Table 11-4 Required Equipment for the FM Discriminator Measurement
Example
Equipment
Signal Generator
Power Splitter
Table
11-5. Apply the input signal when the
Quantity
Comments
1
+19 dBm output level at tested
carrier frequency.
Calibrated FM at a 20 kHz rate with
10 kHz Peak Deviation.
1
NARDA 30183
Document Part No. E5500-90024 Ed. 1.0
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