HP 8647A - DC FM Frequency Error Performance Test

DC FM Frequency Error Performance Test
DC FM Frequency
Error Performance
Test
Connect the Test
Equipment
HP 8647A under test
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Measuring Receiver
Figure 8-10. DC FM Frequency Error Equipment Setup
Configure the
Measuring Receiver
Configure
the HP
86478
Measure Deviations
1. Reset
2. Frequency mode
3. Special function 7.1. Press 0 0 0 m.
1. Set the amplitude; press @ IdBo_).
2. Select external DC FM; press (FM) (EXTI.
3. Turn the RF output on; press (-1.
1. Set the frequencies and deviations shown in the test record.
2. For each data point, measure the carrier frequency with FM turned
3. For each data point, measure the carrier frequency with FM turned
4. Compute the error (difference) and compare it to the corresponding
off, press CMOD ON/OFF].
on, press MOD ON/OFF].
limits in the test record.
8.1 6 Performance Tests