HP 8642A Operation And Calibration Manual page 270

Performance Tests Model 8642A/B
PERFORMANCE TESTS
Electrical Characteristics
Performance Limits
Conditions
PHASE MODULATION
(Cont'd)
Indicator Accuracy ±(5% of reading +0.9 rad)
(1 kHz rate)
Resolution The larger of:
0.75% of setting or
0.0004% of max deviation
Distortion (1 kHz rate)
<
0.4% 20 kHz deviation, 1 kHz
rate,
>
400 kHz carrier
3 dB Bandwidth
int, ext ae 20 Hz to 15 kHz
ext de dct015kHz
4-20 rev.!
2DEC86