HP 8642A Operation And Calibration Manual page 277

Model 8642A/B
Performance Tests
PERFORMANCE TESTS
4-11. INTERNAL MODULATION OSCILLATOR TESTS
SPECIFICATION:
DESCRIPTION:
EQUIPMENT:
Electrical Characteristics Performance Limits Conditions
FREQUENCY
Range
20 Hz to 100 kHz
Resolution 1 % of setting
Accuracy 2% of setting
OUTPUT LEVEL
Range
o
to 3 volts peak 600 ohm load
Resolution 4 mV
Accuracy ±(4% off setting +15 rnV) within 1 second
Distortion <0.02% 0.02-15.8 kHz
(>0.5 volt peak) <0.15% >15.8 kHz
Output Impedance 600 ohms ± 10%
All Internal Modulation Oscillator specifications are checked by measuring
the specified parameters on an audio analyz.er.
HP 8642A/B SYNTHESIZED
SIGNAL GENERATOR
o
0 0
I 10
D
IS 8 88 BB88B
0 0
[5
D
0 0 0 0 0
l5!5 EifsEHs8
0
~
a
AUDIO
ANALYZER
I ·
INPUT
L -_ _ _ _ _ ... -
_~~E!.1_
-- - - ••
f
STEP 5: :
LITJ-.i
600 OHM
FEEDTHROUOH
TERMINATION
Figure 4-7. Internal Modulation Oscillator Test Setup
Audio Analyz.er ........................ HP 8903A
Feedthrough Termination, 600 ohm ... HP 1109 SA
(a 600 ohm 1% resistor to ground
can be substituted. Use HP part number
0757-1100or 0698-4015.)
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