HP 8642A - 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
00000 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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