HP-524C 



ELECTRONIC 



COUNTER 



HP-606A 



HIGH-FREQUENCY 



OSCILLATOR 



CRAMER TIMEMETER 

 (TEST TIMER) 



POWER SWITCHES 

 AND SUPPLIES 



PARAGON 4001-0 

 TIME SWITCH 



115 VAC 



OSCILLOSCOPE 



HP-400H RMS 

 VOLTMETER 



COLLINS 

 IF-AM MODULES 

 PN 528-0317-005 



LOAD SWITCHES 



LOAD RESISTORS 



MODULATOR- 

 SELECTOR 

 SWITCH 



MEASUREMENT 

 SELECTOR 



VOLTAGE 

 SELECTOR 



NONLINEAR SYSTEMS 

 V35A DIGITAL 

 VOLTMETER 



HP-400H RMS 

 VOLTMETER 



HP-331A 

 DISTORTION 

 ANALYZER 



HP-400H RMS 

 VOLTMETER 



Figure A5. Block diagram of if/am module test instrumentation. 



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