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Ul 



A 



1. DELAYED CONTROL PULSE 



2. STEP TIMING PIPS 



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R 



3. REFERENCE STEP VOLTAGE 



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11 



1 



8. CODE GROUPS 



11 



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11 



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J"L 



9. OUTPUT OF RECEIVING SUBTRACTION CIRCUIT 



10. RECEIVING STORAGE CONDENSER VOLTAGE 



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n 



II. UNDELAYED CONTROL PULSE 



n 



Fig. 7 — Detailed wave forms for PCM Receiver (amplitude vs. time). 



405 



