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460_KC_F_M_RECEIVER_FOR_WIRELESS_MICRO_PHONE

2016-11-27 14:01  
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460_KC_F_M_RECEIVER_FOR_WIRELESS_MICRO_PHONE
Loop 5 meters square picks up in duction field of four-transmitter and feeds r-f amplifier V1. Operating frequency is converted to 50 kc by V2 and amplified and limited by V3 and V4. Audio signal is recovered after passing through, low-pass filter. Peak audio output is about 0.5 v, enough to feed p-a or speech preamplifier-G. F, Montgomery, Wireless Microphone use F-M Modulation, Electronics, 31:1, p 54-55.