Carrier and tone squelch circuit with elimination of noise at end of transmission
作者： George H Ryan , Ross W Randolph
DOI:
关键词: Radio receiver 、 Physics 、 Noise burst 、 Transmission (telecommunications) 、 Squelch 、 Electrical engineering 、 Tone (musical instrument) 、 Noise 、 Carrier signal
摘要: Squelch circuit for radio receiver operating in response to a carrier wave and coded tone, wherein reverse burst is used at the end of tone rapidly stop resonant device. The responding coupled squelch holds same inoperative short period time following eliminate noise which otherwise occurs.
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