System for limiting intermodulation distortion of talkspurt sign

Details System for limiting intermodulation distortion of talkspurt sign System for limiting intermodulation distortion of talkspurt sign

1979-05-11

1981-04-14

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 6, 455116, H04J 112

Patent

active

042623553

ABSTRACT:
In a single-voice-signal-per-carrier communications system, means are provided for limiting the intermodulation distortion in a common amplifier of a plurality of talkspurt voice signals. Separate carrier waves and voice signals are applied to respective modulators. The voice-operated-switch signals associated with respective voice signals are applied through a limiter circuit to the respective modulators. The limiter circuit limits the number of modulators generating talkspurt signals at any instant to a number which avoids intermodulation distortion.

REFERENCES:
patent: 3456202 (1969-07-01), Miyagi
patent: 3477042 (1969-11-01), Wachs
patent: 3505479 (1970-04-01), Hodge
patent: 3553380 (1971-01-01), Greenwald

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