Signal detector apparatus

Details Signal detector apparatus Signal detector apparatus

1983-07-26

1985-08-20

Orsino, Jr., Joseph A.

Multiplex communications

Wide area network

Packet switching

328133, 329 50, H04B 114

Patent

active

045368716

ABSTRACT:
A signal detection circuit having a balanced modem is described. A switching circuit responsive to a selected linear input signal provides a square wave having the same frequency as the linear input signal. The modem, using a DC bias provided from the square-wave signal, is responsive to the square wave and linear input signals for providing a DC output having a magnitude proportional to the magnitude of the selected linear input signal.

REFERENCES:
patent: 2790898 (1957-04-01), Bady
patent: 2979611 (1961-04-01), Halina
patent: 4307347 (1981-12-01), Thomson

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