Electronic signal mixer

Details Electronic signal mixer Electronic signal mixer

1975-03-31

1976-07-20

Richardson, Robert L.

Telegraphy

Systems

Simplex-reversing periodic

178DIG6, 178DIG16, 307264, H04N 514, H04N 520, H04N 522

Patent

active

039707741

ABSTRACT:
An electronic signal mixer is provided for combining first and second signals by additively (or differentially) combining the first and second signals to provide a first output signal. The first and second signals are further combined in a multiplier circuit to provide an output signal which is a differential (or additive) combination of the first and second signals multiplied by a coefficient determined by a control voltage applied to the multiplier. The first combined signal and the product output of the multiplier are further combined to provide a resultant signal comprised of any proportionality of the first and second signals in accordance with the value of the control voltage.

REFERENCES:
patent: 3752905 (1971-12-01), Schneider

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