Double balanced modulator-demodulator

Details Double balanced modulator-demodulator Double balanced modulator-demodulator

1975-09-25

1976-10-12

Kominski, John

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

307243, 329101, 332 24, 332 43B, H03C 154

Patent

active

039861465

ABSTRACT:
A double balanced modulator-demodulator which includes an input transformer with a secondary winding including two sections and an output transformer including a primary section connected in parallel with said secondary winding and an output winding coupled to the primary winding. Two pairs of transistors are employed to alternately short one section of the input transformer responsive to a carrier signal to alternately connect the other section to the primary winding to provide a modulated or demodulated output signal.

REFERENCES:
patent: 3614668 (1971-10-01), Sudoh
patent: 3636478 (1972-01-01), Glock

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