Modulation device for substituting for a double balanced mixer

Details Modulation device for substituting for a double balanced mixer Modulation device for substituting for a double balanced mixer

1979-10-17

1982-01-26

Grimm, Siegfried H.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 23R, 332 31R, 332 47, 332 52, 329204, H03C 158, H03D 110

Patent

active

043130941

ABSTRACT:
A modulation device that has a means for minimizing the time required for the diodes to alternate conductive and nonconductive states. The modulation device as disclosed includes an input port for the signal that is to be mixed, a local oscillator port for the application of the switching signal and a sum port for providing the product of the two signals. Modulation is achieved by the operation of the diodes that are used as switches which are controlled by the local oscillator signal.

REFERENCES:
patent: 2086601 (1937-07-01), Caruthers
patent: 2086602 (1937-07-01), Caruthers
patent: 2236856 (1941-04-01), Penick

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