Multiple oscillator modulator circuit

Details Multiple oscillator modulator circuit Multiple oscillator modulator circuit

1976-09-20

1977-10-04

Grimm, Siegfried H.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

325 47, 325 61, 325156, 331 49, 331117R, 332 31R, 332 31T, H03C 100, H03C 300

Patent

active

040526828

ABSTRACT:
A plurality of oscillator-modulator combinations is incorporated into a monolithic integrated circuit. A single pole multiple position switch is used to energize a single oscillator at a time, and a filter having a plurality of inputs and a common output is coupled to the modulator outputs. The modulators each have a common modulation input. Using this combination, a very simple switch can be used to control the modulated signal output at different carrier frequencies.

REFERENCES:
patent: 2840713 (1958-06-01), Wulfsberg
patent: 3974460 (1976-08-01), Hongu et al.
patent: 3986145 (1976-10-01), Hongu et al.

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