Switched-capacitor modulator

Details Switched-capacitor modulator Switched-capacitor modulator

1980-02-07

1981-10-13

Grimm, Siegfried H.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 31R, 332 37R, H03C 102, H03K 700

Patent

active

042951054

ABSTRACT:
Novel apparatus and techniques for the modulation of a signal from one frequency band to another frequency band are disclosed. An integrator is changed between the inverting and non inverting modes, each mode occurring with each half cycle of a carrier signal. The modulating signal is sampled and applied to the integrator to provide the modulated signal. The modulator circuit components are fully suitable for fabrication on a single substrate.

REFERENCES:
patent: 3384838 (1968-05-01), Knutrud
patent: 3411110 (1968-11-01), Walker
patent: 3604947 (1971-09-01), Puthuff
patent: 3937882 (1976-02-01), Bingham

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