Pulse width modulation decoder

Details Pulse width modulation decoder Pulse width modulation decoder

1982-06-14

1983-10-04

Grimm, Siegfried H.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

375 94, H03K 908

Patent

active

044081669

ABSTRACT:
A decoder for pulse width modulated (PWM) signals comprising an integrator and a sample-and-hold circuit wherein the sample-and-hold output signal is fed back to the input of the integrator. No periodic initialization of the integrator is required. The gains of the integrator and sample-and-hold circuits and the capacitance of the integrator capacitor affect only the settling time of the decoder, not the value to which the decoder output ultimately settles.

REFERENCES:
patent: 3571736 (1971-03-01), West
patent: 3597693 (1971-08-01), McNeilly
patent: 3624529 (1971-11-01), Gebelein, Jr.
patent: 3886463 (1975-05-01), Caprio
patent: 4249136 (1981-02-01), Suzuki et al.

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