Pulse width modulation circuit and method

Details Pulse width modulation circuit and method Pulse width modulation circuit and method

1998-01-16

2000-02-08

Kinkead, Arnold

Modulators

Pulse or interrupted continuous wave modulator

Pulse width modulator

327172, 327175, 327176, 375238, H03K 708

Patent

active

060231998

ABSTRACT:
A circuit and method for producing a train of pulse width modulated pulses (FIG. 2), the circuit comprising: pulse producing means (11-16) for receiving sample values at an update rate and for producing therefrom pulses whose widths are representative of the sample values, and repeater means (15) for causing the pulse producing means to produce a predetermined plurality of pulses, at an output rate which is an integral multiple of the update rate, for each said sample value, whereby the pulse train output frequency is greater than the sample value update frequency.

REFERENCES:
patent: 5498947 (1996-03-01), Wang et al.

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