Pulse-width modulator and driving circuit

Details Pulse-width modulator and driving circuit Pulse-width modulator and driving circuit

1989-07-19

1991-07-09

Callahan, Timothy P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307234, 307270, 307355, H03K 5153, H03K 301

Patent

active

050308475

ABSTRACT:
A pulse-width modulator and a driving unit using the same produce from an input signal, two pulse-width modulated signals of different phases with their pulse widths changing in opposite directions, and then produce final modulated signals from the difference between the pulse widths of the two pulse width modulated signals of different phases, thereby increasing the precision.

REFERENCES:
patent: 3260912 (1966-07-01), Gregory
patent: 3551851 (1970-12-01), Engel
patent: 3743911 (1973-07-01), Erler
patent: 3978424 (1976-08-01), Hobo et al.
patent: 4813339 (1989-03-01), Uno et al.
patent: 4820940 (1989-04-01), Wachi et al.

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