Pulse width modulator having reduced signal distortion at...

Details Pulse width modulator having reduced signal distortion at... Pulse width modulator having reduced signal distortion at...

2005-01-04

2005-01-04

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S303000

Reexamination Certificate

active

06838862

ABSTRACT:
A pulse width modulation apparatus includes a load circuit, a signal switch, a shunt switch, and a resistor. The signal switch isolates the load circuit from a voltage source along a signal path. The shunt switch is connected to the signal path at a point between the signal switch and the load circuit. The shunt switch isolates the signal path from a ground voltage. A resistor is connected in series between the signal switch and the shunt switch.

REFERENCES:
patent: 4254372 (1981-03-01), Moore, Jr.
patent: 4739465 (1988-04-01), Asano et al.
patent: 4743785 (1988-05-01), Milberger et al.
patent: 4816741 (1989-03-01), Ekstrand
patent: 5515258 (1996-05-01), Viertler
patent: 5646837 (1997-07-01), Weggel

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