Pulse width modulation signal generator

Details Pulse width modulation signal generator Pulse width modulation signal generator

2006-11-28

2006-11-28

Sircus, Brian (Department: 2836)

Electrical transmission or interconnection systems

Wave form or wave shape determinative or pulse-producing...

With capacitor

Reexamination Certificate

active

07141896

ABSTRACT:
A signal generator has matched reference (4) and modulation (6) ramp circuits, each including current source (8, 32), capacitance (10) charged by the current source, voltage detector (18) and switch (24). The output of one of the voltage detectors (8) controls both switches (24), and the output of the other voltage detector (18) is used as the output.

REFERENCES:
patent: 4404481 (1983-09-01), Ide et al.
patent: 4633168 (1986-12-01), Venema
patent: 5926013 (1999-07-01), Brandt
patent: 5982160 (1999-11-01), Walters et al.
patent: 6798180 (2004-09-01), Sase et al.
patent: 10048593 (2002-04-01), None

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