Modulator with linear period stretching capability

Details Modulator with linear period stretching capability Modulator with linear period stretching capability

2011-08-02

2011-08-02

Vu, Bao Q (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

C323S282000, C323S283000, C323S284000, C323S285000

Reexamination Certificate

active

07990116

ABSTRACT:
A modulator for use with a voltage regulator includes an input for receiving an input voltage, an output for providing a periodic triangular wave form and at least one input for receiving an indication that the voltage regulator is in a discontinuous current mode of operation. The circuitry within the modulator generates the periodic triangular wave form responsive to the input voltage and the indication that the voltage regulator is in the discontinuous current mode of operation. The circuitry further continuously increases a period of the periodic triangular wave form responsive to a decreased load in a discontinuous current mode of operation of the voltage regulator.

REFERENCES:
patent: 7034586 (2006-04-01), Mehas et al.
patent: 7098632 (2006-08-01), Chen et al.
patent: 7298124 (2007-11-01), Kan et al.
patent: 2006/0113974 (2006-06-01), Kan et al.
patent: 2006/0284567 (2006-12-01), Huynh et al.

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