Electricity: power supply or regulation systems – For reactive power control – Using impedance
Reexamination Certificate
2007-04-24
2007-04-24
Han, Jessica (Department: 2838)
Electricity: power supply or regulation systems
For reactive power control
Using impedance
C323S274000, C323S293000, C323S352000, C323S369000, C323S370000
Reexamination Certificate
active
11130539
ABSTRACT:
Provided is a digitally-controlled linear regulator having noise-shaped component selection. The digitally-controlled linear regulator has a regulated-voltage sensor, a comparator module, a quantization module, and an impedance switching network. The regulated-voltage sensor is operably coupled to sense an output voltage of the digitally-controlled linear regulator to produce a sensed output voltage. The comparator module is operably coupled to compare the sensed output voltage with a reference voltage at a predetermined clock rate to produce a digital regulation signal. The quantization module is operably coupled to quantize the digital regulation signal to produce a quantized regulation signal. The impedance switching network is operably coupled to convert a source voltage into the output voltage of the digitally-controlled linear regulator based on the quantized regulation signal.
REFERENCES:
patent: 4791349 (1988-12-01), Minks
patent: 5559424 (1996-09-01), Wrathall et al.
patent: 5777463 (1998-07-01), Renous
Garlick & Harrison & Markison
Han Jessica
Sigmatel, Inc.
Smith Kevin L.
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