FOUR QUADRANT CURRENT MODE SWITCHING AMPLIFIER

FOUR QUADRANT CURRENT MODE SWITCHING AMPLIFIER

A four quadrant current mode switching amplifier is provided. The switching amplifier includes a pulse width modulator (PWM) (16) programmed by an error voltage derived from an analog input voltage and the amplified output voltage. The PWM is also provided with negative current mode feedback in all...

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Hauptverfasser: CAINE, STEVEN LANCE, KIMBROUGH, MAHLON DANNY
Format: Patent
Sprache:eng ; fre
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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creator CAINE, STEVEN LANCE
KIMBROUGH, MAHLON DANNY
description A four quadrant current mode switching amplifier is provided. The switching amplifier includes a pulse width modulator (PWM) (16) programmed by an error voltage derived from an analog input voltage and the amplified output voltage. The PWM is also provided with negative current mode feedback in all four quadrants of operation. A logic device (18) controls the switching topology (20) to source, or sink power for the load and to provide negative or positive output in dependence upon sign and slope bits, derived from the input and output voltages, and the PWM output.
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The switching amplifier includes a pulse width modulator (PWM) (16) programmed by an error voltage derived from an analog input voltage and the amplified output voltage. The PWM is also provided with negative current mode feedback in all four quadrants of operation. 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The switching amplifier includes a pulse width modulator (PWM) (16) programmed by an error voltage derived from an analog input voltage and the amplified output voltage. The PWM is also provided with negative current mode feedback in all four quadrants of operation. A logic device (18) controls the switching topology (20) to source, or sink power for the load and to provide negative or positive output in dependence upon sign and slope bits, derived from the input and output voltages, and the PWM output.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
title FOUR QUADRANT CURRENT MODE SWITCHING AMPLIFIER
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