Non-inverting feedback amplifier with high disabled impedance

Non-inverting feedback amplifier with high disabled impedance

A non-inverting feedback amplifier with high disabled impedance includes a disableable signal amplifier; a feedback network having an input node, a feedback node and a reference node; the signal amplifier having a first input for receiving an input signal and a second input for receiving a feedback...

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Hauptverfasser: LAWAS KENNETH A, TAM KIMO Y. F
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Sprache:eng
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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creator LAWAS KENNETH A
TAM KIMO Y. F
description A non-inverting feedback amplifier with high disabled impedance includes a disableable signal amplifier; a feedback network having an input node, a feedback node and a reference node; the signal amplifier having a first input for receiving an input signal and a second input for receiving a feedback signal from the feedback node; and a reference buffer including a reference amplifier with its output directly connected to the reference node without additional series switching elements, a first input connected to a reference voltage, and a second input connected to its own output for mirroring at its output the reference voltage at its first input when the reference buffer and signal amplifier are enabled and presenting a high impedance between the feedback network and the reference voltage when the signal amplifier and reference buffer are disabled.
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BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
title Non-inverting feedback amplifier with high disabled impedance
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