AMPLIFIER CIRCUIT, INTEGRATED CIRCUIT AND RADIO FREQUENCY COMMUNICATION UNIT
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United States of America Patent
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Mar 8, 2011
Grant Date -
Mar 10, 2011
app pub date -
Sep 10, 2009
filing date -
Sep 10, 2009
priority date (Note) -
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Abstract
An amplifier circuit for amplifying an input signal received at an input node of the amplifier circuit. The amplifier circuit comprises a feedback resistance connected between the input node of the amplifier circuit and an output node of the amplifier circuit. Transconductance circuitry is arranged to inject a transconductance current at a point along the feedback resistance. The transconductance circuitry is configurable to vary the point along the feedback resistance where the transconductance current is injected.
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