Differential amplifier
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United States of America Patent
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Jul 21, 2009
Grant Date -
Apr 19, 2007
app pub date -
Sep 26, 2006
filing date -
Sep 26, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A differential amplifier is disclosed. The differential amplifier includes a first load element coupled between a first voltage and a first node. A second load element is coupled between the first voltage and a second node. A current source is coupled between a second voltage and a third node. A first input element is coupled between the first node and the third node and receives an input signal so as to adjust a voltage level of the first node. A second input element is coupled between the second node and the third node and receives a reference voltage signal so as to adjust a voltage level of the second node. A third input element is coupled between the second node and the third node and receives the input signal so as to adjust the voltage level of the second node.
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