Linearity-improved differential amplification circuit
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United States of America Patent
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Aug 19, 2008
Grant Date -
Mar 1, 2007
app pub date -
Aug 23, 2006
filing date -
Aug 26, 2005
priority date (Note) -
Expired
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Abstract
A linearity-improved differential amplification circuit is provided, A linearity-improved differential amplification circuit comprises a main differential amplification unit differentially amplifying a first and a second input signals, a main bias unit biasing the main differential amplification unit, a first current source coupled in series between a power supply voltage terminal and the main bias unit and an auxiliary differential amplification unit differentially amplifying the first and the second input signal and coupled to the main differential amplification unit.
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