CMOS integrated circuit and amplifying circuit
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United States of America Patent
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Sep 16, 2014
Grant Date -
May 23, 2013
app pub date -
Sep 12, 2012
filing date -
Nov 21, 2011
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Abstract
There is provided a CMOS integrated circuit capable of avoiding deterioration of NF characteristic and achieving a high degree of linearity in the case in which an LNA circuit is formed on an SOI substrate and an LAN circuit is formed in a bulk CMOS process. The CMOS integrated circuit includes a field effect transistor having a gate electrode connected to a signal input terminal, a drain electrode connected to a power terminal, and a source electrode connected to a ground terminal, wherein the field effect transistor is formed on the SOI substrate and a connection between a body potential and a potential lower than a source potential are formed by a resistor element. The deterioration of NF characteristic can be avoided and a high degree of linearity can be achieved by using this CMOS integrated circuit.
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