CMOS high impedance circuit
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United States of America Patent
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-
Dec 12, 2006
Grant Date -
Oct 23, 2003
app pub date -
Apr 18, 2002
filing date -
Apr 18, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A high impedance circuit includes a diode-connected MOSFET circuit. This circuit may be used in a buffer amplifier of a hearing aid microphone, coupled across an input of the buffer amplifier and providing a high input impedance.
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