Threshold voltage generating circuit
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United States of America Patent
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Issued Date -
Nov 17, 2011
app pub date -
May 11, 2011
filing date -
May 12, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A threshold voltage generating circuit includes a main control circuit and a biasing circuit connected with the main control circuit. The main control circuit includes a first switching element, a second switching element connected with the first switching element, a third switching element connected with the second switching element, and a first operational amplifier connected with the third switching element, wherein an output end of the first operational amplifier outputs a threshold voltage. The threshold voltage generating circuit can generate the more precise threshold voltage.
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