Fast dynamic low-voltage current mirror with compensated error
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United States of America Patent
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Aug 1, 2006
Issued Date -
N/A
app pub date -
Apr 7, 2005
filing date -
Sep 19, 2002
priority date (Note) -
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Abstract
A current mirror comprising: a first current source; a first n-channel MOS transistor having a drain and a gate coupled to said current source and a source coupled to ground; a second n-channel MOS transistor having a drain, a gate coupled to said drain and said gate of said first n-channel MOS transistor, and a source coupled to ground; a third n-channel MOS transistor having a source coupled to said drain of said second n-channel MOS transistor, a gate, and a drain comprising an output-current node; a second current source; a p-channel MOS transistor having a drain coupled to ground, a source coupled to said second current source and said gate of said third n-channel MOS transistor, and a gate coupled to said drain and said gate of said first n-channel MOS transistor.
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