CURRENT MIRROR CIRCUIT
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United States of America Patent
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Issued Date -
Dec 24, 2009
app pub date -
Dec 17, 2007
filing date -
Dec 27, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A current mirror circuit includes a first transistor, a plurality of second transistors whose bases are connected to a base of the first transistor, and a compensation transistor having a gate connected to a collector of the first transistor, a source and a back gate connected to the base of the first transistor and the bases of the plurality of second transistors, and a drain connected to a power source. The first transistor and the plurality of second transistors are bipolar transistors. The compensation transistor is a MOS-type transistor. A current corresponding to a current flowing in the first transistor is permitted to flow in the plurality of second transistors.
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