BANDGAP REFERENCE CIRCUIT
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United States of America Patent
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Issued Date -
Sep 1, 2016
app pub date -
Feb 26, 2015
filing date -
Feb 26, 2015
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bandgap reference circuit incorporates first, second, and third current sources, an operational amplifier coupled to the second and the third current sources, a voltage divider, a first resistor, and first, second, and third bipolar transistors. The second bipolar transistor has a base configured to receive a bias voltage from the voltage divider. The third bipolar transistor has a base and a collector electrically connected to the ground voltage. The first resistor is coupled between the third current source and the third bipolar transistor.
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