Power detection circuit
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United States of America Patent
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Mar 29, 2016
Grant Date -
Jun 20, 2013
app pub date -
Sep 12, 2012
filing date -
Dec 15, 2011
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Abstract
There is provided a power detection circuit capable of appropriately adjusting detection voltage characteristics by using simple configuration. The power detection circuit includes a first resistor having current applied thereto to adjust a detection voltage value of input power, an element having an applied voltage and a load characteristic changed according to the input power, and a second resistor connected to the element and having current applied thereto when resistance of the element becomes relatively low, to adjust the detection voltage value of the input power. Detection voltage characteristics may be appropriately adjusted using a simple configuration.
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