Filter circuit in radio frequency power detection circuit
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United States of America Patent
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Apr 16, 2019
Grant Date -
Dec 7, 2017
app pub date -
Aug 24, 2017
filing date -
Apr 11, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A filter circuit in a radio frequency power detection circuit includes input and output lines, wherein: an input terminal of the input and output lines is connected with a first capacitor, the first capacitor is connected with a first filtering sub-circuit; the first filtering sub-circuit is connected with a third capacitor, the third capacitor is connected with a second filtering sub-circuit; the second filtering sub-circuit is connected with an output terminal of the input and output lines. The filter circuit of the present invention is able to effectively improve the detection accuracy of the radio frequency electric source output power, thereby improving the power output accuracy of the radio frequency electric source.
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