Down-conversion mixer
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United States of America Patent
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Dec 20, 2022
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Nov 17, 2021
filing date -
Nov 17, 2021
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Abstract
A down-conversion mixer includes a converting-and-mixing circuit and a load circuit. The converting-and-mixing circuit performs voltage to current conversion and mixing with a differential oscillatory voltage signal pair upon a differential input voltage signal pair to generate a differential mixed current signal pair. The load circuit includes two transistors each having a transconductance that varies according to a control voltage, two resistors each decreasing a threshold voltage of a respective one of the transistors, and a resistor-inductor circuit cooperating with the transistors to convert the differential mixed current signal pair into a differential mixed voltage signal pair.
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