BALANCED UP-CONVERSION MIXER
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United States of America Patent
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Issued Date -
Apr 20, 2017
app pub date -
Mar 24, 2016
filing date -
Oct 15, 2015
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Abstract
A balanced up-conversion mixer includes: a load circuit permitting a differential radio frequency (DRF) current signal pair (SP) to flow out and outputting a DRF voltage SP based on its impedance, a DC bias voltage and the DRF current SP; a mixing circuit allowing the DRF current SP to flow thereinto based on a differential intermediate frequency voltage SP, a differential oscillating voltage SP generated based on an oscillating voltage signal by a single-ended to differential conversion circuit, and first and second currents generated by a negative resistance compensation circuit based on a DC bias voltage; and a signal amplifier circuit amplifying the DRF voltage SP to generate a differential output voltage SP.
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