Double down-conversion with multiple independent intermediate frequencies for E-band applications
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United States of America Patent
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Apr 4, 2017
Grant Date -
Oct 20, 2016
app pub date -
Jun 28, 2016
filing date -
Dec 23, 2014
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Abstract
An apparatus includes a first receiver frequency conversion stage and a second receiver frequency conversion stage. The first receiver frequency conversion stage may be configured to generate at least four first intermediate frequency signals in response to a radio frequency (RF) input signal and respective phases of a first local oscillator signal. The second receiver frequency conversion stage may be configured to generate at least four output signals in response to the at least four first intermediate frequency signals and one or more phases of a second local oscillator signal. Each of the at least four output signals is generated in an independent channel in response to a respective one of the at least four first intermediate frequency signals and a respective one of the one or more phases of the second local oscillator signal.
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