BROADBAND TERAHERTZ FOURTH-HARMONIC MIXER CIRCUIT, MIXER AND METHOD
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United States of America Patent
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Issued Date -
Oct 26, 2023
app pub date -
Nov 6, 2020
filing date -
Aug 18, 2020
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Abstract
A broadband terahertz fourth-harmonic mixer circuit, a mixer and a method wherein the broadband terahertz fourth-harmonic mixer circuit includes a radio frequency signal coupled transmission unit, nonlinear device, local oscillator filter, local oscillator signal coupled transmission unit and intermediate frequency filter unit which are sequentially connected; and further includes a radio frequency input port, local oscillator input port and intermediate frequency output port, where the radio frequency input port is connected to the radio frequency signal coupled transmission unit, the local oscillator input port is connected to the local oscillator signal coupled transmission unit, the intermediate frequency output port is connected to an output end of the intermediate frequency filter unit, and the local oscillator filter is of a two-level cascaded filter structure.
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