Frequency mixing device

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United States of America Patent

PATENT NO 11527996
SERIAL NO

17496984

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Abstract

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Provided is a FET resistive frequency mixing device having improved RF-LO and IF-LO isolations. The frequency mixing device includes: a field effect transistor (FET), a local oscillation matching circuit connected to a gate of the FET to transfer a local oscillation signal to the gate of the FET, a gate biasing circuit connected to the gate of the FET, a radio frequency (RF) matching circuit having a first terminal connected to a drain side of the FET and a second terminal serving as a RF terminal to receive or output a RF signal, an intermediate frequency (IF) matching circuit having a first terminal connected to the drain side of the FET and a second terminal serving as an IF terminal to receive or output an IF signal, and a series resonance circuit providing a path from the drain of the FET to ground for the local oscillation signal.

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Patent Owner(s)

Patent OwnerAddress
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE218 GAJEONG-RO YUSEONG-GU DAEJEON 34129 34129

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Dong Pil Daejeon, KR 13 7
Jeong, Jin Cheol Daejeon, KR 12 17
Ju, In Kwon Daejeon, KR 7 13
Kim, Byoung Hak Daejeon, KR 19 117
Lim, Jun Han Daejeon, KR 5 2
Moon, Seong Mo Daejeon, KR 17 30
Shin, Dong Hwan Daejeon, KR 36 99
Yom, In Bok Daejeon, KR 52 159

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