An 18-40 Ghz Monolithic Ring Mixer

Stephen A Maas, F M Yamada,A K Oki, N Matovello, C Hochuli

1998 IEEE RADIO FREQUENCY INTEGRATED CIRCUITS (RFIC) SYMPOSIUM(1998)

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摘要
This paper describes a doubly balanced monolithic ring mixer using a unique planar balun consisting of a Marchand section followed by a coupled-line structure. The latter provides additional even-mode rejection and a convenient point for IF extraction. The mixer achieves low conversion loss and high isolation over an 18-40 GHz RF/LO bandwidth and a dc-10 GHz IF bandwidth.
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关键词
impedance matching,isolation,baluns,shape,radio frequency,filtering
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