High conversion gain V-band quadruple subharmonic mixer using cascode structure

Dan An, Sung Chan Kim, Woo Suk Sul, Hyo Jong Han, Han Shin Lee, Won Young Uhm, Hyung Moo Park, Sam Dong Kim, Dong Hoon Shin, Jin Koo Rhee

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations

Abstract

In this paper, we present V-band high conversion gain quadruple subharmonic mixers adopting the cascode structure. The subharmonic mixers were successfully integrated by using 0.1 μm GaAs PHEMTs and the coplanar waveguide structures. We show that the highest conversion gain of 3.4 dB thus far at a LO power of 13 dBm from the fabricated mixers. The millimeter-wave subharmonic mixer also ensure a high degree of isolation showing -53.6 dB in the LO-to-IF and -46.2 dB in the LO-to-RF, respectively, at a frequency of 14.5 GHz. The high conversion gain achieved in this work is the first report among the millimeter-wave monolithic IC subharmonic mixers.

Original languageEnglish
Pages (from-to)911-914
Number of pages4
JournalIEEE MTT-S International Microwave Symposium Digest
Volume2
StatePublished - 2003
Event2003 IEEE MTT-S International Microwave Symposium Digest - Philadelphia, PA, United States
Duration: 8 Jun 200313 Jun 2003

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