CMOS 138GHz low-power active mixer with branch-line coupler

Dong Hyun Kim, Jae Sung Rieh

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


A 138GHz down-conversion mixer with a branch-line coupler has been developed based on a 90nm CMOS technology. The fabricated mixer shows a differential conversion gain of 3.7dB with the mixer core drawing a current 0.66mA from a 1.2V supply. The 1dB gain compression point is estimated to be larger than -6dBm. The mixer occupies 0.61 × 0.62mm 2 of chip area excluding pads.

Original languageEnglish
Pages (from-to)554-555
Number of pages2
JournalElectronics Letters
Issue number10
Publication statusPublished - 2012 May 10

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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