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CMOS 138 GHz low-power active mixer with branch-line coupler
- Authors
- Kim, Dong-Hyun; Rieh, Jae-Sung
- Issue Date
- 10-5월-2012
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Citation
- ELECTRONICS LETTERS, v.48, no.10, pp.554 - U95
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTRONICS LETTERS
- Volume
- 48
- Number
- 10
- Start Page
- 554
- End Page
- U95
- ISSN
- 0013-5194
- Abstract
- A 138 GHz down-conversion mixer with a branch-line coupler has been developed based on a 90 nm CMOS technology. The fabricated mixer shows a differential conversion gain of 3.7 dB with the mixer core drawing a current 0.66 mA from a 1.2 V supply. The 1 dB gain compression point is estimated to be larger than -6 dBm. The mixer occupies 0.61 x 0.62 mm(2) of chip area excluding pads.
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