60-GHz dual-conversion down-converter using Schottky diode and dual-band rat-race coupler in standard 0.18-μm CMOS process

Yu Chih Hsiao, Chin-Chun Meng, Hung Ju Wei, Ta Wei Wang, Guo Wei Huang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A 60 GHz dual-conversion down-converter with a microwave mixer in the first conversion and analog mixers in the second conversion is demonstrated in 0.18-μm CMOS technology. The first down-converted sub-harmonic mixer consists of a rat-race coupler with the dual-band Chebyshev response and Schottky diodes in anti-parallel configuration. The high cut-off frequency of a Schottky diode helps lowering the conversion loss and noise figure of a microwave mixer. A double balanced resistive mixer is used at the second down-converted mixer. As a result, the conversion gain is about 6 dB in the frequency range of 45∼67 GHz and the IF bandwidth is over 1 GHz. IP1dB is about -5-dBm and IIP3 is about 5-dBm at 45∼67 GHz. The single sideband noise figure is 21 dB at 60 GHz. The total power consumption is 71 mW at 2.5 V.

Original languageEnglish
Title of host publication2013 Asia-Pacific Microwave Conference Proceedings, APMC 2013
Pages182-184
Number of pages3
DOIs
StatePublished - 1 Dec 2013
Event2013 3rd Asia-Pacific Microwave Conference, APMC 2013 - Seoul, Korea, Republic of
Duration: 5 Nov 20138 Nov 2013

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC

Conference

Conference2013 3rd Asia-Pacific Microwave Conference, APMC 2013
CountryKorea, Republic of
CitySeoul
Period5/11/138/11/13

Keywords

  • dual conversion
  • phase-inverter rat-race coupler
  • schottky diode

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