A wide modulation bandwidth bidirectional CMOS IQ modulator/demodulator for microwave and millimeter-wave gigabit applications

Shou Hsien Weng, Che Hao Shen, Hong Yeh Chang

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

5 Scopus citations

Abstract

A wide modulation bandwidth bidirectional IQ modulator/demodulator using 0.18 μm CMOS process is presented in this paper. Two doubly balanced modified Gilbert-cell resistive mixers are employed in the circuit design to achieve both broad RF and baseband bandwidths. The proposed IQ modulator/demodulator demonstrates a RF bandwidth of from 25 to 52 GHz, and a modulation bandwidth of from dc to 14 GHz. Furthermore, the modulation or demodulation can be performed at the same input/output ports of the proposed circuit, and the complexity of the transceiver can be reduced. The bidirectional IQ modulator/demodulator has a potential for 10 gigabit bidirectional communication systems in microwave and millimeter-wave (MMW) band.

Original languageEnglish
Title of host publicationEuropean Microwave Week 2012
Subtitle of host publication"Space for Microwaves", EuMW 2012, Conference Proceedings - 7th European Microwave Integrated Circuits Conference, EuMIC 2012
Pages8-11
Number of pages4
StatePublished - 2012
Event7th European Microwave Integrated Circuits Conference, EuMIC 2012 - Held as Part of 15th European Microwave Week, EuMW 2012 - Amsterdam, Netherlands
Duration: 29 Oct 201230 Oct 2012

Publication series

NameEuropean Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 7th European Microwave Integrated Circuits Conference, EuMIC 2012

Conference

Conference7th European Microwave Integrated Circuits Conference, EuMIC 2012 - Held as Part of 15th European Microwave Week, EuMW 2012
Country/TerritoryNetherlands
CityAmsterdam
Period29/10/1230/10/12

Keywords

  • bidirectional
  • CMOS
  • demodulation
  • modulation

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