A 34-42GHz single-side-band transmitter with switchable VCO/PLL in 90nm-CMOS process

Ching Ying Huang, Kun Long Wu, Shu-I Hu, Chi-Yang Chang

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

Abstract

This manuscript describes a 34-42GHz single-sideband 90nm-CMOS transmitter where PLL has been integrated into the LO chain and, with I/Q input and two-stage up-conversion, a 30dB image-rejection ratio is achieved within the intended bandwidth. This transmitter's wideband tuning range is made possible by the use of additional capacitor on the VCO, and the phase noise of the resulting RF output is in the range of-70 to-90dBc/Hz at 1MHz, and all below-100dBc/Hz at 10MHz. The circuit's IF-to-RF conversion gain is 30dB, with saturated output power around 5dBm, and the total power consumption is 260mW. Through the control of the power amplifier's drain bias, a 50dB power level difference can be obtained, thus allows signal modulation and further combination with the receiver. This 1100×650um 2 transmitter can be used as a prototypical circuit to explore next-generation mobile communication and civilian radar array systems.

Original languageEnglish
Title of host publication2017 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages46-49
Number of pages4
ISBN (Electronic)9781509040360
DOIs
StatePublished - 20 Sep 2017
Event2017 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2017 - Seoul, Korea, Republic of
Duration: 30 Aug 20171 Sep 2017

Publication series

Name2017 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2017

Conference

Conference2017 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2017
CountryKorea, Republic of
CitySeoul
Period30/08/171/09/17

Keywords

  • CMOS
  • millimeter-wave
  • PLL
  • Q-band
  • transmitter

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