Class AB CMOS active transformer voltage-controlled oscillators

A. Tang, F. Yuan, E. Law

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

3 Citations (Scopus)

Abstract

This paper presents class AB CMOS active transformers synthesized using MOS transistors only and their applications in voltage-controlled oscillators. It is shown that the class AB active transformer VCO exhibits lower phase noise than class A transformer configurations. Simulation results of self and mutual inductance, impedance, and phase noise of class A and class AB active transformer oscillators are presented. The phase noise of the designed 1.6 GHz class AB active transformer VCO in TSMC-0.18μm 1.8V CMOS technology is -122.9 dBc/Hz at a 1 MHz offset the carrier and is comparable to that of VCOs with passive spiral inductors.

Original languageEnglish
Title of host publication2007 International Symposium on Signals, Systems, and Electronics, URSI ISSSE 2007
Pages501-504
Number of pages4
DOIs
Publication statusPublished - 2007
Externally publishedYes
Event2007 International Symposium on Signals, Systems and Electronics, URSI ISSSE 2007 - Montreal, QC, Canada
Duration: 30 Jul 20072 Aug 2007

Publication series

NameConference Proceedings of the International Symposium on Signals, Systems and Electronics

Conference

Conference2007 International Symposium on Signals, Systems and Electronics, URSI ISSSE 2007
Country/TerritoryCanada
CityMontreal, QC
Period30/07/072/08/07

Keywords

  • Active inductor
  • Active transformer
  • LC oscillator

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