A-68.5db IM3 low-voltage CMOS transconductor with wide tuning range

Tien Yu Lo*, Chung-Chih Hung, Chi Hsiang Lo

*Corresponding author for this work

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

A CMOS transconductor for multi-mode application is presented. The transconductor includes a voltage-to-current converter and a current multiplier. Voltage-to-current conversion employs linear region MOS transistors, and the conversion features high linearity over a wide input swing range. The current multiplier, which operates in the weak inversion region, provides a wide transconductance tuning range without degrading the linearity. The transconductor was designed and fabricated in the TSMC 0.18-μm CMOS process. The results show the transconductance tuning ratio of 23 and the IM3 performance of-68.5 dB.

Original languageEnglish
Pages (from-to)1556-1559
Number of pages4
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
VolumeE93-A
Issue number8
DOIs
StatePublished - 1 Jan 2010

Keywords

  • CMFF
  • IM3
  • Transconductor
  • Tuning

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