Transmitter front-end with a new wideband active balun in 65-nm CMOS technology

  • Kuan Ting Lin
  • , Hsien Ku Chen
  • , Tao Wang
  • , Shey Shi Lu*
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

Abstract

A 2.4 GHz transmitter front-end with a wideband active balun is proposed.The wideband active balun is able to work ideally by adopting a resistive compensation technique, which balances the gain of the differential input. In addition, a variable-gain preamplifier driver with a dynamic range of 18 dB is utilized for the autogain loop control feature. The proposed wideband active balun only occupies 15 × 27 μm 2, which is profoundly small compared with conventional baluns and is promising in the differential to single signal conversion in wideband applications.

Original languageEnglish
Pages (from-to)2868-2871
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume54
Issue number12
DOIs
StatePublished - 12 2012

Keywords

  • CMOS
  • active balun
  • preamplifier driver
  • transformer
  • transmitter
  • variable-gain amplifier
  • wideband

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