Wideband LNA compatible for differential and single-ended inputs

Ming Ching Kuo*, Chien-Nan Kuo, Tzu Chan Chueh

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

This letter presents a wideband low-noise amplifier (LNA) that supports both differential and single-ended inputs, while providing differential output. The LNA is implemented in 0.13 μ CMOS technology. For sub-1 GHz wideband applications, this LNA achieves 22.5 dB voltage gain, + 1 dBm IIP3, and 2.5 dB NF in the differential receiving mode, while achieving 23 dB voltage gain, - 0.5 dBm IIP3, and 2.65 dB NF in the single-ended receiving mode. The LNA core circuit draws 2.5 mA from 1.2 V supply voltage, and occupies a small chip area of 0.06 2.

Original languageEnglish
Article number5109484
Pages (from-to)482-484
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume19
Issue number7
DOIs
StatePublished - 1 Jul 2009

Keywords

  • Balun
  • Capacitor cross-coupling (CCC)
  • Low-noise amplifier (LNA)
  • Noise-canceling
  • Reconfigurable
  • Wideband

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