A 3 to 5 GHz UWB SiGe HBT low noise amplifier for WPANS IEEE 802.15.3a standard

Farid Touati, Skandar Douss, Zia Nadir, Mohammed Bait Suwailam, Mourad Loulou

Research output: Contribution to journalArticle

Abstract

Ultra-Wideband Low-Noise Amplifiers (UWB LNA) operating in the low-frequency band (3.1-5 GHz) of UWB spectrum are presented. The designs consist of a cascode amplifier with wideband input matching techniques based on LC-ladder filters or shunt-feedback both combined with inductive peaking. Implemented with a SiGe HBT process, the LNAs give 18.0 dB gain, better than-20 dB input matching and a return loss less than-34 dB, while consuming 11 mW under 1.5 V supply. The feedback LNA gives a better flat noise figure of 2.5 dB and an input IP3 of-6 dB at 5 GHz.

Original languageEnglish
Pages (from-to)579-583
Number of pages5
JournalInformation Technology Journal
Volume6
Issue number4
Publication statusPublished - May 15 2007

Fingerprint

Low noise amplifiers
Heterojunction bipolar transistors
Ultra-wideband (UWB)
Ladder networks
Feedback
Broadband amplifiers
Noise figure
Frequency bands
Cascode amplifiers

Keywords

  • Low-noise amplifier
  • Shunt-feedback
  • Ultra wideband
  • Wideband matching

ASJC Scopus subject areas

  • Computer Science (miscellaneous)

Cite this

A 3 to 5 GHz UWB SiGe HBT low noise amplifier for WPANS IEEE 802.15.3a standard. / Touati, Farid; Douss, Skandar; Nadir, Zia; Suwailam, Mohammed Bait; Loulou, Mourad.

In: Information Technology Journal, Vol. 6, No. 4, 15.05.2007, p. 579-583.

Research output: Contribution to journalArticle

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