A 7-21 GHz Broadband LNA Using Effective Bandwidth Extension Techniques

Jiashuai Wang*, Pei Ling Chi, Tao Yang

*Corresponding author for this work

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

2 Scopus citations

Abstract

In this paper, a broadband low-noise ampliefier(LNA) is presented. This LNA is based on a three-stage cascading amplifier with resistive feedback, inductive peaking, and source degeneration topologies. The LNA achieves a peak gain of 22.6dB, a niose figure (NF) of 1-1.6dB at frequency from 7GHz to 21.3GHz, and OP1dB of 5dBm at 17GHz. The circiut is fabricated using 0.15-μ m GaAs pseudomorphic high-electron-mobility transistor (pHEMT) process with 1.71-mm2 chip area. The LNA consumes a 127.5 mW DC power.

Original languageEnglish
Title of host publication2023 Asia-Pacific Microwave Conference, APMC 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages667-669
Number of pages3
ISBN (Electronic)9781665494182
DOIs
StatePublished - 2023
Event31st Asia-Pacific Microwave Conference, APMC 2023 - Taipei, Taiwan
Duration: 5 Dec 20238 Dec 2023

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC
ISSN (Electronic)2690-3946

Conference

Conference31st Asia-Pacific Microwave Conference, APMC 2023
Country/TerritoryTaiwan
CityTaipei
Period5/12/238/12/23

Keywords

  • inductive peaking
  • monolithic integrated circuit (MMIC)
  • Wideband amplifier

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