5.7 GHz 0.18μm CMOS gain-controlled LNA and mixer for 802.11a WLAN applications

Yuan Kai Chu, Che Hong Liao, Huey-Ru Chuang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

18 Citations (Scopus)

Abstract

A 5.7 GHz 0.18μm CMOS gain-controlled differential LNA and a single-ended CMOS mixer for 802.11a WLAN applications are presented. The differential LNA, fabricated with the 0.18 μn 1P6M standard CMOS process, uses a current-reuse technology to increase linear gain and save power consumption. The single-ended CMOS mixer uses a single balance topology. Measurements of the CMOS components are performed by using a FR-4 PCB test fixture. The LNA exhibit noise figure of 3.7dB, linear gain of 12.5dB, P 1dB of -11dBm, and gain tuning range of 6.9dB. The mixer with a 280 MHz IF has a conversion gain -4.5dB, input P1dB 0dBm, and noise figure 14.6dB. LO-RF isolation is 20dB and LO-IF Isolation is 24dB. The power consumption of the differential LNA is 14.4mW and that of the mixer is 10.4mW from a 1.8V power supply.

Original languageEnglish
Title of host publicationIEEE Radio Frequency Integrated Circuits Symposium, RFIC, Digest of Technical Papers
EditorsT. Quach
Pages221-224
Number of pages4
Publication statusPublished - 2003
Event2003 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium - Philadelphia, PA, United States
Duration: 2003 Jun 82003 Jun 10

Other

Other2003 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium
CountryUnited States
CityPhiladelphia, PA
Period03-06-0803-06-10

All Science Journal Classification (ASJC) codes

  • Media Technology
  • Electrical and Electronic Engineering

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  • Cite this

    Chu, Y. K., Liao, C. H., & Chuang, H-R. (2003). 5.7 GHz 0.18μm CMOS gain-controlled LNA and mixer for 802.11a WLAN applications. In T. Quach (Ed.), IEEE Radio Frequency Integrated Circuits Symposium, RFIC, Digest of Technical Papers (pp. 221-224)