✦ LIBER ✦

Bridged-shunt-series peaking technique for a 3.1 10.6 GHz ultra-wideband CMOS low noise amplifier

✍ Scribed by Yu-Liang Lin; Hsien-Yuan Liao; Hwann-Kaeo Chiou

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 478 KB
Volume: 50
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.23166

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✦ Synopsis

Abstract

An ultra‐wideband 3.1–10.6‐GHz low noise amplifier (LNA) adopting inductive peaking technique for bandwidth extension is presented. Fabricated in a 0.18‐μm CMOS process, the proposed circuit can both satisfy the maximum bandwidth and the maximally flat response. The feedback resistor provides good input match while contributing a small amount in noise figure degradation. The presented LNA achieves a maximum power gain of 14.1 dB within a 3‐dB bandwidth from 2.2 to 11 GHz and a good noise figure from 3.4 to 4.5 dB in the entire UWB band, and an IIP3 better than −3 dBm while drawing 30 mW from a 1.5‐V supply. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 575–578, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23166

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