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A CMOS Low-Noise Amplifier for Ultra Wideband Wireless Applications
Mei-Fen CHOU Wen-Shen WUEN Chang-Ching WU Kuei-Ann WEN Chun-Yen CHANG
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E88-A
No.11
pp.3110-3117 Publication Date: 2005/11/01 Online ISSN:
DOI: 10.1093/ietfec/e88-a.11.3110 Print ISSN: 0916-8508 Type of Manuscript: Special Section PAPER (Special Section on Wide Band Systems) Category: Keyword: low noise amplifier, ultra-wideband, stagger tuning technique, low power,
Full Text: PDF>>
Summary:
A CMOS low noise amplifier (LNA) for low-power ultra-wideband (UWB) wireless applications is presented. To achieve low power consumption and wide operating bandwidth, the proposed LNA employing stagger tuning technique consists of two stacked common-source stages with different resonant frequencies. This work is implemented in 0.18-µm CMOS process and shows a 2.4-9.4-GHz bandwidth. The amplifier provides a maximum forward gain (S21) of 10.9 dB while drawing 7.1 mW from a 1.8-V supply. A noise figure as low as 4.1 dB and an IIP3 of -3.5 dBm have been demonstrated.
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