A Miniature 4.3-7-GHz, 1-V CMOS LNA with Helical Inductors

Tsai, Ming-Da ; Wang, Huei ; Kuan, Jui-Feng ; Chao, Chih-Ping (2004) A Miniature 4.3-7-GHz, 1-V CMOS LNA with Helical Inductors. In: Gallium Arsenide applications symposium. GAAS 2004, 11—12 Ottobre, Amsterdam.

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Abstract

A fully-integrated 4.3-7 GHz CMOS low-voltage wideband low-noise amplifier with helical inductors has been demonstrated in this paper. The CMOS LNA, operating at a supply voltage as low as 1 V, achieves a small signal gain of 14 dB and 3-dB bandwidth from 4.3 to 7 GHz. The minimum noise figure is 2.9 dB at 6 GHz. With the benefits of helical inductors, the total effective chip size is only 0.2 mm2.

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