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A miniature low-power ultra-wideband low noise amplifier in 0.18 μm CMOS

✍ Scribed by Xin Guan; Cam Nguyen

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
515 KB
Volume
21
Category
Article
ISSN
1096-4290

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✦ Synopsis

A 0.18-lm CMOS low-noise amplifier (LNA) operating over the entire ultrawideband (UWB) frequency range of 3.1-10.6 GHz, has been designed, fabricated, and tested. The UWB LNA achieves the measured power gain of 7.5 6 2.5 dB, minimum input matching of À8 dB, noise figure from 3.9 to 6.3 dB, and IIP3 from À8 to À1.9 dBm, while consuming only 9 mW over 3-10 GHz. It occupies only 0.55 Â 0.4 mm 2 without RF and DC pads. The design uses only two on-chip inductors, one of which is such small that could be replaced by a bonding wire. The gain, noise figure, and matching of the amplifier are also analyzed.

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