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A low-power V-band CMOS low-noise amplifier using current-sharing technique

✍ Scribed by Hong-Yu Yang; Yo-Sheng Lin; Chi Chen Chen

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
328 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A low‐power‐consumption 53‐GHz (V‐band) low‐noise amplifier (LNA) using standard 0.13 μm CMOS technology is reported. To achieve sufficient gain, this LNA is composed of four cascaded common‐source stages. Current‐sharing technique is adopted in the third and four stages to reduce the power dissipation. The output of each stage is loaded with an LC parallel resonance circuit to maximize the gain at the design frequency. This LNA achieved voltage gain (A~V~) of 14 dB, very low noise figure (NF) of 6.13 dB, input referred 1‐dB compression point (P~1dB‐in~) of −20 dBm, and input third‐order inter‐modulation point (IIP3) of −9 dBm at 53 GHz. It consumed only a very small dc power of 10.56 mW. In addition, the chip area was only 0.91 × 0.58 mm^2^, including all the test pads and bypass capacitors. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1876–1879, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23523

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