NDLI: A W-band cascaded double-stage distributed low-noise amplifier using feedback transmission line

Content Provider	IEEE Xplore Digital Library
Author	Tung The Lam Nguyen Sung-Woon Moon Sung-Ho Jung Min Han Jin-Koo Rhee Sam Dong Kim
Copyright Year	2010
Description	Author affiliation: Millimeter-wave Innovation Technology research center (MINT), Dongguk University, 26, 3-ga, Pil-dong, Jung-gu, Seoul, Korea (Tung The Lam Nguyen; Sung-Woon Moon; Sung-Ho Jung; Min Han; Jin-Koo Rhee; Sam Dong Kim)
Abstract	We propose a W-band low-noise Amplifier (LNA) with flat moderated gain, low noise figure and high stability by using feedback effects in cascaded double-stage distributed amplifiers. 0.1 µm gate length InGaAl/InAlAs/GaAs metamorphic HEMTs with two fingers of a 30-µm gate width are used for a W-band LNA model in the design and simulation. A three-stage cascaded distributed amplifier utilizing feedback transmission line is described as well. The amplifier shows a small signal gain of 13 ± 0.9 dB and noise figure lower than 4.5 dB in a frequency range of 78–102 GHz, an input return loss (S) of −21 dB and an output return loss (S) of −16 dB at 94 GHz.
Starting Page	382
Ending Page	385
File Size	1290718
Page Count	4
File Format	PDF
ISBN	9781424475902
e-ISBN	9784902339215
e-ISBN	9781902339222
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-07
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	IEICE Institute of Electronics Informati
Subject Keyword	Europe Logic gates mHEMTs Topology MMICs Coplanar waveguides Gallium arsenide MHEMT Broadband amplifiers distributed amplifiers feedback amplifiers MMIC amplifiers
Content Type	Text
Resource Type	Article

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