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IEICE TRANSACTIONS on Electronics

An Ultra Low Noise 50-GHz-Band Amplifier MMIC Using an AIGaAs/InGaAs Pseudomorphic HEMT

Takuo KASHIWA, Takayuki KATOH, Naohito YOSHIDA, Hiroyuki MINAMI, Toshiaki KITANO, Makio KOMARU, Noriyuki TANINO

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Summary :

An ultra low noise 50-GHz-Band amplifier (LNA) MMIC has been developed using an AlGaAs/InGaAs pseudomorphic HEMT. A noise figure of 1.8 dB with an associated gain of 8.1 dB is achieved at 50 GHz. The noise figure is less than 2.0 dB from 50 GHz to 52.5 GHz. This is the state-of-the-art noise figure for low noise amplifiers around 50 GHz. The success of this LNA development came from the excellent HEMT and MMIC technologies and the accurate modeling of active and passive elements. Good agreement between measured and simulated data over the band from 40 GHz to 60 GHz is obtained.

Publication
IEICE TRANSACTIONS on Electronics Vol.E78-C No.3 pp.318-321
Publication Date
1995/03/25
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Electromagnetic Theory

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