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FEASIBILITY OF TUNABLE AMPLIFIER AND BANDPASS FILTER FOR MOBILE HANDSETS USING ACTIVE INDUCTOR CIRCUITS

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Abstract:

In this paper active inductor circuits are employed to assess their suitability for providing a tuning function in GaAs MMIC circuits. The specifications for a mobile handset amplifier and a bandpass filter operating from a 3 V supply rail are used as test vehicles. The design and simulation of the circuits employs a low-cost commercially available low pinch-off GaAs MESFET process. The suitability of active inductors for tuning in such applications considers issues such as frequency tuning range, noise, power consumption and stability.

Keywords: Active inductors; GaAs MESFET; MMIC

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/08827510214372

Affiliations: Etisalat College of Engineering, P.O. Box 980, Sharjah, UAE

Publication date: January 1, 2002

tandf/gape/2002/00000025/00000004/art00004
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