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Tunable high-Q MMIC active filter by negative resistance compensation

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2 Author(s)
Hann-Haur Wu ; Dept. of Electr. Eng., Nat. Central Univ., Chung-Li, Taiwan ; Yi-Jen Chan

This paper describes the techniques for realizing MMIC active filter using negative resistance to compensate the loss from the spiral inductor, in order to achieve high Q-value performance. The active coupled approach and common-gate FET with an inductive feedback configuration have been used in this study. The measured response of this filter exhibits the pass-band tuning range from 1.855 GHz to 2.14 GHz with a Q-value of 100. This filter has also been characterized by digital modulation signal.

Published in:

Gallium Arsenide Integrated Circuit (GaAs IC) Symposium, 1997. Technical Digest 1997., 19th Annual

Date of Conference:

12-15 Oct. 1997

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