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Novel Microwave Negative Capacitance. Application to a Wide-Range Tunable Capacitance

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3 Author(s)
Kolev, Svilen ; ENSEA-EMO, Cergy-Pontoise, France ; Delacressonniere, B. ; Gautier, J.-L.

In this paper we propose an active broadband MMIC circuit simulating a negative capacitance. It is based on a Negative Impedance Converter (NIC). A prototype has been fabricated using 0.25 ¿m pHEMT technology. The measurement results are good. We propose the application of this circuit for the design of a tunable capacitance with a wide tuning range and for the design of a low-loss capacitance multiplier.

Published in:

Microwave Conference, 2000. 30th European

Date of Conference:

Oct. 2000