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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Demonstration of a tunable RF MEMS bandpass filter using silicon foundry process

Li, L. and Uttamchandani, D.G. (2009) Demonstration of a tunable RF MEMS bandpass filter using silicon foundry process. Journal of Electromagnetic Waves and Applications, 23 (2-3). pp. 405-413. ISSN 0920-5071

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Abstract

A novel tunable microwave filter with tuning range of 13.8 GHz to 18.2 GHz fabricated using a standard silicon foundry process based on lowresistivity silicon substrate is reported. The filter effect has been realized by integrating two interdigitated comb capacitors with a straight line inductor. The tuning effect has been achieved by varying the capacitance value of the capacitors with a bimorph MEMS actuator. The structure in whole, measuring 1.5 mm × 3.3 mm, allows 27.5% continuous tuning and insertion loss ranging from 3.4 to 6 dB. The driving voltage ranges from 0 V to 0.36 V.