Beach, MA

Carey-Smith, BE

Warr, PA

This paper describes a discretely tunable filter topology based on lumped-distributed coupled transmission-lines, particularly suitable for micro-electro-mechanical systems switching devices. This topology is capable of simultaneous wideband centre-frequency and bandwidth tuning. Low fractional bandwidths can be achieved without the need for large coupled-line spacings due to the anti-phase relationship of the lumped capacitive and distributed electro-magnetic coupling coefficients. Both simulated and measured results are presented and discusse

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MEMS-driven flexible filters for cognitive radio

https://research-information.bris.ac.uk/files/3004542/carey_IST_2005.pdf

MEMS-driven flexible filters for cognitive radio

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