Discretely tuned RF-MEMS bandstop filter with wide tuning range and uniform high rejection
- Llamas-Garro, I.
- Brito-Brito, Z.
- Pradell, L.
- Giacomozzi, F.
- Colpo, S.
Publication date
January 2012
DOI Publisher
Institution of Engineering and Technology (IET)Abstract
A new bandstop filter is presented providing a two-state discrete wide tuning range from 20 to 30GHz with the same high rejection level of 36dB. In the design, metal-insulator-metal capacitors are placed on one end of the resonators and on the other end capacitive micro-electromechanical systems (MEMS) switches are used to discretely tune the centre reject band of the filter. © 2012 The Institution of Engineering and Technology
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