Title :
X-band RF MEMS tuned combline filter
Author :
Nordquist, C.D. ; Goldsmith, C.L. ; Dyck, C.W. ; Kraus, G.M. ; Finnegan, P.S. ; Austin, F., IV ; Sullivan, C.T.
Author_Institution :
Sandia Nat. Labs., Albuquerque, NM, USA
Abstract :
A three-pole combline filter tuning from 8.2 to 11.3 GHz using RF MEMS switched capacitors is reported. This structure, measuring 2.85×2.15 mm2, allows 31% tuning with 11% 3 dB bandwidth for the four tuning states and insertion losses ranging from 4.4 to 6 dB.
Keywords :
circuit tuning; comb filters; micromechanical devices; microstrip filters; microstrip resonators; microwave filters; switched capacitor filters; 4.4 to 6 dB; 8.2 to 11.3 GHz; RF MEMS switched capacitors; X-band RF MEMS tuned combline filter; insertion losses; microelectromechanical system; microstrip resonators; three pole combline filter tuning; tuning states;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20057375
