TY - JOUR
T1 - Microstrip bandpass filters using cross-shaped triple-mode resonator
AU - Tu, W. H.
PY - 2010/9
Y1 - 2010/9
N2 - Compact three-pole microstrip bandpass filters (BPFs) are presented. The basic block is a triple-mode resonator that consists of a conventional half-wave resonator, a shunt open-circuited stub and a shunt short-circuited stub. The half-wave resonator, the shunt open-circuited stub and the shunt short-circuited stub control each of the first three resonant frequencies. Then, two BPFs using the resonator are designed, fabricated and tested to validate the design concept. For the narrow-band BPF, from 2.4 to 2.6 14 GHz, the measured return loss is greater than 15 14 dB and the measured insertion loss is less than 1.7 14 dB. For the broadband one, from 1.25 to 3.9 14 GHz, the measured return loss is greater than 12 14 dB and the measured insertion loss is less than 1.5 14 dB. The group delay variation is 0.45 14 ns.
AB - Compact three-pole microstrip bandpass filters (BPFs) are presented. The basic block is a triple-mode resonator that consists of a conventional half-wave resonator, a shunt open-circuited stub and a shunt short-circuited stub. The half-wave resonator, the shunt open-circuited stub and the shunt short-circuited stub control each of the first three resonant frequencies. Then, two BPFs using the resonator are designed, fabricated and tested to validate the design concept. For the narrow-band BPF, from 2.4 to 2.6 14 GHz, the measured return loss is greater than 15 14 dB and the measured insertion loss is less than 1.7 14 dB. For the broadband one, from 1.25 to 3.9 14 GHz, the measured return loss is greater than 12 14 dB and the measured insertion loss is less than 1.5 14 dB. The group delay variation is 0.45 14 ns.
UR - http://www.scopus.com/inward/record.url?scp=77957151675&partnerID=8YFLogxK
U2 - 10.1049/iet-map.2009.0364
DO - 10.1049/iet-map.2009.0364
M3 - 期刊論文
AN - SCOPUS:77957151675
SN - 1751-8725
VL - 4
SP - 1421
EP - 1426
JO - IET Microwaves, Antennas and Propagation
JF - IET Microwaves, Antennas and Propagation
IS - 9
M1 - IMAPCH000004000009001421000001
ER -