Design of dual-mode dual-band bandpass filter with independently tunable bandwidths and reconfigurable filtering characteristics
Küçük Resim Yok
Tarih
2017
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Institute of Electrical and Electronics Engineers Inc.
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
In this paper, design of a tunable dual-mode dualband microstrip bandpass filter is presented. The designed filter is constructed by using two nested dual-mode resonators (DMRs) having two patch capacitances located at the lateral arms of the resonators as reference elements. Varactor diodes are used instead of perturbation elements in order to excite the degenerate modes. Linear phase and quasi elliptical filtering characteristics can be independently obtained in each passband and the band-widths can also be tuned at both filtering characteristics. For the experimental verification of the designed structure, a dual-mode dual-band microstrip bandpass filter was fabricated and measured. Center frequencies of the passbands were adjusted to 1.78-2.65 GHz and 1.83-2.7 GHz for linear phase and quasi elliptical filtering characteristics, respectively. Insertion losses in each passband were observed as better than 3 dB in measurements. © 2017 IEEE.
Açıklama
2017 IEEE MTT-S International Microwave Symposium, IMS 2017 -- 4 June 2017 through 9 June 2017 -- Honololu -- 131000
Anahtar Kelimeler
Bandpass filter, Dual-band, Dual-mode, Reconfigurable filtering characteristics, Tunable bandwidth, Varactor
Kaynak
IEEE MTT-S International Microwave Symposium Digest
WoS Q Değeri
Scopus Q Değeri
N/A
