Title
Broadside Coupling High-Temperature Superconducting Dual-Band Bandpass Filter
Abstract
This paper proposes a novel high-temperature superconducting dual-band bandpass filter (HTS-DBPF), that employs a broadside coupling structure, in which quarter-wavelength resonators are formed on opposite sides of each substrate. This structure provides a dual-band operation of the BPF and flexibility, in the sense of having a wide range in selecting two center passband frequencies of the HTS-DBPF. This paper employs the ratio of the lower and higher center passband frequencies, a, as a criterion for evaluating the flexibility. The obtained a ranges are from 1 to 4.7, which are the widest for DBPFs for mobile communications applications, to the best knowledge of the authors. This paper presents a 2.4-/2.9-GHz band HTS-DBPF, as an experimental example, using a YBCO film deposited on an MgO substrate. The measured frequency responses of the HTS-DBPF agree with the electromagnetic simulated results. Measurement and simulation results confirm that the proposed filter architecture is effective in configuring a DBPF that can set each center passband frequency widely.
Year
DOI
Venue
2013
10.1587/transele.E96.C.1033
IEICE TRANSACTIONS ON ELECTRONICS
Keywords
Field
DocType
bandpass filters, dual-band, resonator filters, broadside coupling, high-temperature superconducting, YBCO
Broadside,Superconductivity,Coupling,Band-pass filter,Optics,Electronic engineering,Engineering,Multi-band device
Journal
Volume
Issue
ISSN
E96C
8
1745-1353
Citations 
PageRank 
References 
0
0.34
0
Authors
4
Name
Order
Citations
PageRank
Yuta Takagi100.68
Kei Satoh2263.91
Daisuke Koizumi301.01
Shoichi Narahashi458.14