Compact dual-mode elliptic-function bandpass filter using a single ring resonator with one coupling gap

Electronics Letters

Volumn 36, Issue 19, 2000, Pages 1626-1627

  Hsieh, Lung Hwa ^a   Chang, Kai ^a  

^a TEXAS A AND M UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BANDWIDTH; INSERTION LOSSES; MICROWAVE FILTERS; RESONATORS;

COUPLING GAPS; SINGLE RING RESONATORS;

BANDPASS FILTERS;

EID: 0034648534     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20001172     Document Type: Article

References (5)

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2. GOPALAKRISHNAN, G.K., and CHANG, K.: 'Novel excitation schemes for the microstrip ring resonator with lower insertion loss', Electron. Lett., 1994, 30, (2), pp. 148-149
3. HONG, J.S., and LANCASTER, M.J.: 'Bandpass characteristics of new dual-mode microstrip square loop resonators', Electron. Lett., 1995, 31, (11), pp. 891-892
4. ZHU, L., and WU, K.: 'A joint field/circuit model of line-to-ring coupling structures and its application to the design of microstrip dual-mode filters and ring resonator circuits', IEEE trans. Microw. Theory Tech., 1999, 47, (10), pp. 1938-1948
5. IE3D Version 6.1, Zeland Software Inc., August 1998