A Novel Tap Input Coupling Structure for a Narrow Bandpass Filter using TM010 Mode of a Microstrip Circular Disk Resonator

Article


Yeo, Kenneth S.K. and Lancaster, Michael J. 2002. A Novel Tap Input Coupling Structure for a Narrow Bandpass Filter using TM010 Mode of a Microstrip Circular Disk Resonator. IEEE Trans. Microwave Theory and Technique. 50 (4), pp. 1230-1232.
AuthorsYeo, Kenneth S.K. and Lancaster, Michael J.
Abstract

This paper discusses a new method to couple into the TM010 mode of a microstrip circular-disk resonator. This method can achieve reasonably strong input coupling, which is useful for narrow-band filters with fractional bandwidths of approximately 0.5% and above. A comparison between this newly proposed input coupling structure and the conventional gap input coupling structure will be addressed. A decision threshold for using either the tap input or the conventional gap-coupled input is also explained. Experimental results of a filter fabricated using this novel input coupling structure is also presented

KeywordsDisk resonator; filter; HTS
JournalIEEE Trans. Microwave Theory and Technique
Journal citation50 (4), pp. 1230-1232
ISSN0018-9480
Year2002
Publisher's version
License
CC BY-ND
Web address (URL)http://dx.doi.org/10.1109/22.993431
http://hdl.handle.net/10552/816
Publication dates
Print2002
Publication process dates
Deposited30 Jun 2010
Additional information

Citation:
Yeo, K.S.K and Lancaster, M.J. (2002) "A Novel Tap Input Coupling Structure for a Narrow Bandpass Filter using TM010 Mode of a Microstrip Circular Disk Resonator", IEEE Trans. Microwave Theory and Technique, 50 (4) 1230-1232.

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