Microstrip open-loop ring bandpass filter using open stubs for harmonic suppression Conference Paper

abstract

• Improved harmonic suppression is achieved by adding small shunt open stubs to a conventional open-loop bandpass filter. A design curve for the shunt open stub is derived using the ABCD matrix calculation. The insertion loss of the four-pole filter is 3 dB at 1.8385 GHz, and the return loss is better than 10 dB within 1.7935-1.8835 GHZ. The suppression of the modified filter is better than 30 dB below 1.7 GHz and between 2-6 GHz, while the conventional filter shows a spurious passband at 3.7 GHz. 2006 IEEE.

name of conference

• 2006 IEEE MTT-S International Microwave Symposium Digest

authors

• Michalski, Krzysztof

published proceedings

• 2006 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-5

author list (cited authors)

• Tu, W., Li, H., Michalski, K. A., & Chang, K.

citation count

• 12

complete list of authors

• Tu, Wen-Hua||Li, Huifeng||Michalski, Krzysztof A||Chang, Kai

publication date

• January 2006

publisher

• Institute of Electrical and Electronics Engineers (IEEE)  Publisher

published in

• IEEE MTT-S International Microwave Symposium digest. IEEE MTT-S International Microwave Symposium  Journal

keywords

• Harmonic Suppression
• Open-loop Bandpass Filter
• Ring Filter

Digital Object Identifier (DOI)

• 10.1109/MWSYM.2006.249543

International Standard Book Number (ISBN) 13

• 978-0-7803-9541-1

start page

• 357

end page

• +

URL

• http://dx.doi.org/10.1109/mwsym.2006.249543