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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 12    
Website: http://www.ijser.org
scirp IJSER >> Volume 2, Issue 12, December 2011
Design of Narrow Band Reject Filter
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Author(s)
Nitesh kumar, namarta sahayam
KEYWORDS
Microstrip Line, Band stop filter(BSF),open stub
ABSTRACT
Microstrip filters are widely used in microwave circuit, This paper briefly describes the design principle of microstrip band stop filters. This paper presents novel millimeter wave filter structures by creation of some slots on the strip. This paper presents the design and simulation of a narrow band stop filter using microstrip which is designed to have a central frequency of 1.273 GHz which provides and improved bandwidth of 869MHz with return loss of -57.07db and another cutoff frequency obtained at 2.7Ghz with return loss of -22db. The simulation is done using the commercial software
References
[1] Jia-shang hong “microstip dual mode band reject filter”.

[2] Ru-Yuan Yang, Min-Hung Weng, Cheng-Yuan Hung,Han-Jan Chen, and Mau-Phon Houng “Novel Compact Microstrip Interdigital Bandstop Filters”IEEE transactions on ultrasonics, ferroelectrics, and frequency control, vol. 51, no. 8, august 2004.

[3] Jia-Sheng Hong and Michael J. Lancaster, , “microwave filters for RF/Microwave applications” john willy & sons. ISBN 0-471-22161-9.

[4]. D.M. Pozar ""Microwave Engineering"" John- Wiley,p. 668, 1998.

[5]. Jia-Sheng Hong and Michael J. Lancaster, “Theory and Experiment of Novel Microstrip Slow-Wave Open-Loop Resonator Filters”, IEEE Transactions on Microwave Theory and Techniques, Vol. 45, No. 12, December 1997.

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