Staff Members - Benha University
Lowpass Filter with Sharp Roll off Factor Using Open Circuit Stubs and Modified π-Defected Ground Structure
2nd International Conference on NEW PARADIGMS IN ELECTRONICS& INFORMATION TECHNOLOGY (PEIT'013), Luxor, Egypt • 2020
Publication Information
Authors
I.M. Barseem, D.A. Salem, A.S. Mohra
Keywords
microstrip, lowpass filter, rolloff, defected ground structure, open circuit stub, GSM
Journal
2nd International Conference on NEW PARADIGMS IN ELECTRONICS& INFORMATION TECHNOLOGY (PEIT'013), Luxor, Egypt
Publisher
Not Available
Volume
1
Issue
1
Pages
Not Available
publication.type
Local
Paper Link
Not Available
Supplementary Materials
Not Available
Abstract
A lowpass filter with a very sharp rolloff factor of (70.18dB/GHz) , using modified defected ground structure
(-DGS) and open circuit stubs is described. The lowpass filter was designed at a cutoff frequency of 2.67
GHz, which is suitable for GSM900, GSM1800 and UMTS applications of mobile communications. The
proposed lowpass filter provides a size of 30x28x0.78 mm3, and have a good transition band with a good
performance in the passband and it has a wide rejection band up to 11.0 GHz plus harmonic suppression in the
stopband. Measurement results show good agreement with the simulated ones
(-DGS) and open circuit stubs is described. The lowpass filter was designed at a cutoff frequency of 2.67
GHz, which is suitable for GSM900, GSM1800 and UMTS applications of mobile communications. The
proposed lowpass filter provides a size of 30x28x0.78 mm3, and have a good transition band with a good
performance in the passband and it has a wide rejection band up to 11.0 GHz plus harmonic suppression in the
stopband. Measurement results show good agreement with the simulated ones