Title :
Control of bandstop response of Hi-Lo microstrip low-pass filter using slot in ground plane
Author :
Abdel-Rahman, Adel B. ; Verma, Anand K. ; Boutejdar, Ahmed ; Omar, A.S.
Author_Institution :
Commun. & Microwave Eng. Dept., Univ. of Magdeburg, Germany
fDate :
3/1/2004 12:00:00 AM
Abstract :
This paper examines the effect of the geometrical shapes of a defected ground-plane structure (DGS) slot on performance of the Hi-Lo microstrip low-pass filter (LPF). A three-pole LPF based on an arrowhead DGS slot has 67% less length as compared to a conventional three-pole LPF. It has insertion loss of 0.5 dB and 15-dB rejection in the stopband up to three times the cutoff frequency.
Keywords :
band-stop filters; computational electromagnetics; low-pass filters; microstrip filters; photonic band gap; Hi-Lo microstrip low-pass filter; arrowhead slot; bandstop response control; defected ground-plane; electromagnetic simulation; filter performance; geometrical shapes; insertion loss; photonic bandgap; slot in ground plane; three-pole filter; Circuit simulation; Cutoff frequency; Helium; Inductance; Insertion loss; Low pass filters; Microstrip filters; Microwave filters; Optical losses; Shape;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.2004.823587
