This paper exhibits a new compact high selective gap band pass filter designed for the 5 GHz WiMAX service. The filter is based on fourth order coupling of coupled gap composite right left handed transmission line resonators. The resonators are designed to demonstrate a zeroth order mode at the passband center frequency for filter size reduction. The filter has a compact size 2020 mm2. The design concepts of the coupled filter response are discussed and verified using full electromagnetic full wave simulations and confirmed by experimental measurements with good agreements. The results confirm that the filter has 1.5 dB insertion loss and better than-25 transmission zero. 2015 IEEE.
Hammad Y.T.; Fouda Z.K.; Abdalla M.A.(Institute of Electrical and Electronics Engineers Inc., 2017)
This paper introduces an ultra-wide band (UWB) band pass filter (BPF) with a coupled T-shaped stub. The filter's lower cut-off frequency and higher cut-off frequency are around 3.2 GHz and 9.7 GHz respectively. Moreover, ...
Hammad Y.T.; Abdalla M.A.; Daw A.F.(Institute of Electrical and Electronics Engineers Inc., 2018)
In this paper a sharp compact stopband filter is introduced based on unbalanced dual composite right left handed D-CRLH unit cell. The designed stop band can be used to suppress any undesired signals in WLAN frequencies. ...
Abdalla M.A.; Arafa G.; Saad M.(Institute of Electrical and Electronics Engineers Inc., 2016)
This paper presents a compact ultra-wide low pass filter based on a new configuration of metamaterial complementary split ring resonator. The resonator is etched in the top plane of the microstrip as new contribution for ...