Hendou, SidahmedBoualia, MohamedChallal, M. (supervisor)2022-06-232022-06-232019https://dspace.univ-boumerdes.dz/handle/123456789/965745 p.This work presents a study and design of a microstrip low pass filter (LPF), The proposed LPF has acceptable performances in terms of insertion loss,high return loss in the pass-band, wide stop- band at 20 dB suppression level ranging from 1.78 GHz to more than 20 GHz and size of 40x18mm2 compared to previous published works.enDGSLPSlow pass filterThesis