Open Science Research Excellence
M. Boulakroune and  M. Challal and  H. Louazene and  S. Fentiz,  Design and Synthesis of Two Tunable Bandpass Filters Based On Varactors and Defected Ground Structure.   journal   = {International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2015, vol. 99(3). 320 - 324[viewed 21 April 2019]. Available from: http://waset.org/publications/10000735.