Abdelhafid B.

1-Design, optimization and realization of new compact Bandpass Filter using DMS-DGS technique for wireless communication systems 2- A new design of reconfigurable filter resonator using PIN Diode for ISM and 4G applications 3- 4-bit digital control IMOS varactor for tunable RF systems 4- Design and optimization of CMOS varactor 0.18 um for RF systems using cadence virtuoso 5- Improved design of a compact microstrip band pass filter using DMS slot for RF applications 5- Compact structure design of bandpass filter using rectangular resonator and integrated capacitor for wireless communicatios systems 6- RF tunable resonator circuit based on inversion MOS varactor using 0.25 um CMOS technolog. 7- Design of Control PCB based on Arduino, Microcontroller and FPGA Device 8- Design and improvement of Smart Analog and Digital components.