1. Department of Electronic Engineering, NED University of Engineering & Technology, Karachi 75270, Pakistan
2. Electronic Design Center, Department of Electronic Engineering, NED University of Engineering and Technology, Karachi 75270, Pakistan
3. Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
4. Faculty of Engineering Sciences, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi, Swabi 23640, Pakistan