P.Raja is presently working as an Associate Professorin the Department of Electronics and Communication Engineering, Sri ManakulaVinayagar Engineering College, Pudhucherry. He graduated in ECE from Universityof Madras and secured his M.Tech from I.I.T – Madras, Chennai. He is inteaching profession for more than a decade now. He has authored number ofTextbooks for UG level of various Universities. He is a life member of ISTE.His main area of interest includes Electronic Circuits, Digital Electronics,and Microprocessor and its Applications.