K.C. Selvam was born on 2nd April 1968 in Krishnagiri district of tamil nadu state, India. He obtained Diploma in electronics and communication engineering from government polytechnic college, Krishnagiri, Tamil Nadu, India in 1986. He was graduated by the Institution of Electronics and Telecommunication Engineers, New Delhi, in the year 1994. He is doing research and development work from last 30 years and has published more than 34 research papers in various national and international journals. He got best paper award by IETE in the year 1996. He got students journal award of IETE in the year 2017. He developed India's first sleek and compact size transformer less multichannel auto scanning digital panel meters. At present he is working as a scientific staff in the Department of Electrical Engineering, Indian Institute of Technology, Madras, India. He developed interest in design and development of function circuits to find their applications in modern measurements and instrumentation systems.

1 Basic Concepts and Components 2 Conventional Multipliers 3 Time Division Multipliers (TDMs): Multiplexing 4 Peak Responding Multipliers: Multiplexing 5 Time Division Multipliers (TDMs): Switching 6 Peak Responding Multipliers (PRMs): Switching 7 Pulse Position Responding Multipliers (PPRMs) 8 Peak Responding Multipliers with V/T and V/f Converters