R Sivakumar joined Bharat Electronics in 2001 after completing graduation in Electronics & Communication Engineering from Tamil Nadu. In BEL he was involved in design and development of VHF and UHF radio modules, Synthesizers for SAT-com RT, and Mobile Jammers. He joined Sony Ericsson Mobile communication in 2008 as Senior RF Engineer. He served Honeywell Technologies as Technical Lead in 2010. His main research interest is in efficient Phase Locked Loop (PLL) design. Presently he is working in Product Development and Innovation Centre, BEL for the design and development of wide band Receivers, modules & sub systems for Radar and EW systems and Super components.