Shekar M Email and Phone Number

Tejas Networks - Bangalore - Karnataka - IndiaDebug Engineer09-8-2023 - Present At Tejas Networks, worked as a debug engineer and an Automation testing engineer on the BSNL 4G project, debugging online failed RRH units.To debug the RRH, performed three stages: L1, L2, and L3.Accessed internal circuit designs and used Allegro software to troubleshoot RRH and check IC connections. Performed failure analysis during the development phase and troubleshot field return issues. Identified, documented, and tracked defects using Bugzilla.Worked on BBU bring-up, including U-Boot, Linux, Ethernet (RJ45, CPRI optical interface, SGMII interface), SPI, and I2C drivers.Debugged LTE RRH issues, including power-on problems, booting issues, software errors, CLGC no power, I2C errors, and RX/TX failuresExpertise in RF testing and development of Remote Radio Heads (RRH), Baseband Units (BBU), and attenuators Skilled in managing RF test setups for various testing scenarios.Proficient in using general-purpose RF test equipment, including spectrum analyzers, mini circuits, and Tektronix devices.