Arjuna A.

• Designing of circuit Schematic using ORCAD 16.6,Altium and Mentor graphics and KICAD Firmware(Embedded C) writing for TI chips, NXP, Analog devices and arduino products. • Designing calculation and testing of power converters, analog circuits, Digital circuits high speed interface RF front ends and medical devices. Working on POE,POE+, USB PD and POE power delivered design and testing • Simulation on LTspice, PSPICE, Multisim for power and analog circuits. • PCB Footprint Verification, High speed and mixed signal PCB routing verification, Prepare a PCB routing guidelines for Power, high speed, mixed signal and RF signals with proper material selection. • Designing of high frequency transformer • Design the architecture and block diagram using MS VISIO and MS office power point. • Circuit design testing, validation and debugging. • Working on multicore DSP+ARM keystone II processors. • Design and testing on telecom base band boards. • Working on FPGA without integrated CPU family’s virtex and kintex. • Working on SPI, I2Cprotocol, USB 3, USB 2.0, UART , USB to UART,RS232, RS485 and RS422 and related hardware design. • Design and working on analog circuits, opamps circuits like PID controller, inverting and non- inverting, Comparator, opamp voltage and current regulator, Schmitt trigger, active filter, log and antilog amplifier ,adder circuit, differential ended to single ended converter and audio amplifiers, peak detector circuit, clamping and clipping circuit, precision rectifiers, sample and hold circuits corresponding suitable components selection. • Design, calculation and testing of Buck, boost, buck-boost, flyback converters with suitable component selection. • Full bridge and half bridge Inverter circuit design with suitable component selection with testing. Design and selection of mosfet’s driver circuit. • Design and testing on transistors, Mosfet’s, diodes and IGBT for Battery chargers. BJT and mosfet’s for signal switching circuits, relay switching and LED switching. • Designing and testing of Snubber for switching circuits. Designing circuits for under voltage trip, over temperature trip, over voltage and over current protection, inrush current limiter circuit. • Design the filter circuit for EMI and EMC differential and common mode noises. Designing circuit for transient voltage suppressor. • Worked on BLDC motor control using full bridge inverter. • Design and working on LI ion and LI polymer batteries charging and discharging Battery management control