Prashant Singh Sengar Email & Phone Number

Los Angeles, CA, US

• Design and Development of Wireless Embedded System for consumer electronics. It includes Product design, System Architecture (Analog & Digital circuits), Hardware design and development, Component selection and.
• Extensively utilized OrCAD for Schematics and PCB design. Analog circuit simulations were carried out in LTSpice.
• Used NXP ARM processor (up-to 400MHz) with SDRAM DDR2 and NAND Flash to design capacitive touch TFT LCD.
• Used TI’s Dual Band Wireless MCU (ARM Cortex M-4) for Controller board design which includes Motor driver, accelerometer, IR thermometer, Power section, Battery charger, Reverse polarity protection and other peripherals.
• Performed Power board design (Power Budgeting, efficiency calculations, analysis, polarity protection)
• Collaborate with Firmware Engineers.

Marlborough, MA, US

• Worked on development of next gen. RF Ablation device. Performed schematic design, circuit design reviews, Worst-case circuit simulations, component selections, PCB design reviews, isolation power supply design, power.
• EMC/EMI and Co-existence Testing for product compliance, regulatory body submissions (FCC, CE, RED) across geographies for existing and new products.
• Worked with cross functional teams for 60601-1, 1-2, 2-2 compliance testing, performed RF test setups at internal and external labs, product/system requirement verification, characterization, data processing/analysis.
• Worked on wireless chargers for neuromodulation implantable devices to optimize the Transmitter’s power to meet the FCC SAR limits. Characterized RF coils for matching and integration with existing chargers.
• Resolved multiple EMC/EMI testing failures seen on an existing product and newly developed product prototype PCBAs.
• Worked with manufacturers for PCB assemblies, system assemblies, cost optimization by component selection, EOL component replacement characterization and verification.

Abbott Park, Illinois, US

• Component selection for design and development of Analog and Digital circuits of Pacemakers & ICDs. Circuit Simulations, Worst Case circuit analysis and Component equivalent circuit modelling.
• Specified components, on board implementation and qualification through characterization and verification.
• Design included RF PCBs, modification and enhancement for efficient component characterization on test stations.
• Schematic designs, reviewed Implantable PCBs and assemblies impacted by EOL components and BOM management of multiple products.
• Performed rigorous analysis on the characterization data to qualify the components for maximum yield in manufacturing.
• Performed FMEA, Risk assessment, Impact assessment and Product verification testing for component replacement projects.

Simi Valley, CA, US

• Designed and develop 800W Servo motor controller (DSP+ Power+ Gate drive board) for Military applications.
• Designed, developed Embedded Test Equipment which performs automated test on multiple Motor Controller boards.
• Projects included Analog and Digital circuit design (DSP, ADCs, DACs, EMI/Filters, Op-amps, ESD), DC-DC power supply design with Inrush, Current sensing, Modulators, Communication, Simulations & Worst-Case analysis.
• Created Schematics, PCB design (6-layers) in OrCAD + PCB Fab (BGA, SMT, blind vias, Al2O3 substrates, flex), BOM generation. Selected components performed analysis. Design Control Input/ Output.
• Proposed design and modified existing products (DSP Boards/ IO Boards, Gate/ Power drives) for power efficiency, digital signaling compatibility, form factor, cost reduction and performed component reliability (per.
• Test flow sequence/algorithm for embedded test equipment development.

Los Angeles, California, US

• Worked with product development team to modify the Transcranial Doppler’s IO Board to include USB 3.0 interface, current limiter circuit and Audio amplifier circuit.
• Designed, simulated and analysed current limiter, Audio amplifier and USB power circuits in Altium Designer.
• Re-designed the PCB board (6 layers) to include the above-mentioned circuit modules. Performed component selection, BOM/ Schematic documentation and FAB/PCB data generation

Minneapolis, MN, US

• Characterization & System verification of Glucose Sensor Transmitter (2.4GHz) devices. Selected and characterized Li-ion Batteries for C-rates/ E-rates, state of charge, cycle life, float voltage and compatibility.
• Reviewed Analog and Digital Circuits/Schematics of Glucose Sensor Recorder & Transmitter devices. Selected and replaced end of life components, performed debugging, Failure/ Root Cause Analysis on failed returned.
• Performed Worst-Case circuit analysis with selected replacement components for the prototype devices. Wrote the protocols/plans and performed EMC/EMI Compliance testing.
• Developed fixtures (PCB & switch matrix), designed Testing method validation (TMV) for verification protocols.
• Wrote Python Scripts to simulate the Insulin Pump RF communication (2.4GHz) for Glucose Sensor Transmitters.

San Diego, CA, US

• Receiver Calibration and Characterization of the newly developed multi-mode multi-band RF SoC using VSA, Spectrum Analyzer, DMM & LabVIEW. Performed debugging on chip level & wrote delta scripts for registers/ADCs.
• Worked closely with the designers to verify the performance of Mixed Signal modules including LDO regulators, local oscillator, PLL, ADCs and Wireless modules in Isolation Chamber.
• Reviewed LNA designs in Cadence Virtuoso, circuit simulations using HSPICE & Scripts generated using MATLAB.
• Performed data extraction of Dies (ICs) on wafer using ATE (Teradyne UFLEX/ Agilent 93K), Device under test (DUT) on RF Test Bench over PVT and processed/ analyzed large volumes of data using Python scripting.
• Created automated test sequences to measure linearity (IP2, IP3), Large signal Noise figure, small signal Noise figure, Phase Noise, Gain, DC bias, LO current, LDO voltage, lock time, S-parameters and presented them in.
• Correlated RF measurements on Test Bench and ATE to facilitate production testing.

Jacksonville, FL, US

•  Embedded Controller development for portable light source (Rover III) used with Medical Endoscopes.
• Designed & implemented a DC-DC Buck Power Supply, Microcontroller system using PIC12LF with its peripherals to control illumination of LED array using PWM. (Designed PCBs in Altium13, Programmed in C).
• Worked with seniors to modify the legacy circuit boards to interface new components complying with IEC 60601. Performed Product design, BOM, V&V tests. Investigated the returned products for its functionality, created.

Miami, FL, US

• 1. PATENT: US 7,963,590 B2 (6/21/11): Integrated Features Module Mirror System for Vehicle (Inventor: K. Schmahl).
• Developed & delivered an Analog/Embedded electronic system for Integrated Features Module Mirror System which has precise vertical translation of side rear-view mirrors including a Full Duplex Communication System.
• Designed PCBs in Altium13 to control & interface actuators (Stepper Motors) with ATmega168 Microcontroller & a wired full duplex Communication System using OpAmps for Voice & Audio amplification.
• Realized a wireless 2 channel Communication system using TI CC8521- RF SOC & a DC power regulator Circuit. 2. High Frequency LNA for a custom RF transceiver (RF Circuit design).
• Designed & implemented a High frequency, Low Noise Amplifier (LNA) on Microstrip lines, working at frequency range of 1 GHz - 2.5GHz with 10 dB Gain using Motorola MRF901 NPN Silicon IC.
• Worked out the designing process, S-parameters, VSWR, stability, Gain, Matching, Pi networks, Linearity IP3, IP2.

Mumbai, Maharashtra, IN

• Satellite IR Cameras for Indian Space Research Organization:
• Investigated the Impact of Annealing on the Optical, Electrical & Spectral characteristics of InAs/GaAs based Nano-Scale Quantum Dots for INSAT IR cameras.
• Designed and verified the Mixed-Signal ASIC using Mentor Graphics tools (ModelSim, Design Architect, ICFlow, Calibre & OVM) for the fabricated InAs/ GaAs based Quantum Dot IR devices (CCD Camera devices).
• Developed an AM3354 ARM Cortex Processor Embedded system to retrieve & process the signals from IR devices.

Mumbai, Maharashtra, IN

• Scientific Testing System:
• Scientific Testing System: Successfully Implemented & published a Testing System which measure primary and secondary wave velocity in soil & rock sample using Piezoceramic transducers at freq. 0.5-40KHz, 500KHz-1MHz.
• Designed & Developed 4 Embedded circuits to build a Data Acquisition Board using ATmega32 Microcontroller with 4 external ADS805 ADCs, 4 CY7C199 SRAM, counters & a XBee-Pro wireless module for data transfer.
• Designed & Developed 8 Analog circuits to interface piezoceramic transducers with signal/ pulse generator using Xr2206 VCO IC, 4 band-pass filters, 4 instrumentation amplifiers, buffers and power supply.
• Implemented a Single channel, 100 MSPS Digital Oscilloscope using FPGA (Pluto), RS-232 port & 100MHz Flash DAQ.
• 24 PCBs were designed by me in Eagle and OrCAD software. Utilized LabVIEW for signal storage & analysis.

Navi Mumbai, Maharashtra, IN

Analogy of an Electrical power factor monitoring & controlling system. (Analog / Embedded circuit design)- Led a team of 4 to implement a small scale analogy of electrical power factor monitoring & controlling system for Reliance Power (Infrastructure) Ltd. We were able to maintain the power factor of 93% with ±5% fluctuation of the developed system.- The.

Mumbai, IN

• Division of Remote Handling & Robotics:
• Assisted Proteomics Microarrayer group meet pressing deadlines by completing a GUI for a 3 axis Spot Picker Robot using LABVIEW.
• Created 6 Virtual instrument to interface 4 actuators & Sensors with their drivers and PCI using serial communication.
• Programmed 3 NI-DAQ boards using NI-DAQmx and tested 3 LabVIEW GUIs for their functionality with the new developed system.
• Learned Analog & Embedded circuit designing, Digital Signal Processing using Matlab/ Simulink, CAN bus transmission system and Motion Sensor interfacing for control systems.- IEEE paper link.

Master Of Science (Ms), Electrical, Electronics And Communications Engineering

Control Theory, Embedded Systems, Instrumentation

Bachelor Of Engineering (Be), Electrical, Electronics And Communications Engineering