Schematic capture, PCB layout in Altium for multiple PCBs (mainboard, detectors, control board) for novel electrowetting for assay testing using minute sample sizesSupply chain mitigation for component alternates, design verification/simulation with LTspiceInterfacing for manufacturing issue mitigationFDA/EMC compliance for IVD medical device certification (IEC 61326, 60601, 61010)

• Design, component selection, analysis, prototyping, completion of PCB for closed-loop ADC current to DAC voltage for quiescent power of PA GaN Vgs using micro-controller via SPI interface for control of RF PCB• Power supply design, verification, and sequencing using LTspice, LTpowerCAD, TINA TI and physical verification using Saleae Logic Pro 16 for safe operation of PA negative gate voltage and drain voltage powered via BB-2590

Schematic review of anti-vibration rotary wing systems to meet stringent military aircraft requirementsRequirements creation, review, and analysis using SPICE and DOORS toolsAnalysis of high-voltage and high-current interference with sensitive sensors for EMI mitigation

• Design of hardware, schematic, PCB, and power supply filter for RF noise and interference mitigation and power minimization for retrofit of legacy USMC border security system using LTSpice and Altium Designer• Reverse-engineering of modulation, protocols, encryption, and interference mitigation of legacy MILSPEC radio• RF mitigation, design, SPICE analysis for proposed replacement for novel shipboard multiplexed radio system

• Debug, analyze, remediate networks using Wireshark and HttpWatch over multiple media, networks, firewalls• Build, compile, support, document SSL-based GCSS-Army encryption software for Windows, RHEL, AIX via SVN

• Developed MK48 Torpedo Test system using COTS fluid sensors, ADCs, DC/AC/3phase power supplies, Arbitrary Waveform Generators, oscilloscopes using NI PXIe chassis, NI LabVIEW with PXIe/GPIB/RS422/RS485 interfaces• Utilized motor controls & analysis for 3-phase, single-phase, DC, stepper motors /controllers, low/mid-voltages• Utilized pressure transducers, temperature sensors, pressure regulators, speed encoders, and solid-state relays for stimulus and performance verification of MK48 on-board fluid and mechanical systems• Designed system/string test systems to meet NUWC requirements and performance measurements

• Developed optical test equipment for manufacturing and production of luminaires• Used DraftSight for SolidWorks SLD/STEP files for mechanical fabrication and modification of test assemblies• Performed statistical analysis for Gage R&R studies for cost, reliability, design improvements using SAS JMP

• Oversaw Zigbee/802.15.4, ANSI C12.18/19/22, RFC6142 3rd party radio interop for mesh networks• Debugged power supply and radio board power surge test failures in PCB design and/or components• Subject matter expert and test lead for ANSI, IEC and IEEE standards for Elster power meters• Scripted and automated performance testing via SQL, UNIX shell and VB scripting

• Component selection, schematic capture, PCB design, layout, board bring-up using Cadence Allegro and Mentor incorporating xDSL/MoCA/GPON protocols using high-speed digital (SerDes, GMII, PCI, PCIe, LVDS, I2C, SPI), and RF/analog (xDSL/modulation) and mixed signals• Power-over-Ethernet design modification requirements, PCB design changes, interop for Broadcom GPON ONT• PCB schematic and board design review for several products for cost, second-source, and EMI improvement and mitigation including UL 47 CFR Part 68• Telecom standards interface characterization, performance verification with MoCA, DSL, GPON standards using custom ARB generators, attenuators and IXIA / Spirent traffic simulators• MoCA system, hardware, software SME for standards body interaction and contribution; third-party compliance interfacing, inter-operability and verification for MoCA Certwave• Vector Spectrum Analyzer analysis to evaluate and modify the spectral/temporal characteristics of modulation (DMT/QAM/OFDM) performance (MoCA/xDSL), using Matlab to analyze and simulate results on FEQ, gain, BER.• SPICE simulation of analog signals for filter parameterization and alien and other noise source trace immunities• Performed, trained and led contractors and technicians for fiber and MoCA hardware characterization and debug of board and component-level performance issues and firmware/software testing using network/spectrum analyzers, time-domain reflectometers, and high-speed digital oscilloscopes• Designed, simulated, tested, and verified Verilog RTL for MII/GMII bus decode for CPLD/FPGA timing closure• Design and tested for GR-1089 surge compliance of telecom products• LabVIEW and Python coding for automated performance characterization testing of optical interface modules to control temperature chambers, optical power meters, and optical switches in GPON test system• Power supply loop compensation analysis using vector network analyzer inter-connection techniques

• Channel modeling and line driver echo cancellation of ADSL DMT ASIC using Motorola 56300 DSP• Evaluated QAM modulation, FEQ filtering for optimal BER using DSP OFDM coding techniques• Wrote/verified Verilog RTL code for state machine and clock domain analysis for cable modem and DSL ASICs• DOCSIS 1.0, 1.1, and 2.0 SME (modulation, electrical specs, cryptographic keys, data collisions and negotiations)• Analyzed/established power requirements, ESD tolerance, and wire bond rules for cable modem ASIC

• Computer data acquisition in VB via DSP algorithms and real-time signal processing of Extrinsic Fabry-Perot Interferometric Sapphire and silica fiber sensor spectral data using broadband 850nm LED source

• Creation of Cherenkov radiation detectors using Stokes' shift of SF6 for magnetic monopole fingerprinting via CAMAC to GPIB interface conversion using a photomultiplier tubes; GPIB/CAMAC protocol implemented in C

. Instruction and testing of senior non-elective undergraduate physics materials and concepts

• Data acquisition of magnetic field data with computer-controlled 2-D stepper motors• Programming/interfacing with power supplies, stepper motors, DVMs, oscilloscopes, NMR Teslameter via GPIB and proprietary controller interfaces using Borland C• Calibration and performance characterization of 1.5GHz Amplifiers with Vector Network/Spectrum analyzer

. RF Testing 1.5GHz Amplifiers using Network, Spectrum analyzers. Designed antenna amplifiers for tunnel communications. Designs of PCB prototypes for accelerator and other testing

. Testing of Steam and Electric systems on Los-Angeles (688) class submarines. Documentation and verification of appropriate test procedures, including corrections, additions, and peer review

. Testing of Electric and Mechanical systems on Los-Angeles (688) class submarines. Documentation and verification of appropriate test procedures, including corrections, additions, and peer review