RF/microwave R&D for wireless applications in the defense industry.- Phased array systems analysis and testing. Radiation pattern prediction tool coding, hardware/software codesign of digital master and slave modules using FPGAs, test GUI design and low-level hardware testing. Created mathematical derivations paper on phased array physics and calibration procedure.- Designed and prototyped three connectorized LNA modules under tight space and RF performance constraints. Brought modules… Show more RF/microwave R&D for wireless applications in the defense industry.- Phased array systems analysis and testing. Radiation pattern prediction tool coding, hardware/software codesign of digital master and slave modules using FPGAs, test GUI design and low-level hardware testing. Created mathematical derivations paper on phased array physics and calibration procedure.- Designed and prototyped three connectorized LNA modules under tight space and RF performance constraints. Brought modules through brainstorming, simulation/prediction (component-level, EM, and signal chain), schematic capture, PCB layout, and prototyping phases. Thermal analysis, BOM generation, part derating, switched-mode power supply design.- Design and optimization of high-power passive microwave structures in AWR Microwave Office and ANSYS HFSS.- Did R&D for lumped-element phase shifter MMICs. Show less

Test rack design, issue triaging, production, and testing for various RF avionics products primarily for the Dragon spacecraft.

- Designed an FPGA-based active electronically scannable array (AESA) controller. Engineering design tasks included hardware/software codesign on an embedded MicroBlaze system, schematic capture, standard PCB layout, risk mitigation via prototyping in the hardware lab, and development of professional documentation. - Designed planar array radiation pattern prediction tool in Excel (primarily using VBA for computation, plotting, and data organization), including functionality for simulation… Show more - Designed an FPGA-based active electronically scannable array (AESA) controller. Engineering design tasks included hardware/software codesign on an embedded MicroBlaze system, schematic capture, standard PCB layout, risk mitigation via prototyping in the hardware lab, and development of professional documentation. - Designed planar array radiation pattern prediction tool in Excel (primarily using VBA for computation, plotting, and data organization), including functionality for simulation of multiple array nonidealities, uv-space heat maps, and elevation plane patterns. - Designed and simulated the following RF submodules in AWR Microwave Office: Ka-band Wilkinson power divider, K-band Wilkinson power divider, K-band 180° branch-line directional coupler. Show less

- Performed VNA S-Parameter ATP and "precover" tests and bond wire tuning for PA and LNA modules used for phased array systems. Assisted in other tasks in the MMIC fabrication process, including laser-marking part covers and leak testing.

-Led 5 study sessions per week with 10-25 students each to improve their problem-solving skills in the following circuit analysis topics: 2nd-order RLC transient analysis, AC steady-state analysis, basic power concepts, modeling magnetic interactions of inductors, frequency response with Bode plots, circuit analysis using the Laplace transform, MATLAB programming and LTSpice simulation for a communications transceiver project.

-Created database entries as well as PCB footprints and schematic symbols in Cadence Allegro/Capture for numerous new parts requested by various board designers.-Performed PCB layout for a laboratory breakout board. -Intro to basic VNA operation and calibration.

-Supported the development and testing of an Ethernet switch by writing multiple VHDL test modules/packages, designing a HDL testing procedure and method, and completing two C programming projects (an embedded Linux JSON parser and an Ethernet traffic generator). Created engineering documentation.-Designed a VHDL subsystem that was integrated with a larger satellite electronic payload. Incorporated digital interface.

Organized and edited OrCad Capture part libraries and created Excel error log.

Tutored the following lower-division engineering courses: Classical Mechanics, Electricity and Magnetism, Calculus I and II.