Design and simulate (circuit, EM, plasma simulation) RF architectures for ICP, CCP, PEALD, and DBD type tools. ◦ Design and simulate RF systems, plasma chamber RF architectures. ◦ Lead Plasma Core Tech Center. ◦ RF delivery system testing.  ◦ Plasma tool testing support.

System communication design for GEO satellites and other spacecraft payloads. ◦ Create link budget to verify ability to close communication link between earth and spacecraft while able to support required data rate. ◦ Generate digitized test sequence via MATLAB for verification of TC&R system computer on board satellite operating with GNU radio.

Develop high power variable match networks and variable load simulators (design, simulation (MATLAB, SPICE, Ansys), and test). ◦ Develop test methods to validate and/or troubleshoot high power RF products. ◦ Model and simulate test fixture circuits for RF sensor calibration system. ◦ Model custom high-power coils in Ansys EDT. ◦ Developed auto-tune/optimizer software in Visual Basic for auto-tuning calibration coefficients to maximize accuracy.

• In Orbit Test (IOT) burst measurement equipment development used to perform in orbit measurements and data acquisition ($5M project)• Modified and improved algorithms for performing test automation and data post processing• Produced algorithm for optimizing the number of satellite slewing positions (repositioning of satellite to focus beam groups on gateway) within a required SNR for all feed coverage for IOT testing resulting in reduced satellite shifting and IOT testing time

• Developed, characterized and tested low noise amplifier products ($1.5M)• Characterized and tested dielectric resonating oscillators (DRO) to optimize tuning range, tuning voltage level, and frequency stability (ppm)• Designed V/Q Band waveguide to microstrip transition for V/Q Band receiver • Developed unique RF N-port power combiner/splitter for solid state power amplifier which delivers improved power efficiency, reduced foot print, and reduced circuitry ($4M project) (Patent Pending)• Designed and prototyped microwave components for high-cost production, designs include: single & dual-mode filters, input multiplexers, output multiplexers (high power, hundreds of Watts), waveguide-to-micro-strip adapters, and high-frequency micro-strip filters.• Led cost saving IRAD (R&D) project developing improved dual-mode multiplexer filter product resulting in reduced part quantity fabrication and reduction in technician tuning time with an estimated cost savings of $50k per program ($80k project) (Patent Pending)• Conducted analysis and negotiated proposed component specifications• Characterized and prototyped multiple filter designs producing a 95% production yield overall• Developed application to calculate and plot filter frequency response, and perform data analysis

• Performed automated and manual regression testing, and debugging on ISDN BRI/PRI, E1/T1, (Layers 1, 2, 3), and analog connections on Cisco routers for IOS software quality control • Performed product testing using ISDN BRI/PRI (E1) standards, Q.921, and Q.931 protocols• Developed test plans for updated software versions to be tested

-Test and modify high voltage pulse power control hardware-Assist in design of pulse power control circuit -Mechanical fabrication

-Test signal sensitivity of circuit design-Measure voltages and currents in mV/mA range