Charlie X.

About Charlie X.

Extensive experience (>20 years) in rad-hard-by-design and IC design, including design, simulation, layout, post layout simulation, and chip measurement. 13 years of experience in radiation hardened IC design: studied radiation effects on various technologies, including 0.6um, 0.35um, 0.18um, 65nm, 28nm, 16nm and 7nm/5nm FinFET CMOS and BiCMOS technologies, and developed effective rad-hard-by-design techniques to improve radiation performance, including SEL (single event latchup), SET (single event transient), SEFI (single event function interrupt), TID (total ionizing dose) effects, etc, and released products in analog, digital and mixed signal, and RFICs. Lead projects in analog IC design, mixed signal IC design and RFIC design: designed and released error amplifiers, VCOs, PLLs, up-converter and down-converters, etc. Lead the projects from concept to production. Proficiency in IC design tools such as Cadence SpectraRF, Cadence Virtuoso, ADS, HFSS, etc, including thermal simulation, Monte-Carlo simulation, etc. Extensive experience (13 years) in board level analog, digital, and mixed signal circuit and system design, including circuit design with microprocessors and microcontrollers. Electronic system design included specification definition, spec distribution among subsystems, component design, design validation, reliability qualification, trouble shooting, product performance characterization, and documentation, and customer service. New product development process. Excellent oral and written communication skills. Extensive experience in project and team managementSpecialties: Rad-hard-by-design techniques, radiation effects on various technologies, RFIC design, analog IC design, mixed signal IC design, IC characterization, IC modeling, board-level circuit and system design, digital signal processing

Experience

1. Sr Staff Radiation Design Engineer

   SkyWater Technology

   Jan 2025 — Present

   Provide guidance on the effects of radiation on semiconductor devices, testing, and Rad-Hard techniques for internal teams and external clients.Design and architect IP, solutions, and technologies for use in radiated environments.Oversee and conduct radiation test campaigns to validate technologies, IP, and circuits in radiation environments.Lead SkyWater in the implementation and trade-offs of RHBP and RHBD techniques

Education

• Shandong University

  BSEE, Electrical Engineering

• University of Central Florida

  Doctor of Philosophy - PhD, Electrical Engineering