Experience

• 

  Nordic Semiconductor

  • Norway

  • Engineer

    • Nov 2021 - Present
    • Norway

    SCPA(switched capacitor power amplifier) designRFFE(RF front-end) designDCO(digitally controlled oscillator) design

• 

  Energous Corporation

  • United States
  • Semiconductor Manufacturing
  • 1 - 100 Employee

  • Manager/Principal RFIC Designer

    • Mar 2020 - Aug 2021

    CMOS/GaAs Analog/RFIC DesignSiP designRF energy harvesting IC design

  • Principal Engineer - RFIC/PLL

    • Sep 2015 - Mar 2020

    Wire-free charging system developmentMulti band CMOS RF PLL design - concept to productionHigh Power High Efficiency RF to DC Converter SiP designCMOS/GaAs Analog/RF IC design

• 

  Newracom Inc

  • Irvine, CA

  • Principal Researcher

    • Oct 2014 - Sep 2015
    • Irvine, CA

    RF PLL design For 802.11 a/b/g/n/ac WiFi standardEDA tool install/maintenance/admin

• 

  Broadcom

  • United States

  • IC Designer

    • Aug 2011 - Oct 2014
    • United States

    *MIMO 802.11ac/a/b/g/n Transceiver Design -RF Buildign block design : PLL, Tx sub-blocks -Mass Production support for 2x2 802.11ac MIMO product

• 

  Telegent Systems

  • Sunnyvale, California, United States

  • Analog Design Engineer (Team Acquired by Broadcom)

    • Dec 2009 - Jul 2011
    • Sunnyvale, California, United States

    *Wideband RF frontend for analog/digital mobile TV receiver design

• 

  University of Washington

  • United States
  • Higher Education
  • 700 & Above Employee

  • Research Associate

    • Sep 2009 - Dec 2009

    - Switch Capacitor RF DAC/PA Design: Collaborated with a senior lab members to design the first of its kind switched-capacitor high efficiency power amplifier. Resulted in the publication [1] and [2].

  • Research Assistant

    • Jul 2008 - Aug 2009

    - Wideband Fractional-N Frequency Synthesizer: Collaborated with senior lab members to design a wideband fractional-N frequency synthesizer for enhanced data rate Bluetooth application. Fabricated in 180nm CMOS. Resulted in the publication [3].- Wide Tuning Range CMOS Ring Oscillator: To design a 1 to 10 GHz wide tuning range CMOS ring oscillator in 130nm CMOS, resulted in the MSEE thesis in 2009.

• 

  South Korean Army

  • Daegu, South Korea

  • Sergeant

    • Jun 1998 - Aug 2000
    • Daegu, South Korea

    Served 26 months of mandated military service for South Korean men as a police task force in 1st squadron of Daegu Metropolitan Police Agency. Trained for handling of personal firearms as well as crowd control tactics. Main duty included maintenance of order in demonstration sites, crime prevention support for local police branches.