Elmer Ko
RF System/IC Package Engineer
- Role
- Rf System and Ic Packaging Pcb Design Manager at Axiro Semiconductor
- Location
- Irvine, CA, US
- LinkedIn followers
- 500 followers
About Elmer Ko
Hands-on Experience in RF system integration from BB to RF.• RF system analysis: RF link budget, component requirement and performance estimation.• Antenna designs in different frequency bands including LTE, WIFI and mm-wave for varies applications, such as cell phones, VR, satcomm and MIMO.• Solid knowledge and experience in design, fabrication and test of printed and waveguide antennas, antenna arrays and passive RF front-end components in microwave and millimeter-wave bands.• Extensive experience in simulation and design of RF passive structures including transmission lines, couplers, combiners, filters, diplexers, matching circuits, and phase-shifters• High-Frequency IC packaging and PCB designs. Work with OSATs to ensure DFM and reliability from NPI to production.• Extensive experience in using tunable components to create tunable RF components.• Expert in commercial electromagnetic tools and RF softwares including HFSS, CST, ADS, and Sonnet.• Proficient with RF and antenna test equipment such as vector network analyzer, spectrum analyzer, noise meter, signal generator and anechoic chambers
Experience
Rf System and Ic Packaging Pcb Design Manager
Apr 2025 — Present · San Diego, CA, US
Establish a team for RF system, EM, IC packaging and PCB designs- System analysis for phased array system- Develop a program to optimize ATE trimming to enhance yield rate- Manage and cooperate with OSATs to ensure reliability and schedule of RFIC products
Education
National Chiao Tung University
Bachelor, Communication Engineering
2003 — 2007
University of Illinois Urbana-Champaign
Exchange Student, ECE
2007 — 2007
National Chiao Tung University
Master, Antenna Design
2007 — 2008
UC San Diego
Doctor of Philosophy (PhD), Electronic circuits and systems
2011 — 2014
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