Ya-Shan Lee
Analog Design Engineer at Texas Instruments- Claim this Profile
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Bio
Experience
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Texas Instruments
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United States
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Semiconductor Manufacturing
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700 & Above Employee
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Analog Design Engineer
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Jun 2020 - Present
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Texas Instruments
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United States
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Semiconductor Manufacturing
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700 & Above Employee
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Analog Design Engineering Intern
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May 2019 - Aug 2019
Summer intern for IC design in the Analog Power Product (APP) Group and working on design margin analysis of wide-Vin buck converters for automotive applications (BSR-CCP team) Summer intern for IC design in the Analog Power Product (APP) Group and working on design margin analysis of wide-Vin buck converters for automotive applications (BSR-CCP team)
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MediaTek
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Taiwan
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Semiconductor Manufacturing
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700 & Above Employee
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RF Design Engineer
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Oct 2014 - 2016
• Developed and improved circuit reliability of 5GHz and 10GHz frequency dividers which were realized in TSMC 55nm process for Wireless connectivity SoC. • Worked with digital R&D Engineers and System Engineers for setting startup scenarios (algorithm) and digital control sequences as well as implemented startup circuits and crystal oscillator for AP routers SoC which were realized in TSMC 28nm process. • Invented a new digital/analog co-simulation flow to check the circuits' functions under extreme requirements and effectively shorten the simulation time by at least 50%. The method was being used as the standard simulation flow in later product developments. • Designed 1.2Volt linear regulators which was realized in TSMC 28nm process and established its startup scenarios for tablet SoC. • Elected member of the Employee Welfare Committee at MediaTek Inc.; assessed working conditions and employee benefits; evaluated uses of division general funds; organized and orchestrated annual festival and seasonal events.
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National Taiwan University
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Taiwan
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Higher Education
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700 & Above Employee
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Research Assistant
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Jul 2011 - Jul 2014
• Thesis: Design of Sub-microwatt Oscillators with Temperature Compensations in TSMC 180nm process (Advisor: Dr. Shen-Iuan Liu) • Designed a nano-watts 1.1MHz CMOS relaxation oscillator with temperature compensation. • Intended a 0.005mm2 631nW 66ppm/℃ CMOS resistor-free relaxation oscillator. • Relevant research: Temperature Sensor with Digital Calibration • Patent: TEMPERATURE SENSING APPARATUS AND METHODS (Patent/Publication Number: I449889) • Thesis: Design of Sub-microwatt Oscillators with Temperature Compensations in TSMC 180nm process (Advisor: Dr. Shen-Iuan Liu) • Designed a nano-watts 1.1MHz CMOS relaxation oscillator with temperature compensation. • Intended a 0.005mm2 631nW 66ppm/℃ CMOS resistor-free relaxation oscillator. • Relevant research: Temperature Sensor with Digital Calibration • Patent: TEMPERATURE SENSING APPARATUS AND METHODS (Patent/Publication Number: I449889)
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Electronic Circuits Lab, National Taiwan University
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Taipei, Taiwan
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Teaching Assistant
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Sep 2011 - Feb 2013
• Instructed college seniors on Special Project: Temperature Sensor with Digital Calibration • Instructed college seniors on Special Project: Temperature Sensor with Digital Calibration
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Teaching Assistant
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Sep 2010 - Jun 2012
• Tutored college students and international students on Electronic Circuits, and Signals and Systems • Tutored college students and international students on Electronic Circuits, and Signals and Systems
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Education
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Texas A&M University
Master's degree, Electrical and Electronics Engineering -
National Taiwan University
Master of Science, Electrical Engineering