Research Interest

• Mixed-signal circuit design

• Acoustic beamforming (oversampling ADC and DSP)

• Speech recognition ML system

Education

• Ph.D. in EE, University of Michigan, Ann Arbor, MI, USA, 2021

  • Advisor: Michael P. Flynn (www.mpflynngroup.com/)

  • Thesis Title: Adaptive Acoustic Beamforming and Speech Processing Frontend  

• M.S. in EE, Seoul National University, Korea, 2013

  • Advisor: Jaeha Kim (mics.snu.ac.kr/)

• B.S. in EE, Seoul National University, Korea, 2011

Professional Experience

• 2024-Present, Assistant Professor, Sungkyunkwan University, Suwon, Korea

• 2021-2024, Circuit designer, Apple, Cupertino, CA, USA

• 2013-2016, Circuit designer, Silicon Mitus, Korea

GRADudate Researcher

Chanhong  Jeon  - M.S/Ph.D Course
Email: 19cj01@g.skku.edu
Research Interest: Digital circuit design, Audio beamforming

Seojin Kim - M.S Course
Email: tjwws2143@g.skku.edu
Research Interest: Digital circuit design, Speech recognition AI, Analog circuit CAD

Jeongmin Lee - M.S Course
Email: vjmv07@g.skku.edu
Research Interest: Digital circuit design, AI audio denoising

Jaeyun Oh - M.S Course
Email: jaeyun22@g.skku.edu
Research Interest: Analog cicuit design, PIM

Donghwan Shin - M.S Course
Email: life1057@g.skku.edu
Research Interest: Analog circuit design, High-speed SAR ADC

Donghwan So - M.S Course
Email: sojjang99@g.skku.edu  
Research Interest: Digital circuit design, Speech recognition AI

Huijeong Woo - M.S Course
Email: nickywoo1@g.skku.edu
Research Interest: Analog circuit design, Noise-shaping SAR ADC

Undergrad Researcher

Yejin Hwang
Email: yejins6101@g.skku.edu  
Research Interest: Digital circuit design, digital signal processing, Bio-sensor system

Jaehyun Kim
Email: kimjaehyun@g.skku.edu  
Research Interest: Analog circuit design, Incremental ADC

Collaborator

Seungjong Lee

lsjkor@gmail.com

Research Interest

• High-resolution oversampling ADC

• High-speed SAR ADC

Education

• Ph.D. in EE, University of Michigan, Ann Arbor, MI, USA, 2022

  • Advisor: Michael P. Flynn (www.mpflynngroup.com/)

  • Thesis Title: High-Resolution ADCs for Acoustic Processing and Other Applications

Professional Experience

• 2025-Present, Senior Member of Technical Staff, AMD, San Jose, CA, USA

• 2022-2025, Staff Engineer, Qualcomm, San Diego, CA, USA

• 2013-2016, Circuit designer, Silicon Works (now, LX Semicon), Daejeon, Korea

Seungheun Song

sssong@umich.edu

Research Interest

• SAR-assisted Pipeline ADC

• Incremental ADC

Education

• Ph.D. in EE, University of Michigan, Ann Arbor, MI, USA, 2025

  • Advisor: Michael P. Flynn (www.mpflynngroup.com/)

  • Thesis Title: High-Performance ADCs Using Floating Ring Amplifiers using Negative-C

Professional Experience

• 2025-Present, Analog Circuit Design Engineer, Apple, Cupertino, CA, USA

• 2015-2018, Senior Engineer, LG Electronics, Seoul, Korea