• BS, Electrical Engineering, Lehigh University, 1985
• MS, Electrical Engineering, The Pennsylvania State University, 1987
• Ph D, Computer Engineering, The Pennsylvania State University, 1993

Journal Articles

Tianning Liu, Ajay Dangi, Jeong Nyeon Kim, Sri-Rajasekhar Kothapalli, Kyusun Choi, Susan E Trolier-McKinstry and Thomas N Jackson, 2021, "Flexible Thin-Film PZT Ultrasonic Transducers on Polyimide Substrates", Sensors, 21, (3), pp. 9

Jeong Nyeon Kim, Tianning Liu, Thomas N Jackson, Kyusun Choi, Susan E Trolier-McKinstry, Richard L Tutwiler and Judith Todd, 2020, "Design and Ultrasonic Characterization of a Thin-Film, Flexible, PMUT Array", Advanced Materials & Processes, 178, (8), pp. 15-20

Jeong Nyeon Kim, Tianning Liu, Thomas N Jackson, Kyusun Choi, Susan E Trolier-McKinstry, Richard L Tutwiler and Judith Todd, 2020, "10 MHz Thin-Film PZT-Based Flexible PMUT Array: Finite Element Design and Characterization", Sensors, 20, (15), pp. 24

Abdulrahman Abumurad, Ali Ozdemir and Kyusun Choi, 2019, "10-Bit Flash ADCs and Beyond: An Automated Framework for TIQ Flash ADCs Design."

Abdulrahman Abumurad and Kyusun Choi, 2018, "Design Procedure and Selection of TIQ Comparators for Flash ADCs", CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 37, (2), pp. 500-531

Kyusun Choi and A. Abumurad, 2017, "Design Procedure and Selection of TIQ Comparators for Flash ADCs TIQ Comparator Generation Procedure and TIQ comparator Selection Algorithm", Circuits, Systems, and Signal Processing

Sun G. Kaige, Kyusun Choi and Thomas N. Jackson, 2016, "Low-Power Double-Gate ZnO TFT Active Rectifier", IEEE Electron Device Letters, 37, (4), pp. 426-428

Suk Jin Lee, Changyong (Andrew) Jung and Kyusun Choi, 2015, "Design of wireless nanosensor networks for intrabody application", International Journal of Distributed Sensor Networks, 2015, pp. 12

M. Nguyn, I. Kim, Kyusun Choi, J. Lim, W. Choi and J. Kim, 2012, "New Multiplier for a Double-Base Number System Linked to a Flash ADC", ETRI Journal, 34, (2), pp. 256-259

J. Lim, H. Kim, T. Jackson, Kyusun Choi and D. Kenny, 2010, "An Ultra-compact and Low-power Oven-Controlled Crystal Oscillator Design for Precision Timing Applications", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 57, (9), pp. 1906-1914

J. Lim, I. Kim, N. Minh Son, J. Yoo, J. Kim and Kyusun Choi, 2009, "Low Power Flash A/D Converter with TIQ Comparators for Multi-Standard Mobile Applications", International Review of Electrical Engineering, 4, (6)

I. Kim, H. Kim, F. Griggio, R. Tutwiler, T. Jackson, S. Trolier-McKinstry and Kyusun Choi, 2009, "CMOS Ultrasound Transceiver Chip for High Resolution Ultrasonic Imaging Systems", IEEE Transactions on Biomedical Circuits and Systems, 3, (5), pp. 293-303

I. Kim, J. Yoo, J. Kim and Kyusun Choi, 2008, "Highly Efficient Comparator Design Automation for TIQ Flash A/D Converter", IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, E91-A, (12), pp. 3415-3422

I. G. Mina, H. Kim, I. Kim, S. Park, Kyusun Choi, T. Jackson, R. Tutwiler and S. Trolier-McKinstry, 2007, "High Frequency Piezoelectric MEMS Ultrasound Transducers", IEEE Transactions on Ferroelectrics and Frequency Control, 54, (12), pp. 2422-2430

Ali A Tangel and Kyusun Choi, 2004, "The CMOS Inverter as a Comparator in ADC Designs", Journal of Analog Integrated Circuits and Signal Processing, 39, (2), pp. 147-155

J. Yoo, Kyusun Choi and D. Lee, 2003, "Comparator Generation and Selection for Highly Linear CMOS Flash Analog-to-Digital Converter", Journal of Analog Integrated Circuits and Signal Processing, 35, (2-3), pp. 179-187

T Lu, Kyusun Choi, S Wu, X Xu and Francis T. S. Yu, 1989, "Optical Disk Based Neural Network", Applied Optics, 28, (22), pp. 4722-4724

Conference Proceedings

Jun Hyuk Park, Soobum Kwon and Kyusun Choi, 2018, "Designing Algorithm for the High Speed TIQ ADC, with Improved Accuracy", pp. 233-237

A. Abdulrahman* and Kyusun Choi, 2012, "Increasing the ADC Precision with Oversampling in a Flash ADC", Proceedings of the Eleventh IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT 2012)

A. L. Bernassau, T. W. Button, Kyusun Choi, S. Cochran, C. E. M. Demore, L. Garcia-Gancedo, D. Hutson, T. N. Jackson, H. Kim, I. Kim, C. Meggs, S. Trolier-McKinstry and R. L. Tutwiler, 2009, "Operation of a High Frequency Piezoelectric Ultrasound Array with an Application Specific Integrated Circuit", Proceedings of the 2009 IEEE International Ultrasonics Symposium

I. Kim, H. Kim, F. Griggio, T. N. Jackson, R. L. Tutwiler, Kyusun Choi and S. Trolier-McKinstry, 2008, "An Intetrated Ultrasound Front-end Chip for Portable High Frequency High Ultrasonic Imaging System", Proceedings of the 2008 U.S. Navy Workshop on Acoustic Transduction Materials and Devices

H. Kim, F. Griggio, I. Kim, Kyusun Choi, R. L. Tutwiler, S. Trolier-McKinstry and T. N. Jackson, 2008, "Fabrication of Low-Voltage MEMS High Frequency Linear Transducer Array", Proceedings of the 2008 U.S. Navy Workshop on Acoustic Transduction Materials and Devices

J. Lim, H. Kim, Kyusun Choi and T. N. Jackson, 2008, "Ultra Compact and Low Power Oven Controlled Crystal Oscillator Design for Precision Timing Applications", Proceedings of the 2008 U.S. Navy Workshop on Acoustic Transduction Materials and Devices

I. Kim, H. Kim, S. Park, I. Mina, T. Jackson, S. Trolier-McKinstry, Kyusun Choi and R. Tutwiler, 2006, "A Novel Ultrasonic Imaging System with Integrated Electronics and High Frequency PZT Transducers", Proceedings of the 2006 IEEE International Ultrasonics Symposium

I. Mina, S. Park, H. Kim, T. Jackson, Kyusun Choi, I. Kim, R. Tutwiler and S. Trolier-McKinstry, 2006, "High Frequency Ultrasound Transducers with Close Coupled Electronics", Proceedings of the 2006 IEEE International Ultrasonics Symposium

H. Kim, J. Kim, Kyusun Choi, D. Kenny and T. Jackson, 2006, "Frame Enclosed Resonator for Miniature Oven Controlled Crystal Oscillator", 2006 IEEE International Frequency Control Symposium, pp. 491-493

J. Lim, H. Kim, Kyusun Choi, T. Jackson and D. Kenny, 2006, "Miniature Oven Controlled Crystal Oscillator on a CMOS Chip", Proceedings of the 2006 IEEE International Frequency Control Symposium (UFFC 2006), pp. 401-404

E. Shevchuk and Kyusun Choi, 2005, "Folded Cascode CMOS Mixer Design and Optimization in 70 NM Technology", Proceedings of the Forty-Eighth IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2005)

S. Brown, J. Ford and Kyusun Choi, 2005, "A Single Semester Software Defined Radio Transceiver Implementation in a Xilinx Spartan-3 FPGA", Proceedings of the 2005 Software Defined Radio Technical Conference and Production Exposition (SDR '05)

S. Nahata, Kyusun Choi and J. Yoo, 2004, "A High-Speed Power and Resolution Adaptive Flash Analog-to-Digital Converter", Proceedings of the IEEE International SOC Conference (SOCC 2004), pp. 33-36

H. Kim, T. Jackson, J. Lim, Kyusun Choi and D. Kenny, 2004, "Direct Mounting of Quartz Crystal on a CMOS PLL Chip", Proceedings of the 2004 IEEE International Frequency Control Symposium and Exposition, pp. 165-168

J. Yoo, Kyusun Choi and J. Ghaznavi, 2003, "Quantum Voltage Comparator for 0.07 um CMOS Flash A/D Converters", Proceedings of the IEEE Computer Society Symposium on VLSI (ISVLSI '03), pp. 280-282

J. Yoo, Kyusun Choi and J. Ghaznavi, 2003, "A 0.07 um CMOS Flash Analog-to-Digital Converter for High Speed and Low Voltage Applications", Proceedings of the Great Lakes Symposium on VLSI (GLSVLSI 2003), pp. 56-59

D. Lee, J. Yoo and Kyusun Choi, 2002, "Design Method and Automation of Comparator Generation for Flash A/D Converter", Proceedings of the Third International Symposium on Quality of Electronic Design (ISQED 2002), pp. 138-142

D. Lee, J. Yoo, Kyusun Choi and J. Ghaznavi, 2002, "Fat Tree Encoder Design for Ultra-High Speed Flash A/D Converters", Proceedings of the Forty-Fifth IEEE Midwest Symposium on Circuits and Systems (MWSCAS), pp. 87-90

J. Yoo, Kyusun Choi and A. Tangel, 2001, "1-GSPS CMOS Flash A/D Converter for System-on-Chip Applications", Proceedings of IEEE Computer Society Annual Workshop on VLSI (WVLSI 2001), pp. 135-139

J. Yoo, D. Lee, Kyusun Choi and A. Tangel, 2001, "Future-Ready Ultrafast 8bit CMOS ADC for System-on-Chip Applications", Proceedings of the IEEE International ASIC/SOC Conference, pp. 789-793

Other

Ali Ozdemir, Mshabab Alrizah and Kyusun Choi, 2019, "Optimization of Comparator Selection Algorithm for TIQ Flash ADC Using Dynamic Programming Approach", pp. pp. 495-500

F. Griggio, C. E. M. Denmore, H. Kim, J. Giggliotti, Y. Qiu, T. N. Jackson, Kyusun Choi, R. L. Tutwiler, S. Cochran and S. Troiler-McKinstry, 2012, "Micromachined Diaphragm Transducers for Miniaturized Ultrasound Arrays", pp. 4

C. S. Lee, Y.-G. Lee, M.-G. Lee, B.-B. Yoo and Kyusun Choi, 2011, "Development of an Actuator Powered Membrane Vibration", pp. 1441-1442

Kyusun Choi, C. S. Lee, T. N. Jackson and S. E. Trolier-McKinstry, 2011, "Acoustic Propeller for Pill Camera Application", pp. 33

Kyusun Choi, 2010, "Sono-Pill Camera Chip", pp. 31

H. Kim, I. Kim, F. Griggio, S. Trolier-McKinstry, Kyusun Choi, R. L. Tutweiler and T. N. Jackson, 2009, "Low Voltage High-Frequency MEMS Transducer Array"

F. Griggio, H. Kim, I. Kim, S. Trolier-McKinstry, T. N. Jackson, Kyusun Choi and R. L. Tutwiler, 2009, "Piezoelectric Thin Films for a High Frequency Ultrasound Transducer with Integrated Electronics"

I. Kim, H. Kim, F. Grigio, T. N. Jackson, R. L. Tutweiler, Kyusun Choi and S. Trolier-McKinstry, 2009, "An Ultrasound Transceiver Chip with MEMS Transducer Array for Portable High Frequency Ultrasonic Imaging Systems"

Kyusun Choi, I. Kim, T. N. Jackson, H. Kim, R. Tutwiler, F. Griggio and S. Trolier-McKinstry, 2008, "Ultrasound Pill Camera Chip"

J. Lim, I. Kim, Kyusun Choi and D. Kenny, 2008, "A CMOS Cubic Voltage Generator for a Temperature Compensated Crystal Oscillator (TCXO)", pp. 550-553

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