Zhiheng Cao
Zhiheng Cao is a Ph.D. student advised by Prof. Shouli Yan. He graduated in March 2004 from the EEIC Engineering Department, University of Tokyo with Bachelor's degree.
Zhiheng Cao, Tongyu Song and Shouli Yan, “A 14mW 2.5MS/s 14bit Sigma-Delta Modulator Using Pseudo-Differential Split-Path Amplifiers,” to appear in IEEE Journal of Solid State Circuits, October 2007.
Zhiheng Cao, Tongyu Song and Shouli Yan, “A 14mW 2.5MS/s 14bit Sigma-Delta Modulator Using Pseudo-Differential Split-Path Cascode Amplifiers,” IEEE Custom Integrated Circuits Conference, September 2006.
Zhiheng Cao and Shouli Yan, “A Study of Voltage Reference Buffers for Low-Power Low-Voltage Switched-Capacitor Circuits,” accepted to IEEE International Midwest Symposium on Circuits and Systems, August 2006. PDF
Zhiheng Cao and Shouli Yan, “A Multi-bit Switched Capacitor DAC with Robust Analog Background Calibration,” accepted to IEEE International Midwest Symposium on Circuits and Systems, August 2006. PDF
Zhiheng Cao and Shouli Yan, “A Robust Analog Background Calibration Technique for Multi-bit Switched Capacitor DACs,” to appear in Electronics Letters. PDF
Zhiheng Cao and Shouli Yan, “A Digital Background Calibration Method for MASH Delta-sigma Modulators by Using Coefficient Estimation,” IEEE International Symposium on Circuits and Systems, May 2005. PDF
Tongyu Song, Zhiheng Cao and Shouli Yan, “A 2.7mW 2MHz Continuous-Time Sigma-Delta Modulator with a Hybrid Active-Passive Loop Filter,” accepted to IEEE Custom Integrated Circuits Conference, September 2006.
Course Projects
EE382V project, "An UWB Receiver Analog Front-End," Spring 2006; Report (PDF)