A dual-channel GPS/Compass/Galileo/GLONASS reconfigurable GNSS receiver in 65nm CMOS. - Nan Qi; Yang Xu 005; Baoyong Chi; Yang Xu 039; Xiaobao Yu; Xing Zhang; Zhihua Wang 001 (CICC, 2011)

Power-scalable multi-mode reconfigurable continuous-time lowpass/quadrature bandpass sigma-delta modulator for zero/low-IF receivers. - Yang Xu 005; Baoyong Chi; Zhihua Wang 001 (ISCAS, 2012)

A hybrid approach to I/Q imbalance self-calibration in reconfigurable low-IF receivers. - Yang Xu 005; Nan Qi; Zhou Chen; Baoyong Chi; Zhihua Wang 001 (ISCAS, 2012)

A Dual-Channel Compass/GPS/GLONASS/Galileo Reconfigurable GNSS Receiver in 65 nm CMOS With On-Chip I/Q Calibration. - Nan Qi; Yang Xu 005; Baoyong Chi; Yang Xu 039; Xiaobao Yu; Xing Zhang; Ni Xu; Patrick Chiang 001; Woogeun Rhee; Zhihua Wang 001 (IEEE Trans. Circuits Syst. I Regul. Pap., 2012)

Power-Scalable, Complex Bandpass/Low-Pass Filter With I/Q Imbalance Calibration for a Multimode GNSS Receiver. - Yang Xu 005; Baoyong Chi; Xiaobao Yu; Nan Qi; Patrick Chiang 001; Zhihua Wang 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2012)

An asymmetric dual-channel reconfigurable receiver for GNSS in 180nm CMOS. - Nan Qi; Baoyong Chi; Yang Xu 005; Zhou Chen; Jun Xie; Yang Xu 039; Zheng Song 002; Zhihua Wang 001 (CICC, 2013)

A 180nm fully-integrated dual-channel reconfigurable receiver for GNSS interoperations. - Nan Qi; Baoyong Chi; Yang Xu 039; Zhou Chen; Yang Xu 005; Jun Xie; Zheng Song 002; Zhihua Wang 001 (ESSCIRC, 2013)

A 0.1-5GHz flexible SDR receiver in 65nm CMOS. - Xinwang Zhang; Yang Xu 005; Bingqiao Liu; Qian Yu; Siyang Han; Qiongbing Liu; Zehong Zhang; Yanqiang Gao; Zhihua Wang 001; Baoyong Chi (A-SSCC, 2014)

Inherently linear time symmetric pulse width modulation. - Yue Hu; Yang Xu 005; Un-Ku Moon (CICC, 2014)

A 1/2/4MHz multi-mode reconfigurable lowpass/complex bandpass CT ΣΔ modulator for short range wireless receiver. - Guodong Zhu; Junfeng Zhang; Yang Xu 005; Zehong Zhang; Baoyong Chi (ASICON, 2015)

Time-interleaved integrating quantizer incorporating channel coupling for speed and linearity enhancement. - Yue Hu; Spencer Leuenberger; Yang Xu 005; Un-Ku Moon (ISCAS, 2015)

Highly linear continuous-time MASH ΔΣ ADC with dual VCO-based quantizers. - Yang Xu 005; Spencer Leuenberger; Un-Ku Moon (ISCAS, 2015)

Analysis of discrete-time charge-domain complex bandpass filter with accurately tunable center frequency. - Yang Xu 005; Hyuk Sun; Un-Ku Moon (MWSCAS, 2015)

A 0.6mW 31MHz 4th-order low-pass filter with +29dBm IIP3 using self-coupled source follower based biquads in 0.18µm CMOS. - Yang Xu 005; Spencer Leuenberger; Praveen Kumar Venkatachala; Un-Ku Moon (VLSI Circuits, 2016)

A 5-/20-MHz BW Reconfigurable Quadrature Bandpass CT ΔΣ ADC With AntiPole-Splitting Opamp and Digital I/Q Calibration. - Yang Xu 005; Zehong Zhang; Baoyong Chi; Nan Qi; Hualin Cai; Zhihua Wang 001 (IEEE Trans. Very Large Scale Integr. Syst., 2016)

A 73dB SNDR 20MS/s 1.28mW SAR-TDC using hybrid two-step quantization. - Jason Muhlestein; Spencer Leuenberger; Hyuk Sun; Yang Xu 005; Un-Ku Moon (CICC, 2017)

A 0.65mW 20MHz 5th-order low-pass filter with +28.8dBm IIP3 using source follower coupling. - Yang Xu 005; Jason Muhlestein; Un-Ku Moon (CICC, 2017)

Voltage domain correction technique for timing skew errors in time interleaved ADCs. - Praveen Kumar Venkatachala; Ahmed ElShater; Yang Xu 005; Manar El-Chammas; Un-Ku Moon (ISCAS, 2017)

A highly compact wideband continuous-time transimpedance low-pass filter. - Yang Xu 005; Praveen Kumar Venkatachala; Un-Ku Moon (ISCAS, 2017)

A Flexible Continuous-Time Δ Σ ADC With Programmable Bandwidth Supporting Low-Pass and Complex Bandpass Architectures. - Yang Xu 005; Xinwang Zhang; Zhihua Wang 001; Baoyong Chi (IEEE Trans. Very Large Scale Integr. Syst., 2017)

Process Invariant Biasing of Ring Amplifiers Using Deadzone Regulation Circuit. - Praveen Kumar Venkatachala; Spencer Leuenberger; Ahmed ElShater; Calvin Lee 001; Yang Xu 005; Bohui Xiao; Michael Oatman; Un-Ku Moon (ISCAS, 2018)

A 0.1-5.0 GHz flexible SDR receiver with digitally assisted calibration in 65 nm CMOS. - Xinwang Zhang; Zipeng Chen; Yanqiang Gao; Yang Xu 005; Bingqiao Liu; Qian Yu; Yichuang Sun; Zhihua Wang 001; Baoyong Chi (Microelectron. J., 2018)

An 80mA Capacitor-Less LDO with 6.5µA Quiescent Current and No Frequency Compensation Using Adaptive-Deadzone Ring Amplifier. - Bohui Xiao; Praveen Kumar Venkatachala; Yang Xu 005; Ahmed ElShater; Calvin Yoji Lee; Spencer Leuenberger; Qadeer Ahmad Khan; Un-Ku Moon (A-SSCC, 2019)

A 77-dB-DR 0.65-mW 20-MHz 5th-Order Coupled Source Followers Based Low-Pass Filter. - Yang Xu 005; Hang Hu 009; Jason Muhlestein; Un-Ku Moon (IEEE J. Solid State Circuits, 2020)

A Charge-Domain Switched-Gm-C Band-Pass Filter Using Interleaved Semi-Passive Charge-Sharing Technique. - Yang Xu 005; Praveen Kumar Venkatachala; Yue Hu; Spencer Leuenberger; Gabor C. Temes; Un-Ku Moon (IEEE Trans. Circuits Syst. I Regul. Pap., 2020)