高性能模拟集成电路实验室

High-Performance Analog Integrated Circuit Lab (HPAC Lab)

[34] Y. Guo, Z. Tian, L. Shen, H. Yu, L. Qiu* and B. Yao*, "A 16-bit 1.6-kS/s ΔΣ Modulator Based on Folded-Cascode Dynamic Amplifier With Speed Enhancement and PVT-Tracking Techniques," in IEEE Transactions on Circuits and Systems II: Express Briefs, Accepted, doi: 10.1109/TCSII.2024.3507861.

[33] H. Hu, B. Yao, Y. Shan and L. Qiu*, "A Histogram-Based Calibration Algorithm of Capacitor Mismatch for SAR ADCs," in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, Accepted, doi: 10.1109/TVLSI.2024.3481993.

[32] W. Xu, B. Yao, Q. Cheng, Z. Du and L. Qiu*, "A Reference Assisted Background Calibration Technique With Constant Input Impedance for Time-Interleaved ADCs," IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), Accepted, 2024.

[31] W. Xu, Z. Du, and L. Qiu*, “A Boundary Mixing Architecture for Two-Channel Frequncy-Interleaving Analog-to-Digital Converters,” IEEE Access, vol. 11, pp. 82548–82555, 2023.

[30] Yifu Guo, L. Qiu*,  "A Low-Power Common-Mode Detector with PVT-Compensation Technique for Dynamic Amplifier in Delta-Sigma Modulator," Circuits, Systems and Signal Processing, vol 42, issue 7, pp. 3795–3811, 2023.

[29] Yifu Guo, L. Qiu*, "A Speed-Enhancement Technique Based on Single-Node-Detection and Bulk-Driven for Inverter-Based Amplifier in Switched-Capacitor Integrator," IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), vol. 71, no. 1, pp. 36-40, Jan. 2024

[28] Z. Du, B. Yao, W. Xu, X. Wang, H. Hu, and L. Qiu*, “Capacitor Mismatch Calibration of a 16-bit SAR ADC Using Optimized Segmentation and Shuffling Scheme,” IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), vol. 70, no. 8, pp. 2789-2793, Aug. 2023.

[27] B.Yao, Q. Lei*, “A 250 MS/s 65.8 dB SNDR SAR ADC with Cross-Phase Common-Mode Feedback and Reconfigurable Inverter- Based Preamplifier in 28 nm CMOS,” IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), vol. 69, no. 12, pp. 4674-4678, Dec. 2022.

[26] Q. Lei, T. Meng, B.Yao, “A High-Speed Low-Noise Comparator With Auxiliary-Inverter Based Common-Mode-Self-Regulation for Low Supply Voltage SAR ADCs,” IEEE Transaction on Very Large Scale Integration Systems (TVLSI),  vol. 31, no. 1, pp. 152-156, Jan. 2023.

[25] Yifu Guo, Lei Qiu*, Bingbing Yao, “A Highly Area-Efficient Switching Scheme based on Charge Sharing and Capacitor Holding for  SAR ADCs”, Circuits, Systems and Signal Processing, vol 41, issue 7, pp. 6561–6580, 2022.

[24] Chuanshi Yang, Kai Tang, Lei Qiu, Yuanjin Zheng, "A 98.6 dB SNDR SAR ADC With a Mismatch Error Shaping Technique Implemented With Double Sampling," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 3, pp. 774-778, March 2022.

[23] Chuanshi Yang, Erik Olieman, Alphons Litjes, Lei Qiu, Kai Tang, Yuanjin Zheng, Robert Van Veldhoven, "An Area-Efficient SAR ADC With Mismatch Error Shaping Technique Achieving 102-dB SFDR 90.2-dBSNDR Over 20-kHz Bandwidth," in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 29, no. 8, pp. 1575-1585, Aug. 2021.

[22] Chuanshi Yang, Huaxi Sun, Siyu Liu, Lei Qiu, Zhongyuan Fang and Yuanjin Zheng, "A Broadband Resonant Noise Matching Technique for Piezoelectric Ultrasound Transducers," in IEEE Sensors Journal, vol. 20, no. 8, pp. 4290-4299, 15 April15, 2020.

[21] Yong Qu，Lei Qiu*, "I2V2 Average Current Control for Modular LED Drivers,” IEEE Transaction on Power Electronics, Early Access, 2020.

[20] L. Qiu, K. Wang, C. Yang and Y. Zheng, "A Low Power Pre-Setting Based Sub-Radix-2 Approximation for Multi-bit/cycle SAR ADCs," IEEE Access, vol. 8, pp. 83062-83069, 2020.

[19] Daiguo Xu, Hequan Jiang, Lei Qiu, Xiaoquan Yu, Jianan Wang, Zhengping Zhang, Can Zhu, Shiliu Xu, "A Linearity-Enhanced 10-Bit 160-MS/s SAR ADC With Low-Noise Comparator Technique," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 27, no. 9, pp. 1990-1997, Sep. 2019.

[18] Q. Lei, Supeng Liu, Zhongyuan Fang, Yuanjin Zheng, “An Adaptive Beamforming Technique for UWB Impulse Transceiv  IEEE Transaction on Circuits and Systems II: Express Briefs (TCASII), vol. 66, issue 3, pp. 417-421, 2019.

[17] Q. Lei, K. P. Wang, T. Kai, Y. Zhu, L. Siek, Y. Zheng, S. U, “A 16mW 1GS/s With 49.6dB SNDR TI-SAR ADC for Software Defined Radio in 65nm CMOS,” IEEE Transaction on Very Large Scale Integration Systems (TVLSI), vol. 26, issue 3,pp. 572-583, 2018.

[16] Q. Lei, K. P. Wang, T. Kai, L. Siek, Y. Zheng, “A 10-bit 300 MS/s 5.8 mW SAR ADC With Two-Stage Interpolation for PET Imaging,” IEEE Sensors Journal, vol. 18, issue 5,pp. 2006-2014, 2018.

[15] Q. Lei, S. P. Liu, Y, Zhang, Y. Zhu, Y. Zheng, S. U, “A 0.9–2.6 GHz Cognitive Radio Receiver With Spread Spectrum Frequency Synthesizer for Spectrum Sensing,” IEEE Sensors Journal, vol. 17, issue 22,pp. 7569-7577, 2017.

[14] Lei Qiu, Kai Tang, Yuanjin Zheng and Liter Siek, " A Flexible-Weighted Nonbinary Searching Technique for High-Speed SAR-ADCs,” IEEE Transaction on Very Large Scale Integration Systems (TVLSI), vol. 24, issue 8, pp. 4385-4399, 2016.

[13] Lei Qiu, Kai Tang, Yuanjin Zheng and Liter Siek, "A High-Speed 2b/cycle SAR ADC With Time Domain Quantization,” IEEE Transaction on Very Large Scale Integration Systems (TVLSI), Accepted, 2016.

[12] DaiGuo Xu, Lei Qiu*, Zhengping Zhang, Tao Liu, Lu Liu, Siliu Xu, " A Linearity-Improved 8-bit 320 MS/s SAR ADC with MetaStability Immunity Technique,” IEEE Transaction on Very Large Scale Integration Systems (TVLSI), Accepted, 2018. 

[11] K. Wang, L. Qiu, J. Koo, R. Ruby and B. Otis, "Design of 1.8-mW PLL-Free 2.4-GHz Receiver Utilizing Temperature-Compensated FBAR Resonator," IEEE Journal of Solid-State Circuits (JSSC), vol. 53, issue 6, pp,1628-1639, 2018.

[10] Y Wang, L Lou, B Chen, Y Zhang, K Tang, Lei Qiu, S Liu, Y Zheng, "A 260-mW Ku-Band FMCW Transceiver for Synthetic Aperture Radar Sensor With 1.48-GHz Bandwidth in 65-nm CMOS Technology,” IEEE Transactions on Microwave Theory and Techniques, vol. 65, issue 11, pp. 2808-2812, 2017.

[9] Q. Lei, Y. Zheng, S. Liter, "Design of frequency interleaving ADC with mismatch compensation,” Electronics Letters, vol. 50, issue. 9, pp. 659-661, 2014. 

[8] Q. Lei, Y. Zheng, S. Liter, " A source follower based high-speed switched capacitor amplifier for pipelined ADCs,” Electronics Letters, vol. 51, issue 1, pp. 21-23, 2015. 

[7] Q. Lei, Kai Tang, Y. Zheng, S. Liter, " A Meta-stability Immunity Technique for High Speed SAR ADCs,” Electronics Letters, vol. 53, issue 5, pp. 300-302, 2017.

[6] Keping Wang, Lei Qiu*, Wang zhigong, "69-78GHz ESD-protected SiGe BiCMOS power amplifier with 30dB automatic level control for mm-wave 5G applications,” Electronics Letters, Accepted, 2018.

[5] Lei Qiu, Yuanjin Zheng, Siek Liter, " Multichannel Time Skew Calibration for Time-Interleaved ADCs Using Clock Signal,” Circuits, Systems and Signal Processing, vol 35, issue 8, pp. 2669-2682, 2016.

[4] Lei Qiu, Yuanjin Zheng, Siek Liter, " A Filter Bank Mismatch Calibration Technique for Frequency-Interleaved ADCs,” Circuits, Systems and Signal Processing, vol 35, issue 11, pp. 3847-3862, 2016. 

[3] Fei Gao, R. Zhang, X. Feng, S. Liu, R. Ding, R. Kishor, Lei Qiu*, Y. Zheng, “Phase-domain photoacoustic sensing”, Applied Physics Letters, Vol. 110, Issue. 3, pp. 033701, 2017.

[2] Kuojun yang, Shulin Tian, Hao Zeng, Lei Qiu, Lianping Guo, “A seamless acquisition digital storage oscilloscope with three-dimensional waveform display,” Review of Scientific Instruments, vol.85, No.4, 2014.

[1] Guo, Lianping, Shulin Tian, Zhigang Wang, Kuojun Yang, Lei Qiu, "Analysis of Channel Mismatch Errors in Frequency-Interleaved ADC System." Circuits, Systems, and Signal Processing (2014): 1-16.

近年发表会议论文：

[7] Q. Lei, T. Kai, Y. Zhu, L. Siek, Y. Zheng, S. U, “A 10-bit 1GS/s 4-Way TI SAR ADC with Tapinterpolated FIR Filter based Time Skew Calibration,” IEEE Asian Solid-State Circuit Conference (ASSCC), 2016, pp. 77-80.

[6] Y. Wang, K. Tang, Y. Zhang, L. Lou, B. Chen, S. Liu, Lei Qiu, Y. Zheng, “A Ku-band 260mW FMCW SAR TRX with 1.48GHz BW in 65nm CMOS for Micro-UAVs,” IEEE ISSCC, pp. 240-241, Jan. 2016.

[5] Q. Lei, Kai Tang, Y. Zheng, S. Liter, " A Digital Time Skew Calibration Technique for Time-Interleaved ADCs,” in Proc. IEEE International Symp. Circuits and System (ISCAS), 2015, pp. 2297-2300.

[4] Q. Lei, Y. Zheng, D. Zhu, S. Liter, "A Statistic Based Time Skew Calibration Method for Time-Interleaved ADCs,” in Proc. IEEE International Symp. Circuits and System (ISCAS), 2014, pp. 2373–2376.

[3] Q. Lei, Y. Zheng, S. Liter, " Analysis and Design of High Performance Frequency-Interleaved ADC,” in Proc. IEEE International Symp. Circuits and System (ISCAS), 2013, pp. 2022- 2025.

[2] Zhu Di, Wang Jiacheng, Siek Liter, Kok Chiang Liang, Qiu Lei, Zheng, Yuanjin, “High Accuracy Time-Mode Duty-Cycle-Modulation Based Temperature Sensor for Energy Efficient System Applications.” International Symposium on Integrated Circuits (ISIC), 2014, pp. 400- 403.

[1] Y Wang, L Lou, B Chen, K Tang, Y Zhang, Lei Qiu, S Liu, Y Zheng, “Live demonstration: A Ku-band FMCW synthetic aperture radar transceiver for micro-UAVs”, in Proc. IEEE International Symp. Circuits and System (ISCAS), 2016, pp. 2378- 2378.