Research Fields

先进电源管理芯片与系统;数模混合及射频系统的低功耗设计;光电传感器、生物医疗芯片;低温模拟/射频集成电路建模与设计;无人机自主导航系统与应用;新型半导体功率器件及功率模块。

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主持国家重大项目、重点研发计划、国家自然科学基金、省部级项目及其他横向课题40余项,是陕西省重点创新团队负责人。  

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(a)   期刊论文

[1] Z. Xue, S. Fan, D. Li, L. Zhang, W. Gou and L. Geng*, "A 13.56 MHz, 94.1% Peak Efficiency CMOS Active Rectifier With Adaptive Delay Time Control for Wireless Power Transmission Systems," in IEEE Journal of Solid-State Circuits, vol. 54, no. 6, pp. 1744-1754, June 2019.

[2] Y. Zhang, et al, Li Geng "A Fractional-N PLL With Space-Time Averaging for Quantization Noise Reduction," in IEEE Journal of Solid-State Circuits2019.

 [3] Z. Guo, Haiqi Li, Dan Li , Shiquan Fan , Xiaoyan Gui, Zhongming Xue , Zeqiang Chen , Li Geng* Li Geng* "Topological Classification-Based Splitting–Combining Methodology for Analysis of Complex Multi-Loop Systems and Its Application in LDOs," in IEEE Transactions on Power Electronics, vol. 34, no. 7, pp. 7025-7039, July 2019.

[4] D. Li, Ming Liu, Shengwei Gao, Yongjun Shi, Yihua Zhang,  Zhiyong Li, Patrick Yin Chiang, Franco, Li Geng* "Low-Noise Broadband CMOS TIA Based on Multi-Stage Stagger-Tuned Amplifier for High-Speed High-Sensitivity Optical Communication," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 10, pp. 3676-3689, Oct. 2019.  

[5] Shiquan Fan , Zheyi Yuan , Wei Gou, Yang Zhao ,Chaoyun Song , Yi Huang, Jiafeng Zhou, Li Geng* "A 2.45-GHz Rectifier-Booster Regulator With Impedance Matching Converters for Wireless Energy Harvesting," in IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 9, pp. 3833-3843, Sept. 2019.  

[6] B. Tang, X. Gui, J. Xu, Q. Xia and L. Geng*, "A Dual Interference-Canceling Active Quasi-Circulator Achieving 36-dB Isolation Over 6-GHz Bandwidth," in IEEE Microwave and Wireless Components Letters, vol. 29, no. 6, pp. 409-411, June 2019.

[7] Dan Li , Zhuoqi Guo , Yongjun Shi, Yihua Zhang, Dong Yang, Shengwei Gao, Xiaoyan Gui , Shiquan Fan, and Li Geng Li Geng* "Stacked Multi-Channel Receiver Architecture for Power-Efficient High-Speed Optical Links," in IEEE Photonics Technology Letters, vol. 31, no. 7, pp. 501-504, 1 April1, 2019.

[8] C. Yang, Y. Wang, X. Wang and L. Geng, "WRA: A 2.2-to-6.3 TOPS Highly Unified Dynamically Reconfigurable Accelerator Using a Novel Winograd Decomposition Algorithm for Convolutional Neural Networks," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 9, pp. 3480-3493, Sept. 2019.   

[9] Y. Song, P. Wen, H. Liu, Y. Wang and L. Geng, "Design of Compact Balanced-to-Balanced Diplexer Using Dual-Mode CRLH Resonator for RFID and 5G Applications," in IEEE Journal of Radio Frequency Identification, vol. 3, no. 3, pp. 143-148, Sept. 2019.  4.

[10] M. Wu, C. Ban, J. Xu, L. Geng and D. Chen, "MIRE: A Multi-Tone Identification and Replacement Method for Multi-Tone Spectral Test without Requiring Coherent Sampling," in IEEE Transactions on Instrumentation and Measurement.

[11] Yan Song , Chi-Hang Chan , Yan Zhu , Li Geng , Seng-Pan U , Rui Paulo Martins, Passive Noise Shaping in SAR ADC With Improved Efficiency, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, Volume: 26 , Issue: 2, 416 – 4202018

[12] Huixiang Huang, Sufen Wei, Jinyan Pan, Wenbin Xu, Chi-Cheng Chen, Qiang Mei, Jinhai Chen, Li Geng, Zhengxuan Zhang, Threshold Voltage Model of Total Ionizing Irradiated Short-Channel FD-SOI MOSFETs With Gaussian Doping Profile, IEEE Transactions on Nuclear Science, Volume: 65 , Issue: 10, 2679 – 26902018

[13] Shiquan Fan,  Ran Wei,  Liuming Zhao,  Xu Yang,  Li Geng,  Philip X.-L. Feng, An Ultralow Quiescent Current Power Management System With Maximum Power Point Tracking (MPPT) for Batteryless Wireless Sensor Applications, IEEE Transactions on Power Electronics, Volume: 33 , Issue: 9, 7326 – 73372018 (Highlight paper)

[14] Jie Zhang, Dan Li, Shiquan Fan, Zhuoqi Guo, Weibo Hu, and Li Geng*, Theoretical Model of EnDP to Achieve Energy-Efficient SRAM. IEEE Transactions on Circuits and Systems I: Regular Papers, Volume: 64, Issue: 8, 2049 – 2062, 2017

[15] Shiquan Fan, Haiqi Li, Zhuoqi Guo, Li Geng*, A 5.2 μA Quiescent Current LDO Regulator With High Stability and Wide Load Range for CZT Detectors, IEEE Transactions on Nuclear Science, 2017, Volume: 64,  4, 1087 - 1094

[16] Ying zhang, Dan Li, Hao Lu, Shiquan Fan, Zeqiang Chen,Yan Wang, Li Geng*, Analysis and Implementation of High-Performance Integrated KY Converter, IEEE Transactions on Power Electronics, Volume: 32, Issue: 12, 9051 – 9064, 2017

[17] Huixiang Huang, Sufen Wei, Kai Tang, Li Geng*,“Enhanced Radiation Hardness in SOI MOSFET with Embedded Tunnel Diode Layer[J], IEEE Transactions on Nuclear Science”, PP(99): 1-1, 2017

[18] Shiquan Fan, ZhongmingXue, ZhuoqiGuo, Yan Wang, and Li Geng*, VRSPV Soft-start Strategy and AICS Technique for Boost Converters to Improve the Start-up Performance, IEEE Transactions on Power Electronics, vol.31, no.5, pp.3663-3672, 2016.

[19] Yan Song, ZhongmingXue, Yi Xie, Shiquan Fan, and Li Geng*, A 0.6-V 10-bit 200-kSs Fully Differential SAR ADC With Incremental Converting Algorithm for Energy Efficient Applications, IEEE Transactions on Circuits and Systems –I, 63: 4: 449-458, 2016.

[20] Shiquan Fan, ZhongmingXue, Hao Lu, Yan Song, and Li Geng*. Area-Efficient On-chip DC-DC Converter with Multiple-output for Bio-medical Applications, IEEE Transactions on Circuits and Systems –I, vol.61, no.11, pp.3298-3308, 2014

[21] Mengtao Miao, Shiquan Fan, Ying Zhang, Zhongming Xue, Li Geng*, Fully Integrated KY Converter with Optimized Reverse Current for DCM Operation, Microelectronics and Computer, vol. 34, no.5, 2017

[22] Guanglin Li, Jie Zhang, Zhongxia Shang, Li Geng*, “Radiation-Hardened SRAM for Dynamic Voltage Frequency Systems” Microelectronics and Computer, vol. 34, no.8, 2017

(b)  会议论文

[1] Z. Guo, R. Xu, L. Geng* and B. Li, "High-Voltage Driver for Fully-Integrated Piezoelectric Inkjet Printhead Module," 2019 International Conference on IC Design and Technology (ICICDT), SUZHOU, China, 2019, pp. 1-4.

[2] L. Geng*, Z. Xue, S. Fan, D. Li and B. Zhang, "Active Rectifiers in Wireless Power Transmission Systems," 2019 International Conference on IC Design and Technology (ICICDT), SUZHOU, China, 2019, pp. 1-3.

[3] Y. Zhang et al., Li Geng "A 2.4-GHz ΔΣ Fractional-N Synthesizer with Space-Time Averaging for Noise Reduction," 2019 IEEE Custom Integrated Circuits Conference (CICC), Austin, TX, USA, 2019, pp. 1-4.
[4] C. Ban, M. Wu, J. Xu, L. Geng and D. Chen, "An Accurate and Efficient Method for Eliminating the Requirement of Coherent Sampling in Multi-Tone Test," 2019 IEEE 37th VLSI Test Symposium (VTS), Monterey, CA, USA, 2019, pp. 1-6.

[5] Y. Shi, D. Li, S. Gao, Y. Zhang and L. Geng, "A 112Gb/s Low-Noise PAM-4 Linear Optical Receiver in 28nm CMOS," 2019 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Xi'an, China, 2019, pp. 1-3.
[6] Y. Liu, D. Li, H. Liu and L. Geng*, "A 0.75GHz-1.75GHz SiGe LNA for Cryogenic Application," 2019 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Xi'an, China, 2019, pp. 1-2.
[7] Z. Yuan, S. Fan and L. Geng*, "A 225-mA Binary Searching Digital LDO with Transient Enhancement," 2019 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Xi'an, China, 2019, pp. 1-2.
[8] Z. Yuan, S. Fan and L. Geng*, "A Fully Integrated CMOS Active Rectifier-Booster Regulator for RF Energy Harvesting," 2019 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Xi'an, China, 2019, pp. 1-2.
[9] R. Zhang, P. Li, L. Lin, T. Cheng, K. Han and L. Geng*, "A high efficient triple-stacked 28VGaAs MMIC power amplifier with bandwidth of 6.5-10.5GHz," 2019 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Xi'an, China, 2019, pp. 1-3.

[10] S. Lei, S. Yu, B. Zhang, G. Wang and L. Geng, "A 4-Tap CMOS lock-in modulator with Anti-Interference and Background Canceling for Solid-State Long-Range LiDAR," 2019 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Xi'an, China, 2019, pp. 1-2.
[11] Y. Su, Q. Xia, L. Geng and X. Liu, "A Highly Linear Low Power Envelope Detector," 2019 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Xi'an, China, 2019, pp. 1-2.

[12] Y. Zhang et al. Li Geng*, "A Stacked 4×25 Gb/s Optical Receiver in 28 nm CMOS with 0.154 mW/Gb/s Power Efficiency," 2019 IEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, 2019, pp. 1-4.

[13] Zhongming Xue, Shiquan Fan, Lina Zhang, Zhuoqi Guo, Li Dong, Dan Li, Li Geng*, Single-stage dual-output AC-DC converter for wireless power transmission, 2018 IEEE Custom Integrated Circuits Conference (CICC), 2018.

[14] Yan Song, Yan Zhu, Chi-Hang Chan, Li Geng, Rui Paulo Martins, A 77dB SNDR 12.5MHz Bandwidth 0–1 MASH ∑Δ ADC Based on the Pipelined-SAR Structure, 2018 IEEE Symposium on VLSI Circuits, 2018.

[15] Shiquan Fan, Wei Gou, Yang Zhao, Chaoyun Song, Yi Huang, Jiafeng Zhou, Li Geng*, A Novel Rectenna Array with RBR for Long-Distance WLAN Energy Harvesting System, 2018 IEEE Wireless Power Transfer Conference (WPTC), 2018.

[16] Zhongming Xue, Shiquan Fan, Zhuoqi Guo, Li Geng*, Low Power On/Off Control Method for Active-Diode Applied in Wireless Power Transmission, 2018 IEEE Wireless Power Transfer Conference (WPTC), 2018.

[17] Yang Xie, Dan Li, Yiqun Liu, Ming Liu, Yihua Zhang, Xiaoli Wang, Li Geng*, Low-Noise High-Linearity 56Gb/s PAM-4 Optical Receiver in 45nm SOI CMOS, 2018 IEEE International Symposium on Circuits and Systems (ISCAS), 2018.

[18] Rui Zhang, Shiquan Fan, Li Geng*, A Near-Zero-Power Temperature Sensor with ±0.24 °C Inaccuracy Using Only Standard CMOS Transistors for IoT Applications, 2018 IEEE International Symposium on Circuits and Systems (ISCAS), 2018.

[19] Peng Li, Qin Xia, Zeqiang Chen, Li Geng*, High efficiency triple-stacked class-E power amplifier with novel dynamic biasing network,2018 IEEE MTT-S International Wireless Symposium (IWS), 2018.

[20] Bingjun Tang, Jiangtao Xu, Li Geng*, Integrated active quasi-circulator with 27 dB isolation and 0.8–6.8GHz wideband by using feedback technique, 2018 IEEE MTT-S International Wireless Symposium (IWS), 2018.

[21] Shiquan Fan, Jun Dong, Rui Zhang, Zhongming Xue, Li Geng*, A reconfigurable multi-ratio charge pump with wide input/output voltage range for wireless energy harvesting system, 2018 IEEE MTT-S International Wireless Symposium (IWS), 2018.

[22] Shiquan Fan, Yang Zhao, Wei Gou, Chaoyun Song, Yi Huang, Jiafeng Zhou, Li Geng*, A high-efficiency radio frequency rectifier-booster regulator for ambient WLAN energy harvesting applications, 2018 IEEE MTT-S International Wireless Symposium (IWS), 2018.

[23] Chen Yang, HaiBo Zhang, XiaoLi Wang, Li Geng*, An Energy-Efficient and Flexible Accelerator based on Reconfigurable Computing for Multiple Deep Convolutional Neural Networks, 14th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT), 2018.

[24] Chen Yang, YiZhou Wang, XiaoLi Wang, Li Geng, A reconfigurable accelerator based on fast Winograd algorithm for convolutional neural network in Internet of Things, 14th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT), 2018.

[25] Baoting Li, Longiun Liu, Jiahua Liang, Hongbin Sun, Li Geng, Nanning Zheng, Exploring Resource-Aware Deep Neural Network Accelerator and Architecture Design, IEEE 23rd International Conference on Digital Signal Processing (DSP), 2018.

[26] Bingjun Tang, Xiaoyan Gui, Li Geng*, Design of A Low-Supply Sensitivity LC VCO with Complementary Varactors, IEEE 61st International Midwest Symposium on Circuits and Systems (MWSCAS), 2018

[27] Xiaoyan Gui, Kai Li, Xiaoli Wang, Li Geng, A Dual-Path Open-Loop CMOS Slew-Rate Controlled Output Driver with low PVT Variation IEEE 61st International Midwest Symposium on Circuits and Systems (MWSCAS), 2018.

[28] ZhongmingXue, Dan Li, Wei Gou, Lina Zhang, Shiquan Fan, and Li Geng*, “A Delay Time Controlled Active Rectifier with 95.3% Peak Efficiency for Wireless Power Transmission Systems”,  IEEE International Symposium on Circuits & Systems, (IEEE ISCAS), 2017

[29] Shiquan Fan, ZhuoqiGuo, Jie Zhang, Xu Yang, Li Geng*, “An Auxiliary Switched-Capacitor Power Converter (SCPC) Applied in Stacked Digital Architecture for Energy Utilization Enhancement”, IEEE International Symposium on Circuits & Systems (IEEE ISCAS),2017

[30] Shiquan Fan,Liuming Zhao, Ran Wei, Li Geng, Philip X.-L. Feng, “An Ultra-Low Quiescent Current Power Management ASIC with MPPT for Vibrational Energy Harvesting”IEEE International Symposium on Circuits & Systems(IEEE ISCAS),2017

[31] Chengyang He, Li Dong, Zheyi Yuan, Dan Li, Shiquan Fan, Li Geng*, Analysis of ECG Signals Based on Wavelet Transform, Annual meeting of the Eleventh Semiconductor Industry Association,2017

[32] Li Dong, Shaoyang Cui, Yan Song, Li Geng*, Design of ECG Signal Front End Amplifier Based on Chopping and Input Impedance Enhancement”, Annual meeting of the Eleventh Semiconductor Industry Association of China, 2017

[33] Yan Song, Yang Du, Yi Xie, Li Geng*, Real - time Calibration of High Efficiency Comparator for SAR ADC”, Annual meeting of the Eleventh Semiconductor Industry Association of China, 2017

[34] Zheyi Yuan, Zeqiang Chen, Chengyang He, Qin Xia, Li Geng*, Design of Low Power and High Output Slew Rate in Hybrid Envelope Amplifier”,Annual meeting of the Eleventh Semiconductor Industry Association, 2017

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