Publications - RFIC Group @ Fudan University

A 1.08GHz low-phase-noise voltage controlled oscillator with switched MIM capacitors

A Fast-Locking Fractional-N Synthesizer with Adaptive Bandwidth Control and 4/4.5 Prescaler

A Fractional-N Frequency Synthesizer without Noise Folding Effect

Publications

IEEE Journal and Conference papers

IEEE Transaction on Microwave Theory and Techniques

IEEE International Solid-State Circuit Conference

IEEE Asian Solid-State Circuits Conference

Chinese Journal papers

Patents

IEEE Journal and Conference papers

Tao Cheng, Tao Yang, Xin Wang, and Zhangwen Tang, "A Wideband CMOS Variable-Gain Low Noise Amplifier with Novel Attenuator," in 10th IEEE ASICON Proceedings, pp. 797-800 Oct. 2013.
Zhangwen Tang, Xiongxiong Wan, Minggui Wang and Jie Liu, "A 50-to-930 MHz, Quadrature-Output, Fractional-N Frequency Synthesizer with 770-to-1860 MHz Single-Inductor LC-VCO and without Noise Folding Effect for Multi-Standard DTV Tuners," IEEE International Solid State Circuit Conference(ISSCC), pp. 358-359, Feb. 17-21, 2013, San Francisco, CA, USA.
Rui Yin, Xiaoke Wen, Youchun Liao, Wei Zhang, and Zhangwen Tang, "Switch-embedded opamp-sharing MDAC with dual-input OTA in pipelined ADC," IET Electronics Letters, vol. 46, no. 12, pp. 831-832, Jun. 2010.
Lei Lu, Lingbu Meng, Liang Zou, Hao Min, and Zhangwen Tang, "A Sub-0.75°RMS-Phase-Error Differentially-Tuned Fractional-N Synthesizer with On-Chip LDO Regulator and Analog-Enhanced AFC Technique," IEEE Custom Integrated Circuits Conference(CICC), pp. 53-56, Sept.14-16, 2009, San Jose, California, USA. (Presentation PPT File)
Lei Lu, Jinghong Chen, Lu Yuan, Hao Min, and Zhangwen Tang, "An 18 mW 1.175-to-2 GHz Frequency Synthesizer with Constant Bandwidth for DVB-T Tuners," IEEE Transaction on Microwave Theory and Techniques, vol. 57, no.4, pp.928-937, April 2009.
Lei Lu, Zhichao Gong, Youchun Liao, Hao Min, and Zhangwen Tang, "A 975 to 1960 MHz, Fast-Locking Fractional-N Synthesizer with Adaptive Bandwidth Control and 4/4.5 Prescaler for DTV Tuners," IEEE International Solid State Circuit Conference(ISSCC), pp. 396-397, Feb. 8-12, 2009, San Francisco, CA, USA. (Presentation PPT File) (Silkroad Award)
Lei Lu, Zhangwen Tang, Pietro Andreani, Andrea Mazzanti, and Ali Hajimiri, "Comments on "Comments on "A General Theory of Phase Noise in Electrical Oscillators""," IEEE Journal of Solid-State Circuits, vol.43, No.9, pp. 2170, Sept. 2008.
Kefeng Han, Liang Zou, Youchun Liao, Hao Min, and Zhangwen Tang, "A Wideband CMOS Variable Gain Low Noise Amplifier Based on Single-to-Differential Stage for TV Tuner Application," IEEE Asia Solid-State Circuits Conference Proceedings, pp. 457-460, Nov. 2008, Fukuoka, Japan.
Liang Zou, Kefeng Han, Youchun Liao, Hao Min, and Zhangwen Tang, "A 12th Order Active RC Filter with Automatic Frequency Tuning for DVB Tuner Applications," IEEE Asia Solid-State Circuits Conference Proceedings, pp. 281-284, Nov. 2008, Fukuoka, Japan.
Lei Lu, Lu Yuan, Hao Min and Zhangwen Tang, "A Fully Integrated 1.175-to-2GHz Frequency Synthesizer with Constant Bandwidth for DVB-T applications," IEEE Radio Frequency Integrated Circuits Symposium(RFIC)., pp. 303-306, June 15-17, 2008, Atlanta, Georgia, USA. (Presentation PPT File)
Zhenyu Yang, Zhangwen Tang, and Hao Min, "A Fully Differential Charge Pump with Accurate Current Matching and Rail-to-Rail Common-Mode Feedback Circuit," IEEE International Symposium on Circuits and Systems, pp. 448-451, May 2008.
Youchun Liao, Zhangwen Tang, and Hao Min, "A CMOS Wide-Band Low-Noise Amplifier with Balun-Based Noise-Canceling Technique," IEEE Asia Solid-State Circuits Conference Proceedings, pp. 91-94, Nov. 2007, Jeju, Korea.
Liming Jin, Zhangwen Tang, and Hao Min, "A Low Noise High Linearity CMOS Upconversion Mixer," in 7th IEEE ASICON Proceedings, pp. 431-434 Oct. 2007.
Youchun Liao, Zhangwen Tang, and Hao Min, "A Wide-band CMOS Low-Noise Amplifier for TV Tuner Applications," IEEE Asia Solid-State Circuits Conference Proceedings, pp. 259-262, Nov. 2006, Hangzhou, China.
Zhangwen Tang, Jie He, and Hao Min, "A Low-phase-noise 1-GHz LC VCO Differentially Tuned by Switched Step Capacitors," IEEE Asia Solid-State Circuits Conference Proceedings, pp. 409-412, Nov. 2005, Hsinchu, Taiwan.
Zhangwen Tang, Jie He, Hongyan Jian, and Hao Min, "An Accurate 1.08GHz CMOS LC Voltage-Controlled Oscillators," IEEE Asia South Pacific Design Automation Conference Proceedings, pp. 889-892, Jan. 2005.
Zhangwen Tang, Jie He, Hongyan Jian, Haiqing Zhang, and Hao Min, "Prediction of LC-VCOs' Tuning Curves by Period Calculation Technique," IEEE Asia South Pacific Design Automation Conference Proceedings, pp.687-690, Jan. 2005.
Hongyan Jian, Zhangwen Tang, Jie He, and Hao Min, "Standard CMOS Technology On-chip Inductors with pn Junctions Substrate Isolation," IEEE Asia South Pacific Design Automation Conference Proceedings, pp. D5-D6, Jan. 2005.
Hongyan Jian, Zhangwen Tang, Jie He and Hao Min, "Analysis of Self-resonant Frequency for Differential-driven Symmetric and Single-ended Inductors," 2004 7th International Conference on Solid-state and Integrated Circuits Technology, pp.194-197, Oct. 2004.
Lingling Sun, Jinxing Yan, Jincai Wen, Hongyan Jian, and Zhangwen Tang, "A Simple Equivalent Circuit Model for CMOS Multi-level Spiral Inductors," 2004. ICMMT 4th International Conference on Microwave and Millimeter Wave Technology, pp.562-565. Aug. 2004.
Zhangwen Tang, Wang Yang and Hao Min, "High-Performance All-Digital Quadrature Frequency Synthesizer/Mixer," in 45th IEEE Midwest Symposium on Circuits and Systems Proceedings, pp. I-1-4, Aug. 2002. EI No. : EIP03177449565
Zhangwen Tang, Zhanpeng Zhang, Jie Zhang and Hao Min, "A High-Speed, Programmable CSD Coefficient FIR Filter," in 4th IEEE ASICON Proceedings, pp. 397-400, Oct. 2001. EI No. : EIP02126890623
Zhangwen Tang, Jie Zhang and Hao MIn, "A High-Speed, Programmable CSD Coefficient FIR Filter," IEEE Transactions on Consumer Electronics, vol. 48, no. 4, pp. 834-837, Nov 2002. SCI No. : 632WP, EI No. : EIP03087365994

Chinese Journal papers

Xin Wang, Tao Cheng, Jie Liu, and Tang, Zhangwen, "A high linearity multi-band and gain adjustable channel-select filter for TV-tuner application," Journal of Semiconductors, vol. 34, no. 9, Sep. 2013.
Kefeng Han, Xi Tan, Zhangwen Tang, and Hao Min, "A wideband CMOS VGLNA based on single-to-differential stage and resistive attenuator for TV Tuners," Journal of Semiconductors, vol. 32, no. 7, Jul. 2011.
Zhaolei Huang, Lei Lu, Zhangwen Tang, "A Fractional Frequency Divider with Quantization Noise Suppression," Research and Progress of Solid State Electronics, vol. 31, no. 4, pp. 190-195, Apr. 2011.
Rui Yin, Youchun Liao, Wei Zhang, and Zhangwen Tang, "A 10-bit 80-MS/s opamp-sharing pipelined ADC with a switch-embedded dual-input MDAC," Journal of Semiconductors, vol. 32, no. 2, Feb. 2011.
Kefeng Han, Shengguo Cao, Xi Tan, Na Yan, Junyu Wang, Zhangwen Tang, and Hao Min, " A 900 MHz, 21 dBm CMOS linear power amplifier with 35% PAE for RFID readers," Journal of Semiconductors, vol. 31, no. 12, Dec. 2010.
Lingbu Meng, Lei Lu, Wei Zhao, and Zhangwen Tang, "A 2-to-2.4-GHz differentially-tuned fractional-N frequency synthesizer for DVB tuner applications," Journal of Semiconductors, vol. 31, no. 7, Jul. 2010.
Wei Zhao, Lei Lu, and Zhangwen Tang, "A low-phase-noise digitally controlled crystal oscillator for DVB TV tuners," Journal of Semiconductors, vol. 31, no. 7, Jul. 2010.
Liang Zou, Youchun Liao, and Zhangwen Tang, "An eighth order channel selection filter for low-IF and zero-IF DVB tuner applications," Journal of Semiconductors, vol. 30, no. 11, Sept. 2009.
Zhichao Gong, Lei Lu, Youchun Liao, and Zhangwen Tang, "Design and noise analysis of a fully-differential charge pump for phase-locked loops," Journal of Semiconductors, vol. 30, no. 10, Sept. 2009.
Liming Jin, Ronghua Ni, Zhangwen Tang and Hao Min, "Low noise high linearity CMOS upconversion mixer," Research and Progress of Solid State Electronics, vol. 28, no. 3, pp. 363-367, Sept. 2008.
Liming Jin, Ronghua Ni, Youchun Liao, Hao Min and Zhangwen Tang, "An RF front-end for a fully integrated CMOS DTV tuner," Chinese Journal of Semiconductors, vol. 29, no. 6, pp. 1204-1209, Jun. 2008.
Ronghua Ni, Xi Tan, Zhangwen Tang, and Hao Min, "Analysis and design of a quadrature down-conversion mixer for UHF RFID readers," Chinese Journal of Semiconductors, vol. 29, no. 6, pp. 1128-1135, Jun. 2008.
Lu Yuan, Zhangwen Tang, and Hao Min, "A Wideband LC-VCO with Small Tuning Gain Fluctuation," Chinese Journal of Semiconductors, vol. 29, no. 5, pp. 1003-1009, May 2008.
Zhenyu Yang, Zhangwen Tang, and Hao Min, "A High-Performance Fully Differential Charge Pump for Frequency Synthesizer Applications," Chinese Journal of Semiconductors, vol. 28, no. 12, pp. 1993-1998, Dec. 2007.
Lei Lu, Feng Zhou, Zhangwen Tang, Hao Min, and Junyu Wang, "Equivalent Model and Parameter Extraction of Center-Tapped Differential Inductors," Chinese Journal of Semiconductors, vol. 27, no. 12, pp. 2150-2154, Dec. 2006.
Youchun Liao, Zhangwen Tang, and Hao Min, "A Wide-band CMOS Low-Noise Amplifier for TV Tuner Applications," Chinese Journal of Semiconductors, vol. 27, no. 11, pp. 2029-2034, Nov. 2006.
Ke Liu, Hongyan Jian, Chenling Huang, Zhangwen Tang, and Hao Min, "Suppressing of On-Chip Inductor Current Crowding by a Multi-Current-Path Method," Chinese Journal of Semiconductors, vol. 27, no. 9, pp. 1690-1694, Sep. 2006.
Jun Tan, Zhangwen Tang, and Hao Min, "A CMOS High-Speed Sample-and Hold Amplifier," Microelectronics, China, vol. 36, no. 1, pp.90-93, Feb. 2006.
Zhangwen Tang, Jie He, and Hao Min, "A LC Voltage-Controlled Oscillator Tuned by Switched Step Capacitors: Part II, Circuit Design and Implementation," Chinese Journal of Semiconductors, vol. 26, no. 11, pp. 2182-2190, Nov. 2005.
Zhangwen Tang, Jie He, and Hao Min, "A LC Voltage-Controlled Oscillator Tuned by Switched Step Capacitors: Part I, Analysis of Tuning Characteristics," Chinese Journal of Semiconductors, vol. 26, no. 10, pp. 2010-2021, Nov. 2005.
Zhangwen Tang, Jie He, Hongyan Jian, Haiqing Zhang and Hao Min, " Time-Domain Analysis of LC-VCOs' Tuning Curves," Acta Electronica Sinica, China, vol. 33, no. 8, pp. 1467-1472, Aug. 2005.
Jie He, Zhangwen Tang, Hao Min, and Zhiliang Hong, "A CMOS Fully Integrated Frequency Synthesizer with Stability Compensation," Chinese Journal of Semiconductors, vol.25, No.8, Aug. 2005.
Hongyan Jian, Jue Tang, Zhangwen Tang, Jie He, and Hao Min, "Patterned Dual pn Junctions Restraining Substrate Loss of an On-Chip Inductor," Chinese Journal of Semiconductors, vol.26, No.7, Jul. 2005.
Hongyan Jian, Zhangwen Tang, Jie He, and Hao Min, "Analysis and Optimum Design of Differential Inductors Using Distributed Capacitance Model," Chinese Journal of Semiconductors, vol.26, No.6, June 2005.
Zhangwen Tang, Jie He, Hongyan Jian, and Hao Min, "An Accurate 1.08GHz CMOS LC Voltage-Controlled Oscillator," Chinese Journal of Semiconductors, vol.26, No.5, May 2005.
Rong Wu, Xiaofeng Yi, Zhangwen Tang, Yanfeng Su, and Zhiliang Hong, "Design of 1.5V LC Voltage-Controlled High Frequency Oscillator of Low Phase Noise," Journal of Fudan University (Natural Science), China, vol.44, no.1, pp. 166-172, Feb. 2005.
Yang Wang, Zhangwen Tang, Ling Xin, Shi Shu, and Hao Min, "An Advanced Digital Video Encoder for Multi-Standard Compatibility," Microelectronics, China, vol. 34, no. 5, pp.562-568, Oct. 2004.
Shi Shu, Zhangwen Tang and Hao Min, "A Study on the Static Verification Methodology for Synthesized ASIC Design," Microelctronics, China, vol. 34, no.1, pp. 56-59, Feb. 2004.
Jingzhen Hu, Zhangwen Tang and Hao Min, "An Automatic Design Methodology for Deep Submicron Digital IC's," Microelectronics, China, vol. 32, no. 4, pp. 261-264, Aug. 2002.
An Chen, Zhangwen Tang and Hao Min, "Design of a Slave I2C Bus Interface Circuit and Its VLSI Implementation," Microelectronics, China, vol. 32, no. 3, pp. 185-188, Jun. 2002.
Yongming Zhu, Zhangwen Tang and Hao Min, "Research on the Full-Scan Method in Design for Testability," Microelectronics, China, vol. 32, no. 3, pp. 189-194, Jun. 2002.
Zhangwen Tang, Jie Zhang and Hao Min, "A New High Speed FIR Filter Structure and VLSI Implementation," Acta Electronica Sinica, China, vol. 30, no. 2, pp. 295-297, Feb. 2002.
Zhangwen Tang, Jie Zhang and Hao MIn, "A Robust Rail-to-Rail CMOS Operational Amplifier," Microelectronics, China , vol. 32, no. 1, pp. 46-50, Feb. 2002.
Zhangwen Tang and Hao Min, "A Direct Digital Frequency Synthesizer Implementation with FPGA," Microelectronics, China, vol. 31, no. 6, pp. 451-454, Dec. 2001.
Zhangwen Tang, Junjun Wu and Hao Min, "A High-Speed CSD Coefficient Filter Structure and VLSI Implementation," Semiconductor Technology, China, vol. 26, no. 11, pp. 22-25, Nov. 2001.

Patents

Zhangwen Tang, Jie He, Youchun Liao, and Hao Min, "Analysis of Tuning curve of Voltage-Controlled Oscillators with Switched Step Capacitors". Application No. 200510023303.6.
Hongyan Jian, Junyu Wang, Zhangwen Tang, Jie He, and Hao Min, "small-area high-performance 3D differential inductors ". Application No. 200510023534.7.
Hongyan Jian, Junyu Wang, Zhangwen Tang, Jie He, and Hao Min, "Differentially-driven symmetric inductors with Low parasitic capacitance in standard CMOS process ". Application No. 200410067598.2.
Hongyan Jian, Zhangwen Tang, Jie He, and Hao Min, "Optimization of on-chip inductors with pn-junction substrate isolation ". Application No. 200410067600.6.
Hongyan Jian, Zhangwen Tang, Jie He, and Hao Min, "Current-Crowding Suppressing of On-Chip Inductor by a Multi-Current-Path Method". Application No. 200410067599.2.