JOURNAL ARTICLES
Q. J. Gu, Z. Xu, A. Tang, and M.-C. F. Chang, "A D-band Passive Imager in 65nm CMOS," IEEE Microwave and Wireless Components Letters, vol.22, no. 5, pp. 263-265, May 2012
Q. J. Gu, Z. Xu, and M.-C. F. Chang, "Two-Way Current Combining W-Band Power Amplifier in 65 nm CMOS," IEEE Transactions on Microwave Theory and Techniques, vol. 60, no. 5, pp. 1365-1374, May 2012
Q. J. Gu, Z. Xu, H.-Y. Jian, X. Xu, F. Chang, W. Liu, and H. Fetterman, "CMOS THz Generator with Frequency Selective Negative Resistance Tank," IEEE Transactions on Terahertz Science and Technology, vol. 2, no. 2, March 2012
Z. Xu, Q. J. Gu, Y.-C. Wu, H.-Y. Jian, and M. C. Frank Chang, "A 70~78GHz Integrated CMOS Frequency Synthesizer for W-band Satellite Communications," IEEE Transactions on Microwave Theory and Techniques, vol.59, no.12, pp.3206-3218, Dec.2011
A. Tang, Q. J. Gu, and M.-C. F. Chang, "CMOS Receivers for Active and Passive mm-Wave Imaging," invited paper to IEEE Communication Magazine, vol. 49, no. 10, Oct. 2011
Z. Xu, Q. J. Gu, and M.-C. F. Chang, "A Three Stage, Fully Differential 128 ¨C 157 GHz CMOS Amplifier with Wide Band Matching," IEEE Microwave and Wireless Components Letters, vol. 21, no. 10, pp 550-552, Oct. 2011
Z. Xu, Q. J. Gu, and M.-C. F. Chang, "A 100-117GHz W-band CMOS Power Amplifier with On-Chip Adaptive Biasing," IEEE Microwave and Wireless Components Letters, vol. 21, no. 10, pp 547-549, Oct. 2011
Q. J. Gu, H.-Y. Jian, Z. Xu, Y.-C. Wu, F. Chang, Y. Baeyens, and Y.-K. Chen, "CMOS Prescaler(s) with Maximum 208GHz Dividing Speed and 37GHz Time-Interleaved Dual-Injection Locking Range," IEEE Transactions on Circuits and Systems-II, vol.58, no.7, pp. 393-397, July 2011
D. Murphy, Q. J. Gu, Y.-C. Wu, H.-Y. Jian, Z. Xu, A. Tang, F. Wang, and M.-C. F. Chang, "A Low Phase Noise, Wideband and Compact CMOS PLL for Use in a Two-Step, Zero-IF, 802.15.3c Transceiver," IEEE Journal of Solid-State Circuits, vol. 46, no. 7, pp.1606-1617, July, 2011
J. Y.-C. Liu, Q. J. Gu, A. Tang, N.-Y.Wang, and M.-C. F. Chang, "A 60 GHz Tunable Output Profile Power Amplifier in 65 nm CMOS," IEEE Microwave and Wireless Components Letters, vol.21, issue 7, pp. 377-379, July 2011
Q. J. Gu, Z. Xu, H.-Y. Jian, A. Tang, M.-C. F. Chang, C.-Y. Huang, and C.-C. Nien, "A 100 GHz Integrated CMOS Passive Imager with >100MV/W responsivity, 23fW/sqrt(Hz) NEP," IET Electronics Letters, vol. 47, issue 9, pp. 544-545, 2011, Featured Article
Z. Xu, Q. J. Gu, and M. C. Frank Chang, "A 200GHz CMOS Amplifier working close to Device fT," IET Electronics Letters, vol. 47, issue. 11, pp. 639-641, 2011
Q. Gu, Z. Xu, D. Huang, T. LaRocca, N. Wang, and M.-C. F. Chang, "A Low Power V-Band CMOS Frequency Divider with Wide Locking Range and Accurate Quadrature Output Phases," IEEE Journal of Solid-State Circuits, pp. 991-998, Apr. 2008.
M. F. Chang, I. Verbauwhede, C. Chien, Z. Xu, J. Kim, J. Ko, Q. Gu, and B. Lai, "Advanced RF/Baseband Interconnect Schemes for Inter- and Intra-ULSI Communications," IEEE Trans. On Electron Devices, vol. 52, no. 7, pp. 1271-1285, Jul. 2005.
CONFERENCE PAPERS
A. Tang, D. Murphy, F. Hsiao, Q. J. Gu, Z. Xu, G. Virbila, Y.-H. Wang, H. Wu, L. Nan, Y.-C. Wu, and M.-C. F. Chang, "A CMOS 135-150 GHz 0.4 dBm EIRP Transmitter with 5.1dB P1dB Extension Using IF Envelope Feed-Forward Gain Compensation," 2012 IEEE MTT-S International Microwave Symposium
A. Tang, Q. J. Gu, Z. Xu, G. Virbila and M.-C. F. Chang, "A Max 349 GHz 18.2mW/Pixel CMOS Inter-modulated Regenerative Receiver for Tri-Color mm-Wave Imaging," 2012 IEEE MTT-S International Microwave Symposium
A. Tang, G. Virbila, Y.-H. Wang, Q. J. Gu, Z. Xu, L. Du, N. Yan, Y.-H. Wu, Y.-C. Wu, M.-C. F. Chang, "A 200 GHz 16-pixel Focal Plane Array Imager using CMOS Super Regenerative Receivers with Quench Synchronization," 2012 IEEE MTT-S International Microwave Symposium
A. Tang, G. Virbila, D. Murphy, F. Hsiao, Y.-H. Wang, Q. J. Gu, Z. Xu, Y.-C. Wu, M. Zhu, and F. Chang, "A 144 GHz Sub-Carrier Phase-Based mm-Wave Radar Chipset for 3D Imaging in 65nm CMOS," accepted by 2012 IEEE International Solid-State Circuits Conference (ISSCC)
A. Tang, F. Hsiao, D. Murphy, I-N. Ku, J. Y. Liu, N.-Y. Wang, S. D'Souza, H. Wu, Y.-H. Wang, Y.-C. Kuan, M. Tang, M. Pham, G. Virbila, D. Yang, Q. J. Gu, C. Chien and M.-C. F. Chang, "A Low Overhead Self-Healing Embedded System for Ensuring High Performance Yield and Long-Term Sustainability of a 60GHz 4Gbps Radio-on-a-Chip," accepted by 2012 IEEE International Solid-State Circuits Conference (ISSCC)
Q. J. Gu, "W-Band Transmitter with Injection Locking Frequency Multiplier based Phase Shifter for Large Phase Array Systems," accepted by 2012 GoMAC
Q. J. Gu, Z. Xu, and M.-C. F. Chang, "Millimeter Wave and Sub-millimeter Wave Circuits for Integrated System-On-a-Chip," 2011 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) Best Paper Award
Z. Xu, Q. J. Gu, and M.-C. F. Chang, "A W-band Current Combined Power Amplifier with 14.8dBm Psat and 9.4% Maximum PAE in 65nm CMOS," IEEE Radio Frequency Integrated Circuits Symposium (RFIC) 2011
Q. J. Gu, Z. Xu, H.-Y. Jian, and M.-C. F. Chang, "A CMOS Fully Differential W-Band Passive Imager with <2 K NETD," IEEE Radio Frequency Integrated Circuits Symposium (RFIC) 2011
J. Y-C. Liu, A. Tang, N.-Y. Wang, Q. J. Gu, R. Berenguer, H.-H. Hsieh, P.-Y. Wu, C. Jou, and M.-C. F. Chang, "A V-band Self-Healing Power Amplifier with Adaptive Feedback Bias Control in 65 nm CMOS," IEEE Radio Frequency Integrated Circuits Symposium (RFIC) 2011
A. Tang, Z. Xu, Q. J. Gu, Y.-C. Wu, and M.-C. F. Chang, "A 144 GHz 2.5mW Multi-Stage Regenerative Receiver for mm-Wave Imaging in 65nm CMOS," IEEE Radio Frequency Integrated Circuits Symposium (RFIC) 2011
M.-C. F. Chang, A. Tang, Q. J. Gu, and C. Chien, "Self-Healing 4Giga-bit/sec Reconfigurable CMOS Radio-on-a-Chip," GOMACTech 2011
Q. J. Gu, Z. Xu, and M.-C. F. Chang, "Fully Differential mm/sub-mm CMOS Amplifiers," poster paper in GOMACTech 2011
Z. Xu, Q. J. Gu, I.-N. Ku, and M.-C. F. Chang, "A Compact, Fully Differential D-band CMOS Amplifier in 65nm CMOS", IEEE Asian Solid-State Circuits Conference (ASSCC), pp. 1-4, November 2010
J. Y.-C. Liu, Q. J. Gu, T. LaRocca, N.-Y. Wang, Y.-C. Wu, and M.-C. F. Chang, "A 60 GHz High Gain Transformer-Coupled Differential Amplifier in CMOS," Asia-Pacific Microwave Conference (APMC), pp. 932-935, November 2010, Best Paper Award
Z. Xu, Q. J. Gu, Y.-C. Wu, and A. Tang, Y.-L. Lin, H.-H. Chen, C. Jou, and M.-C.F. Chang, "D-Band CMOS Transmitter and Receiver for Multi-Giga-Bit/sec Wireless Data Link," IEEE Custom Integrated Circuits Conference (CICC), pp. 1-4, September 2010
D. Murphy, Q. J. Gu, Y.-C. Wu, H.-Y. Jian, Z. Xu, A. Tang, F. Wang, Y.-L. Lin; H.-H. Chen, C. Jou, and M.-C. F. Chang, "A 48GHz DiCAD-based VCO with 22.9% Tuning Range and FOMT of -186dBc/Hz, implemented in an Ultra-Wideband PLL," IEEE European Solid-State Circuits Conference (ESSCIRC), pp. 258-261, September 2010
Q. J. Gu, H.-Y. Jian, Z. Xu, Y.-C. Wu, F. Chang, Y. Baeyens, and Y.-K. Chen, "200GHz CMOS Prescalers with Extended Dividing Range via Time-Interleaved Dual Injection Locking," IEEE RFIC Symposium, pp. 69-72, May 2010
Z. Xu, Q. J. Gu, Y.-C. Wu, H.-Y. Jian, F. Wang, and M. C. Frank Chang, "An Integrated Frequency Synthesizer for 81-86GHz Satellite Communications in 65nm CMOS," IEEE RFIC Symposium, pp. 57-60, May 2010
Q. J. Gu, Z. Xu, H.-Y. Jian, X. Xu, F. Chang, W. Liu, and H. Fetterman, "Generating Terahertz Signals in 65nm CMOS with Negative-Resistance Resonator Boosting and Selective Harmonic Suppression," IEEE Symposium on VLSI Circuit, pp. 109-110, June 2010
T. LaRocca, S. Tam, D. Huang, Q. Gu, E. Socher, W. Hant, and F. Chang, "Millimeter-Wave CMOS Digital Controlled Artificial Dielectric Differential Mode Transmission Lines for Reconfigurable ICs," IEEE MTT-S International Microwave Symposium Digest, pp. 181-184, June 2008.
Q. Gu, Z. Xu, and M.F. Chang, "A Wide Locking Range and Low Power V-band Frequency Divider in 90nm CMOS," IEEE Symposium on VLSI Circuits, pp. 266-267, June 2007.
Q. Gu, Z. Xu, J. Ko, and M.F. Chang, "Two 10 Gb/s/pin Low Power Interconnect Methods for Three-Dimensional Integrated Circuits," IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical papers, pp. 448-449, Feb. 2007.
D. Huang, R. Wong, Q. Gu, N. Wang, T. Ku, C. Chien, and M.F. Chang, "A 60GHz CMOS Differential Receiver Front-End Using On-Chip Transformer for 1.2 Volt Operation with Enhanced Gain and Linearity," IEEE Symposium on VLSI Circuits, pp. 144-145, June 2006.
D. Huang, W. Hant, N-Y, Wang, T. Ku, Q. Gu, R. Wong, and F. Chang, "A 60GHz CMOS VCO Using On-Chip Resonator with Embedded Artificial Dielectric for Size, Loss and Noise Reduction," IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical papers, pp. 1218-1219, Feb. 2006.
Z. Xu, S. Jiang, Y. Wu, H. Jian, G. Chu, K. Ku, P. Wang, N. Tran, Q. Gu, M. Lai, C. Chien, M. F. Chang, and R. D. Chow, "A Compact Dual-band Direct-Conversion CMOS Transceiver for 802.11 a/b/g WLAN," IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical papers, pp. 98-99, Feb. 2005.
J. Ko, J. Kim, Z. Xu, Q. Gu, C. Chien, and M. F. Chang, "An RF/Baseband FDMA-Interconnect Transceiver for Reconfigurable Multiple Access Chip-to-Chip Communication," IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical papers, pp. 338-339, Feb. 2005.
Q. Gu, Z. Xu, J. Kim, J. Ko, and M. F. Chang, "Three-Dimensional Circuit Integration Based on Self-Synchronized RF-Interconnect using Capacitive Coupling," IEEE Symposium on VLSI Technology, pp. 96-97, June 2004.
Q. Gu, Z. Xu, J. Ko, S. Hsien, and M. F. Chang, "A Self-Synchronized RF-Interconnect For 3-Dimensional Integrated Circuits," IEEE Symposium on ISCAS, pp. 317-320, vol. 4, May 2004.
PATENTS
J. Ko, Q. Gu, Z. Xu and M. F. Chang, "Method and Apparatus for Frequency Detecting and Locking in Costas Loop", patent disclosure submitted
Q. Gu, Z. Xu, J. Ko and M. F. Chang, "Self-Synchronized RF Interconnect for 3-Dimensional Circuit Integration", U.S. Patent No. 8,131,250 B2, March 2012
Department of Electrical and Computer Engineering, University of California, Davis, CA 95616