High-Speed Devices & Integrated Circuits Group

Electrical Engineering Department, Institute of Electronics Engineering

 National Tsing Hua University, Hsinchu, Taiwan

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 Shawn S. H. Hsu, Associate professor

 EECS Bldg. Room 509, shhsu@ee.nthu.edu.tw, 886-3-5731278

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 PH. D. : Electrical Engineering, University of Michigan, Ann Arbor, USA

 M. S. :   Electrical Engineering, University of Michigan, Ann Arbor, USA

 B. S. :   Electrical Engineering, National Tsing Hua University, Hsinchu, Taiwan

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Research Interests

  • MMIC/RFIC Design: Design of RFIC/MMIC built with advanced solid-state devices for high-speed, low-noise, and high-power applications.

  • High-frequency Device Modeling: Develop analytical and empirical active/passive device models for high-speed wireless/optical communication IC design.

  • High-frequency Device Characterization: Innovate and implement various measurement and optimization techniques to extract parameters for precise high-speed device linear/nonlinear modeling.

  • Design and Fabrication of High-speed Devices: Design and fabricate of semiconductor devices for high-speed, low-noise, and high-power applications.

Circuit Related Research

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Device Related Research

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Group Members
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Courses
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Publication List
 Journal papers

[1] S. Hsu, B. Bayraktaroglu, and D. Pavlidis, ¡§Comparison of conventional and Thermally-Stable Cascode (TSC) AlGaAs/GaAs HBTs for

      microwave power applications,¡¨ Journal of Solid-State Electronics, vol. 43, no. 8, pp. 1429-1436, 1999.

[2] D. Sawdai, K. Yang, S. Hsu, D. Pavlidis, and G. Haddad, ¡§Power performance of InP-Based single- and double-heterojunction bipolar

     transistors,¡¨ IEEE Trans. Microwave Theory Tech., vol. 47, pp. 1449-1456, Aug. 1999.

[3] D. Buttari, A. Chini, G. Meneghesso, E. Zanoni, D. Sawdai, D. Pavlidis, and S. Hsu ¡§Measurements of the InGaAs hole impact ionization

     coefficient in InAlAs/InGaAs pnp HBTs,¡¨ IEEE Electron Device Letters, vol. 22, no. 5, pp. 197-199, May. 2001.

[4] D. Cui, S. Hsu and D. Pavlidis, ¡§Ka-band oscillators using InP-based HBTs,¡¨ Journal of Solid-State Electronics, vol. 46, no. 2, pp. 249-

     253, Feb. 2002.

[5] D. Cui, S. Hsu, and D. Pavlidis, ¡§DC and high frequency characterization of Metalorganic Chemical Vapor Deposition (MOCVD) grown

    InP/InGaAs PNP heterojunction bipolar transistor,¡¨ Jpn. Journal of . Appl. Phys. Vol. 41, no. 2B, pp. 1143-1149, Feb, 2002.

[6] D. Cui, D. Pavlidis, S. Hsu, D. Sawdai, P. Chin, and T. Block, ¡§First demonstration of monolithic InP-based HBT amplifier with PNP active

     load,¡¨ IEEE Electron Device Letters, vol. 23, no. 3, pp. 114-117, Mar. 2002.

[7] D. Cui, D. Pavlidis, S. Hsu, and A. Eisenbach, ¡§Comparison of DC, high-frequency performance of zinc-doped and carbon-doped

     InP/InGaAs HBTs grown by metalorganic chemical vapor deposition,¡¨ IEEE Trans. Electron Devices, vol. 49, no. 5, pp. 725-732, May,

     2002.

[8] S. Hsu, D. Pavlidis, and D. Sawdai, ¡§Low-frequency noise characteristics of PNP InAlAs/InGaAs HBTs,¡¨ IEEE Electron Device Letters, vol.

     23, no. 12, pp. 688-690, Dec. 2002.

[9] S. Hsu and D. Pavlidis, ¡§A comparison of low-frequency noise characteristics and noise origins in InP-based NPN and PNP heterojunciton

     bipolar transistors,¡¨ IEEE Trans. Electron Devices, vol. 50, no. 9, pp. 1974-1982, Sep. 2003.

[10] J. A. Yeh, C. A. Chang, C. -C. Cheng, J. -Y. Huang, and S. Hsu, ¡§Microwave characteristics of liquid crystal tunable capacitors,¡¨ IEEE

       Electron Device Lett., vol. 26, pp. 451-453, July 2005.

[11] S. Hsu, H. Zhu, ¡§W-band multiple-ring resonator by standard 0.18-um CMOS technology,¡¨ IEEE Microwave and Wireless Component

       Lett., pp. 832-834, Dec. 2005.

[12] J. Jin, S. Hsu, M. T. Yang, and S. Liu, ¡§Low-loss differential semi-coaxial interconnects in CMOS process,¡¨ IEEE Trans. Microwave

      Theory Tech., vol. 54, no. 12, pp. 4333-4340, Dec. 2006.

[13] Y. Lin, S. Hsu, J. Jin, and C. Chan, ¡§A 3.1¡V10.6 GHz ultra-wideband CMOS low noise amplifier with current-reused technique,¡¨ IEEE

      Microwave and Wireless Component Letters, vol. 17, No. 3, Mar. 2007.

[14] T. Lee, C. Chan, P. Tsai, S. Hsu, J. Kwo, and M. Hong, ¡§Interfacial trap characteristics in depletion mode GaAs MOSFET¡¦s,¡¨ Journal of

      Crystal Growth, Vol. 301-302, April 2007, pp. 1009-1012.

[15] C. Chan, T. Lee, S. Hsu, L. Chen, and Y. Lin, ¡§Impacts of gate recess and passivation on AlGaN/GaN HEMTs,¡¨ Jpn. Journal of . Appl.

      Physics, Vol. 46, No. 2, pp. 478-484, Feb. 2007

[16] Y. Lin, S. Koa, C. Chan, S. Hsu, H. Lee, and S. Gwo, "High current density InN/AlN heterojunction field-effect transistor with a SiNx gate

      dielectric layer," Applied Physics Letters 90, 142111, 2007

[17] H. Lin, S. Hsu, C. Chan, and Y. Lin, ¡§A wide locking-range frequency divider for LMDS applications,¡¨ IEEE Trans. Circuits

      and Systems II, Vol. 54, No. 9, pp. 750-754, Sep. 2007.

[18] C. Chan, Y. Lin, J. Jin, S. Hsu, Y. Huang, and Y. Juang, ¡§Impact of STI effect on flicker noise in 0.13-µm RF N-MOSFETs,¡¨ IEEE Trans.

      Electron Devices, Vol. 54, No. 12, pp. 3383-3392, Dec., 2007.

[19] J. Jin and S. Hsu, ¡§A 0.18-£gm CMOS balanced amplifier for 24-GHz applications,¡¨ IEEE J. Solid-State Circuits, vol. 43, no. 2, pp. 440-445,

      Feb. 2008.

[20] J. Jin and S. Hsu, ¡§A 1-V, 45-GHz balanced amplifier with 21.5-dB gain using 0.18-£gm CMOS technology,¡¨ IEEE Trans. Microwave Theory

      Tech., vol. 56, no. 3, pp. 599-603, March 2008.

[21]  J. Jin, S. Hsu, T. Yeh, M. Yang, and S. Liu, ¡§Fully analytical modeling of Cu interconnects up to 110 GHz,¡¨ Jpn. Journal of Appl. Physics,

       vol. 47, no. 4, pp. 2473-2476, Apr. 2008.

[22] J. Jin and S. Hsu, ¡§A 40-Gb/s transimpedance amplifier in 0.18-µm CMOS technology,¡¨ IEEE J. Solid-State Circuits, vol. 43, no. 6, pp.

      1449-1457, June, 2008.

[23] C. Chan, Y. Huang, J. Chen, S. Hsu, and Y. Juang, "STI-to-gate distance effects on flicker noise characteristics in 0.13-µm CMOS,"

      J. Solid-State Electronics, vol. 52, pp. 1182-1187, 2008. 

[24] C. Chan, S. Chen, M. Tsai, and S. Hsu, "Wiring effect optimization in 65-nm low-power NMOS," IEEE Electron Device Letters, vol. 29,

       no. 11, pp. 1245-1248, Nov. 2008.

[25] J. Jin and S. Hsu, "A miniaturized 70-GHz broadband amplifier in 0.13-µm CMOS technology," IEEE Trans. Microwave Theory Tech.,

       vol. 56, no. 12, pp. 3086-3092, Dec. 2008.

[26] J. Jin and S. Hsu, "A 75-dB£[ 10-Gb/s transimpedance amplifier in 0.18-£gm CMOS technology," IEEE Photon. Tech. Lett., vol. 20, no. 24,

      pp. 2177-2179, Dec. 2008.

[27] Y. Wei, S. Hsu, and J. Jin, "A low-power low-noise amplifier for K-band applications," IEEE Microwave and Wireless Component Lett.,

      vol. 19, no. 2, pp. 116-118, Feb. 2009.

[28] Y. Wu, S. Hsu, K. Tan, and Y. Su, "Substrate noise coupling reduction in LC voltage-controlled oscillators," IEEE Electron Device Letters,

      vol. 30, no. 4, pp. 383-385, Apr. 2009.

[29] M. Kao, J. Wu, C Lin, F. Chen, C. Chiu, and S. Hsu, ¡§A 10-Gb/s CML I/O circuit for backplane interconnection in 0.18-£gm CMOS technology,"

      IEEE Trans. VLSI Systems, vol. 17, no. 5, pp. 688-696, May 2009.

[30] J. Jin and S. Hsu, ¡§A K-band low-noise amplifier in 0.18-£gm CMOS technology for sub-1-V operation,¡¨ accepted for Microwave Optical

      Technology Letters.

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Conference papers

[1] S. Hsu, B. Bayraktaroglu and D. Pavlidis, ¡§Comparison of conventional and thermally-stable cascode (TSC) AlGaAs/GaAs HBTs for

     microwave power applications,¡¨ Topical Workshop on Heterostructure Microelectronics for Information Systems Applications,

     Kanagawa, Japan, Aug. 30-Sep. 2, pp. S3-6, 1998.

[2] S. Hsu, D. Sawdai, and D. Pavlidis, ¡§Modeling of highly-nonlinear HBT characteristics using a distributed thermal subcircuit derived from

     pulsed measurements,¡¨ 53rd ARFTG conference (MTT Symposium) Digest, Anaheim, CA, USA, Jun. 17-18, pp.139-145, 1999.

[3] S. Hsu, P.N. Tan, D. Pavlidis, E. Alekseev, N.X. Nguyen, C. Nguyen, and D.E. Grider, ¡§Frequency dependent output resistance and

     transconductance in ALGaN/GaN MODFETs,¡¨ Proceeding of 1999 International Semiconductor Device Research Symposium (ISDRS),

     Charlottesville, Virginia, pp. 315-317, Dec., 1999.
[4] D. Buttari, A. Chini, G. Meneghesso, E. Zanoni, D. Sawdai, D. Pavlidis, and S. Hsu, ¡§Hole impact ionization coefficient in (100)-oriented

    In0.53Ga0.47As,¡¨ 12th IEEE Indium Phosphide and Related Materials (IPRM¡¦00), Williamsburg, VA, May 15-19, pp. 258-261, 2000.
[5] D. Cui, D. Sawdai, S. Hsu, D. Pavlidis, , P. Chin and T. Block, ¡§High power performance using InAlAs/InGaAs single HBTs,¡§12th IEEE

    Indium Phosphide and Related Materials (IPRM¡¦00), Williamsburg, VA, May 15-19, pp. 473-476, 2000.
[6] D. Cui, D. Sawdai, S. Hsu, D. Pavlidis, P. Chin and T. Block, ¡§
Low DC power, high gain-bandwidth product, coplanar Darlington feedback

     amplifiers using InAlAs/InGaAs heterojunction bipolar transistors¡¨, 22nd IEEE GaAs IC Symposium, pp.259-262, 2000.
[7] E. Alekseev, S. Hsu and D. Pavlidis, ¡§Broadband AlGaN/GaN HEMT MMIC attenuators with high dynamic range,¡¨ Proceeding of 30th

     European microwave conference, 2000.
[8] D. Cui, S. Hsu and D. Pavlidis, ¡§First InP/InGaAs PNP HBT grown by metal organic chemical vapor deposition¡¨, 13th IEEE Int. Conf.

     Indium Phosphide and Related materials, Nara, Japan, pp. 224-227, May 2001.
[9] S. Hsu, D. Pavlidis, J.S. Moon, M. Micovic, C. Nguyen, D. Grider, ¡§High frequency noise studies in AlGaN/GaN MODFETs,¡¨ WOCSDICE

    2001, Cagliari, Italy, May 25-30, 2001.
[10] S. Hsu, D. Pavlidis, M. Ida, and T. Enoki, ¡§Low noise, high-speed InP/InGaAs HBTs,¡¨ 23rd IEEE GaAs IC Symposium , pp. 188-191,

      2001.
[11] S. Hsu, D. Pavlidis, J. Moon, M. Micovic, C. Nguyen, and D. Grider, ¡§Low noise AlGaN/GaN MODFETs with high breakdown and power

      characteristics,¡¨ 23rd IEEE GaAs IC Symposium, pp. 229-232, 2001.
[12] D. Cui, D. Pavlidis, S. Hsu, D. Sawdai, P. Chin and T. Block, ¡§InP-based complementary HBT push-pull MMICs,¡¨ proceeding of 26th

      Workshop on Compound Semiconductor Devices and Integrated Circuits in Europe (WOCSDICE), 2002.
[13] S. Hsu, D. Pavlidis, J. S. Moon, M. Micovic, D. Wong and T. Hussain, ¡§Gate- and drain- noise characteristics of AlGaN/GaN HEMTs and

      study of their origins,¡¨ proceeding of 26th Workshop on Compound Semiconductor Devices and Integrated Circuits in Europe

      (WOCSDICE) 2002.
[14] S. Hsu, P. Valizadeh, D. Pavlidis, J. S. Moon, M. Micovic, D. Wong and T. Hussain, ¡§Study on large-signal linearity and efficiency of

      AlGaN/GaN MODFETs,¡¨ proceeding of 31st European microwave conference, 2002.
[15] S. Hsu, D. Pavlidis, J. S. Moon, M. Micovic, D. Wong and T. Hussain, ¡§Gate and drain low-frequency noise models of AlGaN/GaN

       MODFETs,¡¨ proceeding of IEEE Lester Eastman conference, 2002.
[16] S. Hsu, P. Valizadeh, D. Pavlidis, J. S. Moon, M. Micovic, D. Wong and T. Hussain, ¡§Impacts of RF stress on dispersion effects and

       power characteristics for AlGaN/GaN HEMTs,¡¨ proceeding of 24th IEEE GaAs IC Symposium, pp. 85-88, 2002.

[17] D. Pavlidis, S. Hubbard, S. Hsu and P. Valizadeh ¡¨GaN Device and Material Considerations: A Tutorial and General Discussion¡¨
       2002 GaAs REL Workshop, Monterey, California, October 2002.
[18] X. Zhu, S. Hsu and D. Pavlidis, ¡§First microwave characteristics of InGaAlAs/GaAsSb/InP double HBTs,¡¨ Topical Workshop on

       Heterostructure Microelectronics for Information Systems Applications, Okinawa, Japan, pp. 18-19, Jan., 2003.
[19] S. Hsu, D. Pavlidis, ¡§Analysis and modeling of dispersion characteristics in AlGaN/GaN MODFETs,¡¨ proceeding of 25th IEEE GaAs IC

      Symposium, Nov. 2003, pp. 119-122.

[20] D. Pavlidis, S. M. Hubbard, S. Hsu and S. Seo ¡¨AlGaN/GaN and AlN/GaN Heterostructure Devices: A Possible Device Technology for
       High RF Power Wireless Transmission¡¨ 2003 Japan-United States Joint Workshop on Space Solar Power System (JUSPS'03),
       July 3-4, 2003, Kyoto, Japan
[21] X. Zhu, J. Wang, D. Pavlidis, and S. Hsu, ¡§First demonstration of low-power monolithic transimpedance amplifier using InP/GaAsSb/InP

       DHBTs,¡¨ IEEE MTT-S Digest, pp. 101-103, June, 2005.
[22] C.-T. Chiu, J.-M. Wu, S. Hsu, M.-S. Kao, C.-H. Jen, and Y.-S. Hsu, ¡§A 10Gb/s wide-band current-mode logic I/O interface for high-speed

       interconnect in 0.18-um CMOS technology," IEEE Int. SOC Conf., pp. 257-260, Sep. 2005.
[23] D. Pavlidis, P. Valizadeh, and S. Hsu, ¡§AlGaN/GaN high electron mobility transistor (HEMT) reliability,¡¨ European microwave conf., Paris,

       Oct. 2005.
[24] L. Fan, W. Huang, C. Cheng, P. Chu, H. Hao, C. Hsieh, S. Hsu, A. Jin, K. Hsueh, C. Lee, J. Chang, E. Liu, A. Huang, C. Chien, A. Yeh,

      J. Chen, W. Wu, and C. Lai, ¡§Magnetic resonance Microsystems for life science applications,¡¨ Proc. of Transducers 2005, pp.1998-

      2001, Seoul, Korea, June 2005.
[25] C. Hsiao, M. Kao, C. Jen, Y. Hsu, P. Yang, C. Chiu, J. Wu, S. Hsu and Y. Hsu, ¡§3.2 Gbit/s CML transmitter with 20:1 multiplexer in 0.18

       um CMOS technology, ¡§IEEE Int. Conf. Mixed Design of Integrated Circuits and Systems, pp. 179-183, 2006.
[26] X. Zhu, J. Wang, D. Pavlidis, and S. Hsu ¡§InP/GaAsSb/InP DHBT technology and its application to MM-wave integrated oscillators,¡¨

       proceeding of 30th Workshop on Compound Semiconductor Devices and Integrated Circuits in Europe (WOCSDICE) 2006.
[27] J. Jin, S. Hsu, M. Yang, and S. Liu, ¡§Low-loss single and differential semi-coaxial interconnects in standard CMOS process,¡¨ IEEE MTT-S

       Int. Microwave Symp. Dig., pp. 420-423, June 2006.
[28] J. Jin and S. Hsu, ¡§40-Gb/s transimpedance amplifier in 0.18-µm CMOS technology,¡¨ European Solid-state Circuit Conference

      (ESSCIRC), pp. 520-523, Sep. 2006.
[29] C. Chan, J. Jin, Y. Lin, S. Hsu, and Y. Juang, ¡§STI Effect on Flicker Noise in 0.13-µm RF NMOS,¡¨ European Solid-state Device

      Conference (ESSDERC ), pp.101-104, 2006.
[30] C. Chan, P. Tsai, T. Lee, S. Hsu, J. Kwo, and M. Hong, ¡§Flicker noise characteristics in GaAs MOSFETs,¡¨ MBE conference, September

      2006.

[31] L. Fan, S. Hsu, J. Jin, C. Hsieh, W. Lin, H. Hao, H. Cheng, K. Hsueh, and C. Lee,¡§Miniaturization of magnetic resonance microsystem

      components for 3D cell imaging,¡¨ IEEE Int. Solid-State Circuit Conf. (ISSCC), San Francisco, pp. 166-168, Feb. 2007.

[32] C. Chan, Y. Lin, Y. Huang, S. Hsu, and Y. Juang, "Edge-extended design for improved flicker noise characteristics in 0.13-um RF

       NMOS," IEEE MTT-S Int. Microwave Symp., Hawaii, June 2007, pp. 441-444.

[33] S. Wang, Y. Wu, S. Hsu, and C. Chan, "Substrate coupling effect under various noise injection topologies in LC-voltage controlled

      oscillator," IEEE RFIC Symp., Hawaii, June 2007, pp. 705-708.

[34] Y. Hsu, M. Kao, H. Tzeng, C. Chiu, J. Wu, and S. Hsu, ¡§A 20Gbps scalable load balanced Birkhoff-von Neumann symmetric TDM switch

       IC with SERDES interfaces,¡¨ IEEE proceedings of the 12th Asia and South Pacific Design Automation Conference, pp. 23-26, Yokohama,

       Japan, 2007.
[35] C. Chiu, Y. Hsu, M. Kao, H. Tzeng, M. Du, P. Yang, M. Lu, F. Chen, H. Lin, J. Wu, S. Hsu, and Y. Hsu, ¡§A scalable load balanced

      Birkhoff-von Neumann symmetric TDM switch IC for high-speed networking applications,¡¨ IEEE International Symposium on Circuits and

      Systems, pp. 2754-2757, New Orleans, USA, 2007.

[36] Y. Lin, T. Lee, Y. Wang, and S. Hsu, ¡§Layout optimization of AlGaN/GaN HEMTs for high-power applications,¡¨ 2007 International Conference

       on Solid State Devices and Materials, Sep. 2007.

[37] J. Jin, S. Hsu, T. Yeh, M. Yang, S. Liu, ¡§Fully analytical modeling of Cu interconnects up to 110 GHz,¡¨ 2007 International Conference

       on Solid State Devices and Materials, Sept. 2007, pp. 908-909.

[38] J. Jin and S. Hsu, ¡§Wideband CMOS transimpedance amplifier design using transformer-peaking technique,¡¨ 2007 International Conference

      on Solid State Devices and Materials, Sept. 2007, pp. 492-493.

[39] J. Jin and S. Hsu, "A 70-GHz transformer-peaking broadband amplifier in 0.13-£gm CMOS technology,"  MTT-S Int. Microwave Symp., Atlanta,

       pp. 285-288, June, 2008.

[40] Y. Lin, J. Wu, S. Hsu, C. Chan, and Y. Lian, "GaN-based Schottky varactors for high-power RF applications," 2008 International

       Conference on Solid State Devices and Materials, Sept. 2008.

[41] S. Hsu, "Design techniques for CMOS broadband amplifiers,"  CMOS Emerging Technologies Workshops (invited), Feb. 2009.

Last update: 2009/05/12      

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