招生需求：

欢迎有志于模拟/射频/毫米波/高速集成电路研究与设计、勇于创新的硕士、博士研究生及博士后加入。

实验室提供开放的科研环境，与工业界接轨的项目和实习机会。

研究方向：

模拟/射频/毫米波/高速集成电路设计

无线收发机芯片与系统

相控阵芯片与系统

AI辅助集成电路设计

教育背景：

2010年08月-2013年08月美国爱荷华州立大学，电子工程，博士

2005年08月-2008年02月韩国信息通信大学(现韩国科学技术院)，电子工程，硕士

2001年09月-2005年07月上海理工大学，电子信息工程， 学士

工作学术经历：

2023年07月-至今复旦大学，研究员，博士生导师

2013年07月-2023年07月三星半导体(美国)，高级工程师/主管工程师/资深主管工程师/首席工程师

2008年02月-2010年06月韩国电子通信研究院(ETRI)，研发工程师

代表性论文、著作及专利：

1. 1.     Y. Chen, X. Yu, S. Dey, V. Bhagavatula, C. Kuo, T. Chang, I. S.-C. Lu, and S. Son, A Phased-Array Receiver Front-End Using a Compact High Off-Impedance T/R Switch for n257/n258/n261 5G FR2 Cellular, 2023 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), San Diego, CA, USA, 2023, pp. 53-56, doi: 10.1109/RFIC54547.2023.10186152.

2. 2.     A. Verma, V. Bhagavatula, A. Singh, W. Wu, H. Nagarajan, P.-K. Lau, X. Yu, O. Elsayed, A. Jain, A. Sarkar, F. Zhang, C.-C. Kuo, P. McElwee, P.-Y. Chiang, C. Guo, Z. Bai, T. Chang, A. Mann, A. Rydin, X. Zhao, J. Lee, D. Yoon, C.-W. Yao, S. I. Lu, S. Son, T. B. Cho, A 16-Channel, 28/39GHz Dual-Polarized 5G FR2 Phased-Array Transceiver IC with a Quad-Stream IF Transceiver Supporting Non-Contiguous Carrier Aggregation up to 1.6GHz BW, 2022 IEEE International Solid- State Circuits Conference (ISSCC), San Francisco, CA, USA, 2022, pp. 1-3, doi: 10.1109/ISSCC42614.2022.9731664.

3. 3.     V. Bhagavatula, F. Zhang, C. Kuo, A. Sarkar, A. Verma, T. Chang, X. Yu, D.-Y. Yoon, I. S.-C. Lu, S. Son, T. B. Cho, A 5G FR2 Power-Amplifier With an Integrated Power-Detector for Closed-Loop EIRP Control, in IEEE Journal of Solid-State Circuits, vol. 57, no. 5, pp. 1257-1266, May 2022, doi: 10.1109/JSSC.2022.3146872.

4. 4.    C. Kuo, H. Zhang, A. Sarkar, X. Yu, V. Bhagavatula, A. Verma, T. Chang, S. I. Lu, D. Yoon, S. Son, T. B. Cho, A 5G FR2 (n257/n258/n261) Transmitter Front-End with a Temperature-Invariant Integrated Power Detector for Closed-Loop EIRP Control, 2021 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), Atlanta, GA, USA, 2021, pp. 175-178, doi: 10.1109/RFIC51843.2021.9490447.

5. 5.    X. Yu, A. Jain, A. Singh, O. Elsayed, C. Kuo, H. Nagarajan, D. Yoon, V. Bhagavatula, I. S. Lu, S. Son, T. B. Cho, A 17.3-mW 0.46-mm2 26/28/39GHz Phased-Array Receiver Front-End with an I/Q-Current-Shared Active Phase Shifter for 5G User Equipment, 2021 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), Atlanta, GA, USA, 2021, pp. 107-110, doi: 10.1109/RFIC51843.2021.9490463.

6. 6.    X. Yu, A. El-Gouhary and N. M. Neihart, A Transformer-Based Dual-Coupled Triple-Mode CMOS LC-VCO, in IEEE Transactions on Microwave Theory and Techniques, vol. 62, no. 9, pp. 2059-2070, Sept. 2014, doi: 10.1109/TMTT.2014.2332498.

7. 7.   N. M. Neihart, A. El-Gouhary, Y. Li, K. Sessou and X. Yu, Techniques for realizing reconfigurable RF building blocks for cognitive radio, 2013 IEEE 56th International Midwest Symposium on Circuits and Systems (MWSCAS), Columbus, OH, USA, 2013, pp. 876-879, doi: 10.1109/MWSCAS.2013.6674789.

8. 8.   X. Yu and N. M. Neihart, Analysis and Design of a Reconfigurable Multimode Low-Noise Amplifier Utilizing a Multitap Transformer, in IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 3, pp. 1236-1246, March 2013, doi: 10.1109/TMTT.2012.2237037.

9. 9.     X. Yu and N. M. Neihart, Design and characterization of symmetric multi-tap transformers, 2012 IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, Korea (South), 2012, pp. 954-957, doi: 10.1109/ISCAS.2012.6272203.

10. 10.  X. Yu and N. M. Neihart, A 2–11 GHz reconfigurable multi-mode LNA in 0.13µm CMOS, 2012 IEEE Radio Frequency Integrated Circuits Symposium, Montreal, QC, Canada, 2012, pp. 475-478, doi: 10.1109/RFIC.2012.6242325.

11. 11.  N. M. Neihart, J. Brown and X. Yu, A Dual-Band 2.45/6 GHz CMOS LNA Utilizing a Dual-Resonant Transformer-Based Matching Network, in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 59, no. 8, pp. 1743-1751, Aug. 2012, doi: 10.1109/TCSI.2011.2180436.

12. 12. X. Yu and N. M. Neihart, Integrated multi-tap transformer for reconfigurable multimode matching networks, 2011 IEEE International Symposium of Circuits and Systems (ISCAS), Rio de Janeiro, Brazil, 2011, pp. 1395-1398, doi: 10.1109/ISCAS.2011.5937833.

13. 13.   X. Yu, “Design of Reconfigurable Multi-Mode RF Circuits”, Ph.D. dissertation, Iowa State University, 2013.

14. 14.   X. Yu, “Ultra-Low Power Wake-up Receiver Front-End Design”, M.S. thesis, Information and Communications University (now KAIST), 2008.

15. 15.   24 to 30GHz wide band CMOS power amplifier with turn-off mode high impedance, US Patent 11,689,162, granted in Jun. 2023.

16. 16.   Method of synchronizing the H and V phase in a dual-polarized phase array system, US Patent App. 17/695,460, filed in Oct. 2022.

17. 17.   “Band switching balun”, US Patent 11,245,426, granted in Feb. 2022.

18. 18.   Method and circuit for power consumption reduction in active phase shifters, US Patent 11,183,973, granted in Nov. 2021.

19. 19.   Low noise amplifier topology that simultaneously supports carrier aggregation and non-carrier aggregation, US Patent 93,62,975, granted in Jun. 2016.

20. 20.   “Wake-up receiver and wake-up method using duty-cycling and power off technique”, US Patent 8,285,243, granted in Oct. 2012.

21. 21.   “Super regenerative receiver and method for saving power of the same”, US Patent 8,170,523, granted in May 2012.