- Selected Papers
- J. Hu, C. Xie, D. Zhang, S. Liang, Y. Wu, M. Yin, K. Ma, "A 2.1–49.8-GHz Distributed Amplifier With Gain-Compensating Techniques", IEEE Microwave and Wireless Technology Letters, 2026, Early access, Doi: 10.1109/LMWT.2026.3674828..IEEE Microwave and Wireless Technology Letters:DOI: 10.1109/LMWT.2026.3674828
- J. Hu, D. Zhang,C. Xie, Q. Feng, K. Ma, "Co-Design of a K-Band Phase Shifter With Low RMS Phase/Amplitude Errors for SATCOM Applications", IEEE Microwave and Wireless Technology Letters, vol. 36, no. 2, pp. 305-308, Feb. 2026.
- L. Chen, Y. Wang*, J. Hu*, K. Ma, A Low-Loss Ultra-Wideband 3-dB Coupler Using Hybrid Integrated Suspended Line (HISL) with Multiple Inner Boards. ", IEEE Microwave and Wireless Technology Letters, vol. 35, no. 5, pp. 541-544, Mar. 2025.
- J. Hu, K. Ma, C. Xie, B. Liu, Q. Feng, " A Gain Cell with Unilateralization and Gain-enhancement Techniques for High-gain Distributed Amplifier", IEEE Transactions on Microwave Theory and Techniques, vol. 73, no. 4, pp. 2147-2156, Apr. 2025.
- J. Hu, K. Ma, C. Xie, B. Liu, Q. Feng, "A High-Gain Distributed Amplifier Using Gain Cell with Current-reused and Gain-Enhancement Techniques",2024 IEEE MTT-S International Wireless Symposium (IWS).
- X. Li, H. Fu*, K. Ma*, J. Hu*, "A 2.4–4-GHz Wideband 7-Bit Phase Shifter With Low RMS Phase/Amplitude Error in 0.5-μm GaAs Technology", IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 2, pp. 1292-1301, Feb. 2022.
- T. Feng, K. Ma, Y. Wang, J. Hu, "Bandpass-Filtering Power Amplifier with Compact Size and Wideband Harmonic Suppression", IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 2, pp. 1254-1368, Feb. 2022.
- J. Hu, K. Ma, "Analysis and Design of a Broadband Receiver Front End for 0.1-to-40-GHz Application", IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 65, no. 10, pp. 2393-2403, Mar. 2021.
- J. Hu, K. Ma, S. Mou, F. Meng, "Analysis and Design of a 0.1-23 GHz LNA MMIC Using Frequency-Dependent Feedback", IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 66, no. 9, pp. 1517-1521, Sep. 2019.
- J. Hu, K. Ma, "A 1 to 40 GHz LNA MMIC Using Multiple Bandwidth Extension Techniques", IEEE Microwave and Wireless Components Letters, vol. 29, no. 5, pp. 336-338, Apr. 2019.