Research Media

Go NUSing! New Opportunities in Non Uniform Sampling:

Oct. 2020: Prof. Mike Chen gave a IEEE SSCS Webinar on new opportunities in nonuniform sampling which enables new architectures in ADC, Receiver and Transmitter.

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Go NUSing! Non-Uniform Sub-Sampling Receiver:

RFIC 2020: A 29-mW 26.88-GHz Non-Uniform Sub-Sampling Receiver Front-End Enabling Spectral Alias Spreading.

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Circuit Tutorial: Asynchronous SAR ADC: Past, Present and Beyond

- Dec. 2023: Juzheng Liu will receive SSCS Pre-doctoral award at ISSCC 2024. Congrats, Juzheng!

- Oct. 2023: Mostafa Ayesh will present a non-uniform discrete-time FIR filtering scheme for the first time at ISSCC 2024. This approach creates a new direction for a non-uniform sub-sampling receiver that can be used for RF and mm-Wave Communications. Congrats, Mostafa, Soumya, Ce!

- Feb. 2023: Juzheng Liu received ISSCC Jack Kilby Award at ISSCC 2023 award ceremony! This prestigious award recognizes the delay-tracking pipelined SAR TDC idea and the record energy/area efficiency of the proof-of-concept prototype. Congrats, Juzheng, Mohsen!

- Jan. 2023: Qiaochu Zhang received 2022-23 IEEE SSCS predoctoral achievement award and will be recognized at ISSCC and SSCS magazine. Congrats, Qiaochu!

- Oct. 2022: Qiaochu Zhang will present a fractional-N digital MDLL featuring DTC equalizer and injection scrambling technique at ISSCC 2023. The proposed techniques achieve significant spur reduction with limited overhead. Congrats, Qiaochu, Hsiang-chun, Shiyu!

- June 2022: Ce Yang and Shiyu Su received Best Student Paper Award (First Place) from RFIC 2022. This paper presents a non-uniform time-approximation filter (NU TAF) concept for a receiver frontend. It hints a new direction of analog filtering for future radio design. Congrats, Ce, Shiyu!

- Oct. 2021: Juzheng Liu will present an 8-bit 10-GS/s ADC featuring a delay-tracking pipelined-SAR TDC at ISSCC 2022. The proposed ADC architecture in 14nm CMOS demonstrates higher power and area efficiency among high-speed (beyond GS/s) ADCs. Congrats, Juzheng, Mohsen!

- Oct 2021: Qiaochu Zhang received MHI Scholar, a recognition for his PhD works at USC. Congrats, Qiaochu!

- Sep 2021: Shiyu Su will present a machine-learning based analog mixed-signal circuit generator for time-approximation filter, called TAFA, at ASP-DAC 2022. Congrats, Shiyu, Qiaochu, Juzheng, Mohsen, Rezwan!

- May 2021: Juzheng Liu will present a machine-learning based analog mixed-signal circuit design flow using transfer learned models from silicon measurement at ICCAD 2021. The automatic layout tool is provided by UMN and Texas A&M. Congrats, Juzheng, Shiyu, Mohsen, Sam, Qiaochu, Rezwan!

- Feb 2021: Mohsen Hassanpourghadi will present a circuit-connectivity-based neural network structure for analog mixed-signal circuit modeling at DAC 2021. Congrats, Mohsen, Shiyu, Rezwan, Juzheng, and Qiaochu!

- Jan 2021: Aoyang Zhang will present an SHS PA in mm-Wave band at CICC 2021. Congrats, Aoyang, Mostafa, and Soumya!

- Jan 2021: Rezwan Rasul will present an in-memory computing chip leveraging passive gain from embedded MOS cap array at CICC 2021. It achieves high energy efficiency for machine learning application. Congrats, Rezwan!

- Dec 2020: Aoyang Zhang received 2020-21 IEEE SSCS predoctoral achievement award and will be recognized at ISSCC and SSCS magazine. Congrats, Aoyang!

- Oct 2020: Aoyang Zhang will present the first current-mode SHS PA at ISSCC 2021. This proves SHS PA architecture can be deployed in both voltage and current modes. Congrats, Aoyang, Ce, and Mostafa!

- Oct 2020: Qiaochu Zhang will present a background two-point DTC calibration scheme for precise injection locking in MDLL at ISSCC 2021. Congrats, Qiaochu, Shiyu, and Cheng-Ru!

- Oct 2020: Aoyang Zhang receive MHI Scholar at USC in recognition of his PhD works. Congrats, Aoyang!

- July 2020: Juzheng Liu will present a machine-learning based analog circuit modeling technique (BOAS and TL) at ICCAD 2020. Congrats, Juzheng, Mohsen, Qiaochu, and Shiyu!

- July 2020: Qiaochu Zhang will present a CNN based early performance assertion scheme (CEPA) at ICCAD 2020. Congrats, Qiaochu, Shiyu, and Juzheng!

- June 2020: Ce Yang will present the first non-uniform sub-sampling frontend at RFIC 2020. Congrats, Ce, Mostafa, Aoyang, and Tzu-Fan!

- Dec 2019: Tzu-Fan Wu receives SSCS Predoctoral Achievement Award and will be recognized during ISSCC 2020. Congrats, Tzu-Fan!

- Oct 2019: Tzu-Fan Wu will present a world first VCO-based non-uniform sampling ADC with fully integrated non-uniform DSP at ISSCC 2020. It hints new opportunities in future ADC design based on non-uniform sampling concept. Congrats, Tzu-Fan!

- Oct 2019: Shiyu Su will present an RF transmitter based on tri-level time-approximation filter (TAF) at ISSCC 2020. The tri-level TAF enables record low OOB noise floor without using a SAW filter. Congrats, Shiyu!

- Oct 2019: Shiyu Su received MHI Scholar, a recognition for his PhD works at USC. Congrats, Shiyu!

- April 2019: Jaewon Nam received the Best Student Paper Award at CICC 2019 Congrats, Jaewon!

- April 2019: Shiyu Su will present a time approximation filter technique for a RF transmitter at VLSI Symposium 2019. The technique provides a new direction for RF filtering with low cost. Congrats, Shiyu!

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