Chip Gallery

Designer:

Shiyu Su, Qiaochu Zhang (Equal Contribution)

Tapeout:

TSMC 65nm, May 2022.

Description (CICC 2023):

A mostly-digital 2GS/s 8.5-bit ADC with segmented stochastic TDC.

Designer:

Mayank Palaria, Shiyu Su, etc.

Tapeout:

TSMC 65nm, June 2022.

Description (ESSIRC 2023):

First Kalman Filter IC with embedded ADC for sensor fusion.

Designer:

 Hsiang-Chun Cheng, Shiyu Su, etc.

Tapeout:

TSMC 65nm, June 2022.

Description (CICC 2023):

First QP solver IC for micro-unmanned aerial vehicles.

Designer:

 Qiaochu Zhang, Hsiang-Chun Cheng, Shiyu Su

Tapeout:

TSMC 65nm, April 2022.

Description (ISSCC 2023):

A digital MDLL with adaptively linearized digital-to-time converter.

Designer:

 Ce Yang, Shiyu Su

Tapeout:

TSMC 28nm, May 2021.

Description (RFIC 2022):

A millimeter wave receiver front-end with embedded programmable mixed-signal filtering.

Designer:

Shiyu Su, Juzheng Liu, ALIGN(UMN)

Tapeout:

FinFET 12nm, September 2020.

Description (ICCAD 2021):

A VCO array with automated layout generation.

Designers:

Qiaochu Zhang, Shiyu Su, Cheng-Ru Ho

Tapeout:

TSMC 65nm, April 2020.

Description (ISSCC 2021):

A  ring-based digital PLL using a low-cost but coarse (<5 bits) time-to-digital converter to calibrate a high-precision (>11 bits) digital-to-time converter. 

Designer:

Shiyu Su

Tapeout:

TSMC 65nm, May 2019.

Description (ISSCC 2020):

A SAW-less direct RF transmitter with tri-Level time-approximation filter and reconfigurable dual-band delta-sigma modulation.

Designer:

Shiyu Su

Tapeout:

TSMC 65nm, June 2018.

Description (VLSI 2019):

A 1-5GHz direct RF transmitter with time-approximation filter achieving -158dBc/Hz out-of-band noise spectral density and -43dB EVM at 1024 QAM.

Designer:

Shiyu Su

Tapeout:

TSMC 65nm, May 2017.

Description (ISSCC 2018):

A 16b 12GS/s single/dual-rate DAC with successive bandpass delta-sigma modulator achieving <-67dBc IM3 within DC-to-6GHz tunable passbands.

Designers:

Shiyu Su, Tzu-Fan Wu

Tapeout:

TSMC 28nm, April 2016.

Description:

A multimode hybrid DAC and a NUS ADC with dithering DACs for wireless transceivers.

Designer:

Shiyu Su

Tapeout:

TSMC 65nm, December 2016.

Description:

A hybrid DAC with lowpass/bandpass/highpass delta-sigma modulator and image replica cancellation.

Designer:

Shiyu Su

Tapeout:

TSMC 65nm, May 2015.

Description (ISSCC 2016):

A 12b 2GS/s dual-rate hybrid DAC with pulsed timing error pre-distortion and in-band noise cancellation achieving >74dBc SFDR up to 1GHz.

Designers:

Shiyu Su, Tu-I Tsai, Praveen Kumar Sharma.

Tapeout:

TSMC 65nm, June 2013 .

Description (VLSI 2014):

A 12-bit hybrid DAC with 8GS/s unrolled pipeline delta-sigma modulator achieving >75dB SFDR over 500MHz .