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Energy-Efficient Edge-Pursuit comparator for ultra-low power ADC

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Energy-efficient comparators are crucial for Analog-to-Digital converters for the Internet of Things. For this reason, a lot of publications are looking at how to improve the energy efficiency of this block and one of the most interesting novelty is the Edge-Pursuit Comparator, published in 2019. This comparator is based on a ring oscillator and exploits two different paths of the signal with two different speed to make the comparator take a decision. The goal of this project is to develop the measurement setup for a similar comparator that we have designed, measure the performance, and to develop the mathematical framework and analysis of the working principle of this comparator. This project is available for both a semester project or a master thesis. This is mostly an experimental project. It will consist of electrical testing of the chip, simulations and analysis. A more detailed project description will be provided tailored to the type of the project (master or semester).

If the project goes well, there is the chance to publish a scientific paper.

Status: Available

Looking for master or semester thesis students
Supervisor: Rosario Incandela <>


  • The student should have taken the analog electronics courses (AIC and EEAIC) for a basic understanding of the circuits. He should also enjoy the mathematical analysis of circuits.


  • 10% Literature review
  • 40% Theory/Analysis
  • 50% Measurements/Simulations


Prof. Taekwang Jang <>


[1] M. Shim et al., “Edge-Pursuit Comparator: An Energy-Scalable Oscillator Collapse-Based Comparator with Application in a 74.1 dB SNDR and 20 kS/s 15 b SAR ADC,” IEEE J. Solid-State Circuits, vol. 52, no. 4, pp. 1077–1090, 2017, doi: 10.1109/JSSC.2016.2631299.

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