Difference between revisions of "Precise Ultra-low-power Timer"
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Revision as of 00:10, 19 January 2021
Contents
Introduction
The rapid growth of the internet of things leads to high demand for the continuous monitoring of environmental and biomedical signals. The circuits operate on the sensor node should be insensitive to temperature variation. Especially for on-chip timers, they have to have high frequency accuracies, meaning that they need to be insensitive to PVT variations and they have to have long-term frequency stability. While the temperature influences the characteristic of MOSFET, the light can also have similar impact, for instance, on the threshold voltage. This gives us the opportunity to compensate the temperature-dependent variations by tuning light.
Project Description
The goal of the project is to explore the impact of light on transistors and on-chip resistors with both theory and experiments. Eventually, with the obtained knowledge, an off-chip FPGA-based control loop can be developed to compensate the temperature variation for an on-chip timer. Students will:
- Study literature about light and thermal impact on MOSFET.
- Carry out the measurement for light and thermal impact on MOSFET characteristics.
- Develop a control loop to compensate temperature variation of the on-chip timer.
Status: Available
- Looking for Semester and Master Project Students
- Supervision: Jiawei Liao, Giorgio Cristiano, Hesam Omdeh Ghiasi, Liza Zaper
Prerequisites
- VLSI I
- Solid state device physics will be a plus