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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of GraphSearch.
This lecture covers the concept of current mirrors, which are used in analog design to provide a stable current source. The instructor explains how MOS devices in saturation can act as current sources and how they are essential for biasing analog circuits. The lecture also delves into the design considerations of current mirrors, such as resistive dividers, PVT dependencies, and precise current copying techniques. Examples are provided to illustrate the calculation of output currents in current mirror circuits. Sizing issues and the use of 'unit' transistors to minimize errors in current mirrors are also discussed.