Reproduce “Analog Circuit Sizing Using Machine Learning Based Transistor Circuit Model” on OpenResearch

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About this paper

Alireza Bagheri Rajeoni

Alireza Bagheri Rajeoni presents a methodology to accelerate analog circuit design by integrating traditional transistor models with regression-based machine learning. The approach predicts threshold voltage (Vth) and mobility-oxide capacitance product ( Cox) as functions of transistor dimensions, reducing reliance on iterative simulations. Applied to a Current Feedback Instrumentation Amplifier, the method achieved a gain of 8.17 V/V, GBW of 6 MHz, and power consumption of 5.76 W.

Key insights

  • Hybridizing established circuit theory with machine learning can efficiently address the non-linear complexities of modern transistors.
  • Regression models can accurately predict fundamental transistor parameters (Vth, Cox) across a range of dimensions, with errors typically under 3% for Vth and under 9% for Cox in specified ranges.
  • Pre-modeling transistor behavior using ML allows for direct sizing calculations, significantly reducing analog design time compared to iterative simulation methods.

Summary by alphaXiv.

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