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Automatic Structure Generation and Parameter Optimization for CMOS Voltage Reference Circuit
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DOI：10.1109/ACCESS.2020.2981535.png)
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摘要
En 中文
An automatic design system for the voltage reference circuit is presented in this paper. The circuit coding method based on tracking coding is improved and the instruction set is expanded, thus the circuit structure with MOS transistors can be automatically generated. The differential evolution method is used to optimize the reference circuit. To improve the convergence speed and optimization effect, a new constrained solution and a fast non-dominated differential evolution algorithm based on weights are proposed. At the same time, HashMap is used as the cache to reduce the optimization time. Based on the proposed automatic structure generation and parameter optimization, two CMOS voltage reference circuits are automatically implemented in a 0.18 mu m standard CMOS process. Simulation results show that the line sensitivity, temperature coefficient, power and chip area are improved by 85.7%, 50%,92.7% and 59.5%, respectively, compared with the artificial solution.
Keyword:
Automatic design for analog integrated circuits
CMOS voltage reference
differential evolution
trail coding
Pareto comparison
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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