A Large Language Model-based Multi-Agent Framework for Analog Circuits' Sizing Relationships Extraction

Fuente: arXiv
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Hauptverfasser: Liu, Chengjie, Chen, Weiyu, Xu, Huiyao, Du, Yuan, Yang, Jun, Du, Li
Format: Preprint
Veröffentlicht: 2025
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author Liu, Chengjie
Chen, Weiyu
Xu, Huiyao
Du, Yuan
Yang, Jun
Du, Li
author_facet Liu, Chengjie
Chen, Weiyu
Xu, Huiyao
Du, Yuan
Yang, Jun
Du, Li
contents In the design process of the analog circuit pre-layout phase, device sizing is an important step in determining whether an analog circuit can meet the required performance metrics. Many existing techniques extract the circuit sizing task as a mathematical optimization problem to solve and continuously improve the optimization efficiency from a mathematical perspective. But they ignore the automatic introduction of prior knowledge, fail to achieve effective pruning of the search space, which thereby leads to a considerable compression margin remaining in the search space. To alleviate this problem, we propose a large language model (LLM)-based multi-agent framework for analog circuits' sizing relationships extraction from academic papers. The search space in the sizing process can be effectively pruned based on the sizing relationship extracted by this framework. Eventually, we conducted tests on 3 types of circuits, and the optimization efficiency was improved by $2.32 \sim 26.6 \times$. This work demonstrates that the LLM can effectively prune the search space for analog circuit sizing, providing a new solution for the combination of LLMs and conventional analog circuit design automation methods.
format Preprint
id arxiv_https___arxiv_org_abs_2506_18424
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A Large Language Model-based Multi-Agent Framework for Analog Circuits' Sizing Relationships Extraction
Liu, Chengjie
Chen, Weiyu
Xu, Huiyao
Du, Yuan
Yang, Jun
Du, Li
Artificial Intelligence
Emerging Technologies
In the design process of the analog circuit pre-layout phase, device sizing is an important step in determining whether an analog circuit can meet the required performance metrics. Many existing techniques extract the circuit sizing task as a mathematical optimization problem to solve and continuously improve the optimization efficiency from a mathematical perspective. But they ignore the automatic introduction of prior knowledge, fail to achieve effective pruning of the search space, which thereby leads to a considerable compression margin remaining in the search space. To alleviate this problem, we propose a large language model (LLM)-based multi-agent framework for analog circuits' sizing relationships extraction from academic papers. The search space in the sizing process can be effectively pruned based on the sizing relationship extracted by this framework. Eventually, we conducted tests on 3 types of circuits, and the optimization efficiency was improved by $2.32 \sim 26.6 \times$. This work demonstrates that the LLM can effectively prune the search space for analog circuit sizing, providing a new solution for the combination of LLMs and conventional analog circuit design automation methods.
title A Large Language Model-based Multi-Agent Framework for Analog Circuits' Sizing Relationships Extraction
topic Artificial Intelligence
Emerging Technologies
url https://arxiv.org/abs/2506.18424