SPECS: Speciated Evolutionary Circuit Synthesis

• URL: http://arxiv.org/abs/2607.14027v1
• Date: Wed, 15 Jul 2026 16:57:32 GMT
• Title: SPECS: Speciated Evolutionary Circuit Synthesis
• Abstract summary: SPECS is a genetic algorithm for automated analog circuit synthesis with joint topology and sizing optimization.<n>SPECS is inspired by NeuroEvolution of Augmenting Topologies (NEAT), an evolutionary algorithm originally developed to synthesize neural networks.<n>We evaluate the proposed method on a set of computational circuit synthesis tasks consisting of square, cube, square root, and cube root functions.
• Score: 6.4940263977324415
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We propose SPECS, a genetic algorithm for automated analog circuit synthesis with joint topology and sizing optimization. SPECS is inspired by NeuroEvolution of Augmenting Topologies (NEAT), an evolutionary algorithm originally developed to synthesize neural networks. By reformulating the genome representation and adapting the genetic operators to the analog circuit domain, we successfully transfer the core principles of NEAT to analog circuit synthesis. Circuit-specific wiring constraints are incorporated to ensure valid and physically meaningful designs throughout the evolutionary process, and speciation is used to preserve innovation while maintaining population diversity. We evaluate the proposed method on a set of computational circuit synthesis tasks consisting of square, cube, square root, and cube root functions. Experimental results demonstrate that SPECS outperforms benchmark methods across all tasks in both solution quality and reliability. The synthesized circuits and their schematics are available in the supplementary repository.

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