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Reward-Guided LLM Framework PCBSchemaGen Solves PCB Schematic Design with 81% Pass Rate

Artificial Intelligence #pcbschemagen#llm

Reward-Guided LLM Framework PCBSchemaGen Solves PCB Schematic Design with 81% Pass Rate

PCBSchemaGen is a training-free inference-time framework that turns a frozen LLM into a verifiable, repairable PCB schematic generator. It uses a deterministic 5-layer continuous-reward verifier with pin-level error localization and Thompson Sampling arm-acquiring bandit. Evaluated on 227 real-IC tasks across 22 circuit domains, an open-weight 31B model achieved 81.3% pass rate on PCBBench.

Jun 20, 2026 1 source