TACS-RF：工具驱动的射频与毫米波模块智能体电路综合

arXiv cs.AI 论文
llm-agents eda rf-mmwave circuit-design hardware-automation cadence

摘要

我们提出了 TACS-RF，这是一个由大语言模型编程智能体（Claude Opus 4.8）半自主驱动行业标准 EDA 工具的框架，用于采用 90 nm SiGe BiCMOS 工艺设计一款工作频率为 240–251 GHz 的亚太赫兹发射机，标志着射频/毫米波硬件设计向“文本到 ASIC”的未来迈出了一步。

arXiv:2610.31882v1 Announce Type: new Abstract: We present the framework of TACS-RF - a Tool-driven Agentic Circuit Synthesis of RF and mmWave modules. In this framework, a large-language-model (LLM) coding agent (Claude Opus 4.8) directly drives industry-standard electronic-design-automation (EDA) tools such as Cadence Virtuoso/Spectre, Calibre, Cadence EMX, and Ansys HFSS to design RF and mmWave modules. We validate the framework through the agentic design of a 240-251 GHz sub-THz transmitter in a 90 nm SiGe BiCMOS process. The agent semi-autonomously designed the sub-blocks including a 60 GHz push-push Colpitts VCO with second-harmonic extraction, multistage differential cascode power drivers, a push-push frequency doubler, a differential bowtie antenna, and all the interstage matching networks. The transmitter chain with parasitic-extracted devices and EM-verified passives delivers +5.1 to +6.3 dBm across an 11 GHz varactor-only tuning range, phase noise of -80 to -88 dBc/Hz at 1 MHz offset while consuming a DC power of 361 mW. We describe the agent-driven design flow and the resulting division of labor between human and agent, taking a step toward a "text-to-ASIC" future for designing RF/mmWave hardware.
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