This work demonstrates agentic coding environments extend to professional RF hardware design: an active GNSS L1-band antenna was designed, optimized, and made manufacturing-ready.
Abstract
Agentic coding environments give a frontier large language model (LLM) direct access to a workstation's terminal, file system, and software. This work demonstrates they extend to professional RF hardware design: an active GNSS L1-band antenna - a circularly polarized patch, surface acoustic wave (SAW) prefilter, and two-stage low-noise amplifier (LNA) on one printed circuit board (PCB) - was designed, optimized, and made manufacturing-ready. The LLM agent autonomously operated CST Studio Suite, Keysight ADS, and KiCad via scripting interfaces. Engineer input was limited to the specification, trade-off decisions, and design reviews. Workflow, results, and the RF engineer's evolving role are discussed.
The design of broadband RFICs, such as distributed amplifiers (DAs), requires extensive manual effort in topology selection and parameter tuning under complex design constraints. While large language models (LLMs) have recently been explored for circuit design automation, existing approaches often suffer from limited s...
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