<p>➀ Summary of various EDA tools for analog circuit design, including schematic design, simulation, SPICE model generation, transistor characteristics simulation, layout design, parasitic parameter extraction, LVS, IR-drop analysis, DRC, post-layout simulation, and mixed-signal simulation.</p><p>➁ Comparison of domestic and foreign manufacturers, highlighting the leading role of Cadence, Synopsys, and Mentor in the global market and the rapid growth of domestic companies like Hua Da Ji Tian and Guolun Electronics.</p><p>➂ Discussion on the challenges and opportunities in the analog chip design field, with a focus on AI-driven automation design and the construction of a domestic process ecosystem.</p>