Monday, December 01, 2025

RF IC Design Optimization- LNA


LNA

3.5 GHz LNA N7 (closed-form), specN16,  share, slides Smith Chart in Optimizer, Smith Chart, Optimizer UI with synced sliders (closed-form),  
schematic 0.6 – 6 GHz (Sub-6),slides, slides+

GD/(A*)+MNA Optimizer on a Apple C1 LNA Die artifact  MNA Optimizer on Die (MNA all param.)
DE+MNA Optimizer on Die artifact (MNA all param.)

Optimized vs. Original (5 GHz), mdReality check (slides), md


schematic







running ngspice in Claude VM (findings, ill., also Cadence below, handout md)




initial parameters running MNA (findings, ill., handout md, detail md)




optimized parameters using MNA (share, handout md)




Use Cowork
analytical vs. MNA




auto-correction of model, auto-optimize parameters
until all specs pass




Cadence
Cadence files (slides) LNA approximationSpice vs Spectre PSS slides, PSS on LNA slides

    No comments: