Simple useful simulation tools


S-Parameter database. Useful for HF network simulation.

My paper at Dorsten on design and simulation of HF PA: DF4AE_Dorsten08.pdf

Reentrant cavity calculation. This EXCEL datasheet allows you to calculate the resonance frequency of so-called "reentrant cavity" resonator. This is one of the most common types of the cavities, used in fillters, electon devices (klystrons, triode generator tubes), wavelentg mesurement cavities, etc. In the simpliest case it is a coupled cylindrical cavity with a tuning screw along the axis.

Wind energy calculator. For your portable activity from the top of a hill next to your home: estimate the electrical power a small wind turbine can produce.

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