cavity resonance

how i can calculate the cavity resonance of the circuit. which s/w i have 2 select for getting it?

Hello,

A more accurate way to predict the effects of a rectangular cavity involves the use of an EM field simulator, such as the Sonnet? Professional Planar Software Suite from Sonnet Software (Liverpool, NY).

See here

http://mwrf.com/Articles/ArticleID/5430/5430.html

---manju---