Originally Posted by LTD02
"I like UniBox and believe it's more accurate than WinISD."
except for inductance, don't both programs employ more or less the same equations for small signal response?
I don't know, but a professional designer I talked to says UniBox gives results much closer to predictions and measured results from Speak (IIRC).
Another odd thing is that in WinISD adding series resistance gives big increases in in low freq output, UniBox much less so.