From: Stefan Jahn <stefan@gr...>  20080326 06:57:03

Am Mi, 26.03.2008, 01:38, schrieb Layne Jakahi: > Hello, Hi Layne, > I cant seem to find your document on "How to use Qucs". On the QUCSTRANS > form, can you tell me what H_t parameter is? I understand what H and T > are > from your coupler tutorial but what is H_t? I have change the value of H > and T but H_t is not a function of these parameters. I am trying to > design > a microstrip coupler but I am not sure how to fill in the parameters. The H_t parameter is the "Height of Box Top". Hint: when moving mouse over the parameters you will see this tooltip. It means a metal cover over the coupler / lines. With no cover use 1e+20m (as is the defaut value). Hope this helps, Stefan. 