Couplings Designer
Couplings Designer for iPhone. Modern advanced filter synthesis using coupling matrix techniques. There's a free LITE version limited to 4th order filters.
click here to follow the link to
Couplings Designer
if you want to rate
Couplings Designer
use this special
rating form
if this link is broken please
let us know
This is
www.dxzone.com
ham and amateur radio internet guide page, it requires frames for proper display.