How to realize signal such on picture on Cadence 5? I need "ladder" from 0V to -2.04V with step 0.008 V (step can be smaller), 256 time intervaks. [URL=http://img227.imageshack.us/i/voltagest.jpg/][IMG]http:// img227.imageshack.us/img227/8071/voltagest.th.jpg[/IMG][/URL]