In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Cenlasoft, It is very possible that you don't have enough resoultion to get resonance. But with a 50MHz clock you can only vary the ON/OFF time by a minimum of 20nSec. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=338356#m338539 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2009 (http://www.dotNetBB.com)