At 2:17 PM 7/21/97, Scott Walsh wrote: > Guys, > > When having problems with crystals, the thing you must check is the > ESR rating of the crystal. > > I havnt followed the thread of this argument closely and cant remeber > what speed your XTAl is, but in general, XTAL's are much harder to get > going than Resonators. The equivalent series resistance is about 30 > for XTALs at 5MHz and 150 for resonators at 5MHz. The choice of > capacitors is dependant on this ESR value. This thread was originally launched by a message from me. I'm using a ceramic resonator with builtin 30pf capacitors. Am I naive to think that the people who manufacture the resonators supply appropriate sized caps?