----- Original Message ----- From: "Doug Butler" > I am trying to eliminate a PLL frequency synthesizer by simply switching 2 > or 3 crystals into the circuit. Where is a good source for custom crystals > in the 3MHz to 4MHz range? SMT crystals would be preferred. In my early > Ham days there were lots of places that made custom crystals for the Ham > bands in a week or so. I can't seem to find any now. Don't have any old QST's still lying around??? :-) Try jancrystals.com and check their custom crystal area. John AF4WM -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.