> How many PPM do you need? adn whatamount of jitter? You will find reference > crystals with 10ppm at 10mHz very easy and cheep. > > > Dennis > We are in need of a reference crystall with a swing of about +-1200 PPM at Fc of 16MHz and a couple other frequencie in that range. Obviously, 10PPM is not acceptable. Thanks for the response nonetheless. -Vincent Deno