On Wed, Mar 12, 2014 at 9:10 AM, cfo <xne...@luna.dyndns.dk> wrote: > On Wed, 12 Mar 2014 11:48:04 -0400, d0ct0r wrote: > > > If you have a conditioning circuit betewwn the OCXO and the STM , i'd > like to see it. As i have the need for one , trying to interface a 5v OCXO > to a NXP 1114 Arm , that wants max 1.8v in the clockinput. > > There are logic level converter chip made for this purpose or you can use a comparator and compare the 5V clock to ground. Or just a diode to clip the sine wave. If you connect a code. Sometimes you can set buy with a pair of resisters wired as a voltage divider. I like the comparator best because it will not load the clock. Diodes will load it for other users.
-- Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
