On 10/28/16 9:13 AM, Scott Stobbe wrote: > The OCXO82-59 datasheet lists 12V supply, 5V clock out, could also be a > blown regulator in your ocxo, if it is indeed a 12v model. > There you go..the design could use a 74S30 as a driver - it's fast, fairly good drive, but runs off 5V. If the regulator is shorted, and you put 12V on it, it will cook.