On 04/02/2012 11:35 AM, Stijn Nestra wrote: > The PRS10 schematics are available on line from Didier. > See the following link: > http://www.ko4bb.com/manuals/index.php?dir=05%29_GPS_Timing/SRS Thanks! On the same page (21/24) as the x2000 PPS time interpolator is also the PPS programmable delay circuit. Not too complex. Cheers, Magnus