niteviser wrote: > Ed, > > The tuning pin is the FM pin of the 12.8MHz module. There were several 12.8 > MHz references some with 3 pins and then some with 4 pins which used the half > rail to set the frequency mid point. It was quite acceptable to program to > the closest frequency on the Eprom and pull the reference either by altering > the voltage or adjusting to get the offset. It is still then 1ppm stable. Can > you tell me which PCB version you have 220-01398-??, I'll she what I have > available. > > niteviser >
I don't have any of the -26 transmitters. It is more for my understanding of how they are doing things (where they bring out the tuning voltage on the DB25 or is it using the option DB15, etc.) and what is required to fully modify a -26 to a -20. Ed Yoho W6YJ
