Hi If you go through the math on your eeprom, there is a point at which writes “don’t matter”. It depends a bit on the part you have and your target life. One write every 24 hours is still under 10K writes in a reasonable lifespan for a GPSDO. It’s a rare eeprom that is rated that low.
Bob > On May 20, 2016, at 12:27 PM, Chris Albertson <[email protected]> > wrote: > > Rather then a manual button, you might always burn in the EFC value > after finding it stable for some number of hours. Then after that > only burn it again under some strict conditions like being stable for > twice as many hours and the value in the EEPROM is different from what > it needs to be, eventually getting to updates every week or two if > needed. Actually that is my use of the Rb oscillator a portable > reference > >> Another use case for this GPS discipline module is to use it to figure out >> the correct tuning value for a particular oscillator, then unplug it and use >> the DOS software to commit that value to EEPROM (multiplying the logged >> value by 4 to make up for the resolution reduction). Having done that, you >> now have a portable calibrated reference. From what I can tell the holdover >> performance of the 5680A is particularly good - exactly why they made them, >> in fact. If I had just one more input on the controller, I might have added >> a “commit” button that would send the EEPROM burn command on demand with the >> current EFC value (the controller is almost out of flash space, though, so >> that’s an issue). >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > > > -- > > Chris Albertson > Redondo Beach, California > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
