[Elecraft] Clock Accuracy

[Jan Holmer SM6TUW]

I consulted the data sheet for the clock circuit PCF8563T (U16 in the K3 
circuit diagram ) You can adjust the average deviation over one year to less 
than +- 5 minutes. Adjustment of one capacitior (C60) is required though. 
http://www.nxp.com/acrobat_download/datasheets/PCF8563_6.pdf

Jan
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