[time-nuts] Special connector for Symmetricom X72 rubidium standard
holrum at hotmail.com
Fri Aug 18 22:58:20 EDT 2017
The Mark II (groan)... changed power connector to a 2.1mm barrel jack, added a 15uF or so filter cap, added a PPS LED, added a separate ground test point, added series damping resistors for the ACMOS and FXO outputs (can be omitted to isolate these signals from the cable), etc.
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