[time-nuts] Trimble Thunderbolt GPSDO Troubleshooting

Mark Sims holrum at hotmail.com
Tue Mar 29 02:37:20 EDT 2016


Well,  if you think the 5V ref is bad, you could pull the ref chip and jumper the logic 5V to its output pad (through a resistor... maybe 1K) to do a quick and dirty test.  If the resistor output is dragged down, you know something is loading down the ref voltage. 		 	   		  


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