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[aprssig] backup pwr systems

VE7GDH ve7gdh at rac.ca
Tue Dec 5 15:31:37 UTC 2006


Ben VK5JFK wrote...

> Do you have a copy of the circuitry used by West Mountain Radio

I dug up the info sheet on the PWRgate and it didn't include the drawing. 
The older model they sold just consisted of a couple of Schottky diodes plus 
I believe a another diode & resistor for charging the battery. Their newer 
model has a more sophisticated charging circuit that allows you to select 
the maximum charging rate as well as being a 4 stage charger.

73 es cul - Keith VE7GDH
--
"I may be lost, but I know exactly where I am!" 





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