2009/7/21 Hal Murray <[email protected]>: > >> That said, the modules also appear to be powered by 28VDC, add some >> regulation, you could use the chassis to power the Thunderbolt, and >> mount it in one of the blank panels. > > Lead acid batteries are close to 2V per cell. For cars/trucks, they come > conviently packaged in 6V and 12V units. The phone company works off 48V. > > But where does 28V come from?
A nominal 24V lead-acid battery on charge will have a terminal voltage of 27.6V (I believe) so perhaps this is where it comes from. 73, Steve > > The Isotemp OSCO 127-10 data sheet says 27 V, but that's +3, -6 or 21-30V > which straddles both 24V and 28V. > > > -- > These are my opinions, not necessarily my employer's. I hate spam. > > > > > _______________________________________________ > 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. > -- Steve Rooke - ZL3TUV & G8KVD & JAKDTTNW A man with one clock knows what time it is; A man with two clocks is never quite sure. _______________________________________________ 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.
