I'm not an EE so maybe someone who is can answer my question. A boost circuit certainly cannot have 100% efficiency, but how efficient would it be? Some of the energy in the battery will be consumed by the boost circuit and not available to the radio. So then how does one evaluate whether using a boost circuit will get you more operating time or not? I presume it must have something to do with the flatness of the battery's discharge curve and also whether you need more than 5 watts.
David K0LUM At 7:40 PM +0000 1/12/12, Thomas Horsten wrote: > > >That said, does anyone on the list know of a circuit that could step up the >voltage of the 12V LiPol cell to a regulated clean 13.8V supply? It would >be great to be able to put out the full power continuously. I guess an >inverter and switched mode supply could be used but that would be far >overkill, does anyone know of any chips e.g. available from Farnell that >could be used in such a box? The LiPol should easily be able to deliver the >amps needed even when partially discharged, and the supply would have other >uses too. > >73, Thomas ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
