Re: FT-100D lowest usable voltage

There is a regulator in there for the +9 rail that has +3 volt or so
headroom so the +13.8 - 10% number should be about right.

Rick
W6NZK


On Sun, Sep 23, 2018, 9:52 PM Roy Ashkenaz roya-b4T0evRm615ZmPDBg+/6q1aTQe2KTcn/@public.gmane.org
[FT100] <[email protected]> wrote:

>
>
> I am running my FT-100D (with WSJT-X etc) off of some 12v batteries. It
> works fine for 1-2 hrs, until at some point, the radio and rig control
> starts to do weird stuff - seems to be due to low voltage being fed to
> the radio.
>
> Does anyone know from experience what the lowest voltage I should use to
> run my radio? Specs for the radio show 13.8v +- 10% (1.38v) = 12.42 but
> it seems like I've run below this voltage.
>
> I am in the process of building/buying a low voltage alarm for my
> batteries (built ones are just a few $$ on ebay) and want to set it to a
> reasonable value.
>
> Thanks, Roy K2RMA
>
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