Hi to all,

I am working on a schematic that needs some calculation.
I have a resistor divider like this that Vref should be 2,57v


                       14.4v
                        |
                       /
                        \   R1
                        /
                        |___ Vref
                        |
                        /
                        \  R2
                        /
                        \
                        |
                        | Gnd

this is what I used to calculate resistor values

Vref = 14.4*(R2/(R1+R2)) so after changing resister values I got
R1 = 8,2 k
R2 = 1,782 k

before I got above values I tried several times until I got the right values
but
I know there is better way of calculating it by using Vref value.
Does any body know another formula ?.


Andre

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