+V
                              ----
                                 |
                                 \
                                 /   R1 = 1k
                                 \
                                 /
                                 |
                                /
          R2 = 10k     /
-----/\/\/\/\--------|
                             \
                               \
                             -----
                              ---
                               -


COS goes into R2, the inverted COS can be picked of the bottom of R1

See if this graphic works...

73
Brian



[EMAIL PROTECTED] wrote:
>
> First try at ASCII graphics didn't look so good; trying again:
>
> >Anyone have a circuit diagram to reverse a cor from high to low to low
> >to high?
>
> . V+
> . O
> . |
> . |
> . /
> . 4.7K \
> . /
> . |----O OUTPUT
> . /
> . |/
> . 33K |
> .INPUT O---/\/\/\-------| 2N2222
> . |\
> . \
> . |
> . -----
> . ---
> . -
>
> V+ can be either 5 or 12 V, depending on what output high voltage you 
> need.
>
> Bob NO6B
>
>  


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