+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
>
>