[sdiy] converting a 10v p to p to a 0-5 volt signal

[David Panseri]

Also if you want to save Op Amps you can use a non-inverting configuration.

-Dave

On Tue, May 19, 2009 at 8:49 PM, Jason Proctor <jason at redfish.net> wrote:
> i did exactly this for my Arduino module. it bidirectionally interfaces a
> +/-5v signal to the micro's 0-5v range.
>
> turned out to be pretty easy - on the way in, chop the signal in half, and
> bias with +2.5v. then reinvert. on the way out, do the opposite. 1 dual
> opamp each way.
>
> lmk if you want the details.
>
> (i should also thank Tom Wiltshire here for his help getting me off the
> ground with this stuff.)
>
>
>> tonight i was looking at my scope
>>
>> Checking the input into a circuit that was only able to take 0-5 volts
>>
>> Sure enough, the signal was between 0 and 5 but the sawtooth was clipped.
>>
>> So i am looking for a input block that can take either
>> 5vp to p or 10v p to p (or any synth signal)
>> and spit it out as a 0-5 signal without squaring the top.
>>
>>
>> anyone know of a good circuit for this?
>>
>> thanks
>>
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