[sdiy] OT: Wisdom

[Neil Johnson]

Well, assuming Taku is right and we swap the inputs to the opamps,
then the top op-amp outputs -3V3, and the bottom op-amp output sits at
0V.

Assuming of course that your op-amps are wired across bipolar supplies, etc.

Neil

On 23 November 2010 11:27, Veronica Merryfield
<veronica.merryfield at shaw.ca> wrote:
> I wonder if the collected masses, who seem to have a decent handle on this sort of stuff, could take a quick look at the below ASCII art schematic.
>
> Assuming all the resistors are the same, what would the output be of the two op-amps?
>
> Thanks
>
> 3.3v-----
>        |
>        \
>        /
>        \
>        /    ---/\/\/\---
>        |   |            |
>        |-----|+         |
>        |     |opamp  -----
>        \  0v-|-
>        /
>        \
>        /
>        |
>        |
>        |
>        \
>        /
>        \
>        /
>        |   ---/\/\/\---
>        |  |            |
>         ----|+         |
>             |opamp ------ ????
>          0v-|-
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