On 8/25/06, Marcel duchamp <marcel.duchamp@sbcglobal.net> wrote:
>
> How will Ra limit the voltage swing?
>

An analog switch is switching between two feedback networks.  Ra stays
attached to the end of 100k, so that, when the the feedback is
switched out, the swing at the switch is Ra /(Ra+100k) times the full
output voltage.  When the feedback is switched in, the swing is 0.

Regards,
Mark
markrages@gmail
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