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joe_bleau
on Jan 5, 2010
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Ask HN: What are you working on?
I'm really surprised that the mic input is DC coupled. That's _very_ odd. But then I've not seen the schematics (anyone got a link?), so maybe it is.
I'd certainly consider a low power rail-to-rail op-amp and dump the 9V batteries.
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I'd certainly consider a low power rail-to-rail op-amp and dump the 9V batteries.