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Posts tagged microphone

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Q&A Single-supply non-inverting op-amp with an output offset. How to create the output offset?

I was looking for electret condenser microphone preamp topologies. I’d like the preamp to run on a single supply, so I’ll have to introduce an output offset. Saw two topologies for introducing th...

1 answer  ·  posted 4mo ago by misk94555‭  ·  last activity 4mo ago by Olin Lathrop‭

Question opamp microphone
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Q&A How does JFET biasing work in a 2-terminal electret condenser microphone?

I’m trying to understand the biasing of a 2-terminal electret condenser microphone.  The inner workings of a 2-terminal electret microphone are always drawn without a resistor at the JFET source.  ...

2 answers  ·  posted 7mo ago by misk94555‭  ·  last activity 7mo ago by Andy aka‭

Question JFET microphone bias
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