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9 members, 21 messages added in the last 7 days
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  • Re: nfb resistor value

    If you have an OpAmp based amplifier, whose open loop output impedance is Zout, and if NFB depth is D, output impedance with NFB is roughly Zout / D (D in

    sergstesh 12 hours ago
  • Re: nfb resistor value

    Sergei: In my ignorance I thought that I could not have a higher r2 value than the impedance of the following stage, which is the recorder at 20k. (where r2 is

    weroflu 12 hours ago
  • Re: nfb resistor value

    "I'm looking at 30k for the gain setting resistor. The input impedance of the recorder is 20k, so this will not work." - why do you think it won't work ? More

    sergstesh 12 hours ago
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Audio recording in all media: Tape, DAT, minidisc, hard disk, solid state ...

Recording enthusiasts who like to get the most out of their equipment ...

Musicians, nature recordists, sound archivists, teachers, engineers, hobbyists, budget impaired ...

Experimenters discuss fresh & tried techniques ...

Microphone parts hunters & gatherers who like to brew their own ...

Anything for the mic do-it-yourselfer: Capsules, tubes, wiring, battery boxes, preamps, sources, new equipment ...

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