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Amplitude to voltage

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prprog

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Whats the name - How do you identify/called a circuit to convert amplitude (of an audio signal) to voltage?

I try to web search such a circuit using "amplitude to voltage circuit" but I don't found a circuit that can work on audio signals to be converted to voltage. What I need is a circuit that regarless of the frequency , it generates a voltage based on the amplitude of the audio signal. The frequency must not be part of the output voltage.

Thanks,
 

ericgibbs

Well-Known Member
Most Helpful Member
Whats the name - How do you identify/called a circuit to convert amplitude (of an audio signal) to voltage?

I try to web search such a circuit using "amplitude to voltage circuit" but I don't found a circuit that can work on audio signals to be converted to voltage. What I need is a circuit that regarless of the frequency , it generates a voltage based on the amplitude of the audio signal. The frequency must not be part of the output voltage.

Thanks,
hi,
Its called a 'precision rectifier'.
 

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