electret microphone amplifier


Posted on Feb 4, 2014

Level refers to the relative strength of the signal and is measured in decibels. LINE level sources are much-amplified signals over MIC (microphone) level signals. Line level is usually between -10 to +4 dbm in strength while MIC levels are normally -60 dbm. The line output standard  designed to drive a load of 600 ohms or greater, at a mean signal level of 0. 775V RMS.


electret microphone amplifier
Click here to download the full size of the above Circuit.

An exception exists in respect of compact disc players, where the output level is most commonly 2V RMS.




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