hey I'm looking for Logarithm Amplifier application, The application must have a circuit ( I am not looking for analog multiplier or analog divider, I want something else )

 

Hello,

Have a look here:
http://musicfromouterspace.com/analogsynth_new/DUALVCA/DLLVCA001.html

Bertus

 

Are you looking for a circuit that provides a log function?.........or an application that uses a log function?

 

Are you looking for a circuit that provides a log function?.........or an application that uses a log function?

application that uses a log function

 

Which one?

 

SPL (Sound Pressure Level) measurement, RF power measurement, Audio signal level measurement I(as in VU meter) or any other quantity or ratio expressed in db.