AGC between Telephone headset jack and headset

Thread Starter

AACDON

Joined Jul 30, 2011
3
I want to design an AGC circuit for the receive side of a telephone headset. I want to insert this circuit into the telephone headset jack and plug the headset into the AGC circuit. I do not want to reinvent it if there is a commercial product available for this purpose. I have searched the internet for such a device but I cannot find it. Unless someone knows of one readily available, I need help to design this circuit. Thanks
 
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