Found in an old Xicor documentation, this circuit makes use of an X9241, which contains four digitally controlled analog potentiometers.
This simple telephone amplifier can be used as an auxiliary amplifier for additional listening, without...
This circuit can be used in fiber optic links or even direct links to microcontrollers and other...
This article was obtained in a French magazine Nouvelle Electronique from 1994. It can be easily...