This balance indicator for stereo amplifiers was found in an 80's Elektor. The components used are common. Zeners are 1.8 V or close to that value.
The circuit presented is from the 1997 LinearTechnology Applications. The circuit uses components of...
April 2017 - Already obtained at Mouser Electronicsthe new Molex miniDImm sockets according to...
Using the 741 operational amplifier this circuit was found in the August 1993 Electronics Now...