This passive circuit was found in a 1980s documentation. The circuit serves to indicate the balance or balance between the channels of a stereo amplifier.
This circuit, obtained in a 1983 magazine, can drive loads up to 100 mA if the transistors are...
This two-input limit detector was found in an American 1980s documentation. The circuit can be...
This circuit of an Electronics Now from the 90's produces an intelligent direction signal that has...