Found in General Electric documentation from the 1980s, this circuit generates signals that depend on the values of the components given in the table next to the diagram.
Found in an old Elektor, this circuit uses two 7-segment displays to indicate the volume of an...
This different audio amplifier was found in a 90's Electronic Design. The circuit uses components...
We found this circuit in the August 1994 issue of Electronics Now magazine. The circuit is based on...