This circuit was found in a 1968 General Electric documentation. It has an input impedance of 2 M ohms and excites a load of 16 ohms. The integrated circuit of the time is the PA237.
This very low current circuit was found in the April 1995 Electronics Now magazine. The frequency...
With this circuit you can produce the sound effect passing from one channel to another. The...
This amplifier makes use of a simple 12 to 30 W source, having been found in the SGS manual of...