Found in a 90s Silicon Chip documentation, this circuit provides a current of 3 A and the voltages range from 0 to 20 V. The integrated circuit and the transistor must have heat sinks.
This reverb effect was found in the December 1961 Radio Electronics magazine. It makes use of...
Found on Popular Electronics from the 1990s, this oscillator uses a general purpose transistor. The...
This simple 741 circuit was found in the August 1993 Electronics Now magazine. The source must be...