We found this circuit in a 1967’s Electronics World. The circuit can be made with modern equivalent transistors. The selection is made by the tuned coil.
This simple circuit of effects is interspersed between the instrument and the amplifier. It is...
Found in American documentation from the 90s, this circuit converts 28 V to 155 V with a frequency of...
This is a simple circuit that we found in a 2001 documentation. The integrated circuit must be...