This circuit was found in a Modern Transistor Workbook from 1965. The circuit sends signals from a small record player to a medium-wave radio placed nearby.
This circuit is from an old technical documentation from Spain. The circuit uses a FET that is...
Found in a documentation from the 90's, this circuit already includes an amplification stage. The...
This circuit, called Kames Dandy, can mix signals from a wide range of frequencies and is...