Found in the 1989 Radio Electronics Experimenter special edition, this circuit was designed for assembly with SMD components. The printed circuit board was provided.
This circuit is from a Radio Electronics from December 1964. The components are from the time and...
This 1992 circuit has a diode normally replacing the diac that is used in this type of...
This circuit was found in a 1966 General Electric documentation. The circuit makes use of PUTs...