Found in a RE Experimenter Handbook from the 90s, this circuit is intended for the use of LEDs in a flashing system for Christmas trees. The circuit can be expanded
The critical component of this amplifier is the output transformer. We found the circuit in an old...
This circuit was found in the January 1989 issue of Radio Electronics magazine. The circuit sends...
This circuit was found in a 1980s documentation. Q1 and Q2 can be BC548 and SCR a TIC106. The...