This circuit was found in Signalite documentation from the 1960s. The circuit uses a pulse transformer whose characteristics have not been provided.
This bidirectional circuit was found in an American documentation from the 80's. The LEDs are...
The amplifier presented with the TDA2003 can provide a power of up to 10 W (rms) in a load of 2...
Found in old American documentation, this circuit is intended for the control of heating elements. The...