This circuit was found in a 90s Motorola documentation. The circuit uses two SCRs that must be chosen according to the controlled load. The time depends on CE.
Found in American documentation this circuit uses transistors of the time. The circuit can be made...
The TAA300 integrated circuit is not common today. In fact, the circuit shown is from a Dutch...
This circuit was found in a 1980s documentation. Q1 and Q2 can be BC548 and SCR a TIC106. The...