We found this 12 V ignition circuit in the 1964 RCA transistor manual. The 2N3054 can be replaced by the TIP41C. The two transistors must be provided with heat sinks.
Simple timers can be designed using inverters or any other gate that can be connected as inverter. Figure...
Found in the Encyclopedia of Electronic Circuits volume 5 from 1995, this circuit uses a...
Found in a 1980s telecommunications documentation, the circuit presented acts as a product...