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.
This is a two-input audio switching circuit. The operational can be of any type and more entries can...
We found this amplifier for automotive use in the Philips integrated circuit manual from 1990. The...
Found in old English documentation this circuit can be made with a BF245 or equivalent. Coils are...