This protection circuit trips by quickly blowing the fuse in the event of an overcurrent. The circuit is from a 1964 Electgronic Design. The transistor can be general-purpose.
The integrated circuit used in this National Semiconductor project is not the most common and the...
In the figure we have the circuit of an amplifier for alternating signals with 10 times gain,...
I got this circuit from Hands-On Electronics, 1988. The American magazine no longer exists, but...