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.
This circuit converts inductances on two scales into voltages. The circuit was obtained from a...
Placed in the vicinity of a telegraphic transmitter (CW), this circuit produces an audible signal on...
This circuit was found in a 1967 RCA documentation. The components are of the time. The circuit...