Found in a 1968 Ferranti documentation, this circuit can be implemented with modern equivalent semiconductors. With the indicated components the load can be a lamp up to 1 A.
This traditionally configured power supply provides +12, -12 V and 5 V voltages for operating and...
We found this circuit in recent English documentation. It can provide an output current between 9 and...
This circuit, suggested by a 1975 documentation, detects an electrical discharge in a storm by...