This sensor circuit from a 1967 Ferranti documentation uses components from the era. The circuit can be used as a shield, although the integrated one used is unusual today.
Found in documentation from the 1980s, this circuit is used for resistive loads (incandescent...
We found this circuit in a 1978 publication. It provides a different combination for alarm sensors...
This regulator provides a regulated output voltage of 48 V under a current of up to 1 A from a 60...