Suggested by Linear Technology in documentation from the 90s, this circuit uses a company component available at the time. See if there are current equivalents.
This circuit, obtained in an American publication from 1978, causes a small 6 V incandescent lamp...
We found this circuit in a 1982 documentation, but the circuit can still be easily assembled, as the...
This input circuit for meters, which can also be used as a shield, is intended for operation with...