This circuit for voltmeter has an output of 1 V for 100 uA having been suggested by American publication of 1969. The transistors are general purpose types.
One of the problems with common multimeters, especially analog ones, is that their low resistance scales...
This circuit was found in old documentation, but the setting applies to any operational. Resistors...
Vz determines the trigger point for this protection circuit. The SCR doesn’t need to be mounted on a...