This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply voltage and has a 10 Vpp output. The transistors are of the time, but admit equivalents.
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...