This circuit is from Mullard documentation from 1969. Transistors support current equivalents. Output transistors must be mounted on heat sinks.
The purpose of this circuit is to add millivolt scales to a common multimeter. Used transistors are...
This circuit is from a 1968 documentation using one of the first integrated circuits available at the...
By the characteristics, this circuit can be used as command of triac by direct current, which is...