This basic Schmitt trigger was found in an American publication from 1968. The circuit uses transistors from the time. Modern general-purpose types can be used.
In the figure below we have a simple way to perform a function test for a solar cell. The circuit is...
We found this circuit in 2005 Linear Technology documentation. MPOSFET is load-matched. The...
This resistance meter has a linear scale, converting resistances to voltage. The operational...