Applying an operational of the time, this circuit of an old documentation can be elaborated with modern operational. The feed must be symmetrical.
In the figure we have a high stability voltage reference, providing a voltage of 10 V at the...
Photodiodes can be used to sense moving objects, such as optical switches and encoders. In the...
This circuit, which can be used as a shield, was found in a 1980s documentation. The circuit can be...