This circuit trips when the current in a load exceeds the programmed value that depends on Rx. The circuit is from the Radio Electronics magazine of June 1986.
The sensor in this circuit is a BA315 diode. Other diodes can be experimented, but this is one...
The figure shows how to implement the AND function with a Norton LM3900 operational amplifier. The number of...
A single high-power transistor MJ15003 is used in the circuit in the figure to generate strong...