In the figure below we have the connections of an automotive alternator in a triangle. The diodes depend on the current.
Found in a 90s American documentation, this circuit mimics the Enterprise warning signal from the...
The diagram shows a simple way to adjust a 7805 to have output voltages up to 12 V. The circuit is from...
The operational amplifier used in this configuration is of an uncommon type today. The circuit can be...