The circuit shown in the figure below is from the 1993 Linear Technology Applications. The operational ones used are uncommon and the use of equivalents can be analyzed.
This voltage regulator from STMicroelectronics provides a 1,2 A current in the voltage range from...
Dwell meter is the English name given to the opening angle meters of old plated cars. We found this...
With this circuit, found in a 80s Popular Electronics, it is possible to use two ordinary phones in a...