Without regulation, this basic circuit has the output current, and voltage determined by the transformer. The input can be 110 V and 220 V if the transformer used is of the indicated type.
This circuit was found in an English publication from the 70s, an article that teaches how to...
This is an old circuit with a feature that most modern oscilloscopes have. We found it in a Radio...
The LMV321 is a low voltage operational amplifier from ON Semiconductor. The following diagram,...