Found in 90's Electronic Engineering this circuit can be used to measure phase angles between two signals from 0 to 180 degrees. The components used admit modern equivalents.
With this name, we find in a documentation by Hugo Gernsback from 1960 this small transmitter for...
This circuit uses operational amplifiers that must be powered by a symmetrical source to implement a...
In the figure we have a way to obtain a 15 V symmetrical source with a 30 V single winding...