This circuit with the XR2206 IC squares the value of a voltage. The circuit was published in the April 1978 issue of Radio Electronics magazine and should be powered by a symmetrical 15 V source.
The given number circuit is used to activate the relay by interrupting the light beam that hits...
In the figure we have a simple and efficient way to obtain rectangular signals from an astounding 555...
This circuit, for 78xx series integrated devices, is suggested by Motorola in its 1990 Linear...