This circuit for a digital module was found in the September 1989 Radio Electronics magazine. The source must be symmetrical to the operational amplifier.
This circuit was found in 90s Radio Electronics. The transistor can be any general purpose....
This circuit was obtained in a 1982 English magazine. It is a regulator for outputs between 1 and...
The circuit, shown in the figure, activates a relay when the logic level applied to its input, from...