This circuit was taken from an article in Electronics Now magazine in February 1995. The power supply must be dual and other operational amplifier can be used.
This small inverter came out in an Argentine magazine from the 1970s. It can also be assembled with...
We found this circuit in Radio Electronics from the 90s. The components are current. The sensor is a...
This second-order filter was found in old American documentation and can be applied to other...