This circuit detects when a signal reaches its peak value. The source must be symmetrical and equivalent operational amplifiers can be used. This circuit was found in an old European publication.
We found this phonographic transmitter for the MW band in a 1956 documentation. The circuit has a...
The voltage of 30 V indicated in this project, shown in the figure depends on the diac used. It...
We find this circuit in an American 1980s documentation. The circuit drives a system that keeps a...