This circuit is from 1964 documentation but can be easily implemented based on current components. Input waveforms and detection are shown next to the diagram.
Found in Radio Electronics from the 90s, this circuit has a power given by the output amplifier. The...
This circuit was obtained in a 1982 English magazine. The purpose of this circuit is to interface...
We found this circuit in an English publication of 1976. It can be easily assembled by changing the...