This Sample & Hold circuit configuration is from an American 1980s documentation. The circuit uses components from the era, serving as a reference for studies or circuit analysis.
This interesting circuit is nothing more than a joke. Of course it can be used for other purposes....
This powerful high-fidelity amplifier was described in an article in Radio Electronics magazine in...
The power of this germanium transistor audio output stage is a few tens of milliwatts. The circuit is...