This circuit was found in a 90’s 303 Circuits. The components are from the period and the heating system depends on the resistive element.
This configuration, which appears in other projects in this section and on the website, shows how...
This circuit should be placed between a turntable and recorder or playback media from the input to...
This goniometer for the medium wave range was found in a 1967 documentation. It can be adapted to work...