This stage was found in a 1964 Electronic Design. The transistors are of the time and the shape of the signal obtained is shown in the diagram.
Two transistors connected in direct engagement, so that the first emitter is connected to the base of...
This mixer uses only four passive component and can be used with high impedance sources. The input and...
This receiver was found in a documentation by Gernsback from 1960. The circuit uses high impedance...