This circuit from a June 1957 Radio Electgronics is for oscilloscopes of the time with a maximum frequency of a few megahertz. The circuit is battery powered.
We found this circuit in a 1992 publication, but for the components it uses, its assembly can...
We found this interesting configuration in a 1976 technical documentation. Equivalent diodes can...
The original application of this 1967 Ferranti circuit can be changed so that it functions as a pass...