This old version of analogue switch was found in a 1969 documentation. Components of the time are used, with emphasis on the CAG7 integrated circuit. It is worth as a reference.
This surge test circuit was found in a 1980s ON Semiconductor documentation. The circuit makes use...
This is a rectifier for small intensity signals, and equivalent operational amplifiers can be...
This circuit is from a publication from the 60s. The transistors used are of the first commercial types,...