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 circuit was found in a 80s American documentation. The zener diodes determine the points of...
This circuit uses an old National Semiconductor operational amplifier, but it can be implemented with...
The oscillator shown in the figure can generate signals between approximately 3 and 15 MHz,...