This input circuit for an oscilloscope was found in Radio Electronics from the 90s. The operating circuit is from that time, and a modern equivalent can be tried out.
This circuit with the TDA3410 was found in the SGS manual from 1982. The circuit was used in car...
In the figure we have two simple configurations of voltage doublers. Resistors and diodes are...
This circuit, found in a 2000 documentation, is used in simple artificial intelligence and robotic...