This filter was found in an American publication from the 1980s. The circuit can be implemented with any operational amplifier. The power supply must be symmetrical.
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...