This crowbar circuit for alternating current causes a quick fuse to blow when the load current exceeds a certain value. The circuit is from an American 80's documentation.
This circuit is suitable for instrumentation applications having been found in an old French...
This circuit, with an operational amplifier, was found in the Motorola Dataar Linear of 1990. The...
This circuit has the intensity of the signals controlled by the light that falls on the sensor....