This circuit was found in an American 1980s documentation. It analyzes the exhaust gas of a vehicle using a special sensor. The indicator is a milliamperimeter.
This simple circuit that senses energy cables (alternating current) through the field produced was found...
This third-order filter was found in a 1975 publication. The circuit must be powered by a...
This circuit that also has a Power On reset was obtained from a 2005 Linear Technology manual. The...