This circuit was found in Delco documentation from 1965. The transistor is of the time, but any current power PNP with at least 500 mA collector current and 100 V collector voltage can be used.
This circuit was obtained in documentation on medical applications from 1966. The circuit is used in...
Found in an 80's Electronic Design, this circuit is based on the ICL7107 which is not an easy...
September 2017 - SparkFun offers through Mouser Electronics its protboard solderless board that...