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 IR light sensor circuit was found in the July 1992 issue of Radio Electronics magazine. It is...
This circuit, which appears from other sources in this section, allows you to control a load...
The circuits shown by figure below are simple stages using JFETs. The gain are 25 and 150...