Suggested by General Electric in a 1970 documentation, this circuit makes use of some components of the time, in the case of transistors. The circuit detects smoke by the transparency changing of the air.
This peak sensing and hold circuit was found in an old documentation. The circuit makes use of...
This circuit converts the voltage from a simple source into a symmetrical voltage. The circuit is from a...
This source is indicated for the supply of power amplifiers. The circuit is from 1999...