This amplifier is from the Philips Databook of 1990. The circuit is suitable for automotive use and has the characteristics given in the table below the diagram.
The circuit presented was found in a Motorola documentation from 19761, but it can be assembled with a...
This simple bargraph photometer appeared in the November 1987 issue of Radio Electronics magazine. The...
This circuit, found in a 1964 US documentation, consists of a selective amplifier that lets only...