This 2002 documentation circuit is suitable for automotive use. The circuit is based on an integrated that is not common today and has a medium power stage with a BD135.
This 9-bit DAC circuit was found in the RCA CMOS integrated circuits manual of the 1970s. The...
This circuit, found in an American publication from the 1970s, produces an audible tone in a...
This simple battery charger circuit was found in a Radio Electronics from June 1959. The resistors...