This is an improved circuit from the earlier version also found in the April 1972 Radio Electronics magazine. The power transistors must be provided with heat sinks.
This circuit is from 1998 documentation. The circuit uses the TDA2002 in a bridged configuration and...
April 2017 - Mouser Electronics is making available this new component for open LED protection...
This tri-state comparator was found in a circuit manual from the 1980s, but it can be easily...