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.
Found in European documentation from the 1980s, this circuit was originally designed for computer...
This circuit, from a 303 Circuits from the 90s, uses a telephone pickup coil as a sensor to...
This circuit allows to increase the output power of a 741 as an amplifier. The circuit is from a...