Based on the BA1404 integrated circuit, this circuit was found in the July 1992 issue of Radio Electronics magazine. The circuit is short range, but a power amplifier stage can be used.
This circuit for cars with fans was found in Silicon Chips documentation from the 90s. It is used...
This digital die circuit was found in an old European publication. The circuit is still viable due to...
This circuit that also has a Power On reset was obtained from a 2005 Linear Technology manual. The...