We found this circuit in the 1990 Motorola Linear Databook. The circuit must use symmetric source and has 10times the voltage gain.
Mouser Electronics is now shipping DA14585, a kit for the development of voice remote control...
This full wave configuration using SCR was found in a 1992 documentation. The SCR must be equipped...
A touch of the X1 sensor causes the motor to be activated for a time that can be adjusted in P1....