This control for motors up to 1 A was found in a Siliconix documentation using its own component. The circuit is of the PWM type.
This filter was found in old Raytheon documentation. The circuit makes use of operationals of the time, but...
March 2017 - Mouser Electronics already has the new Toshiba TLP3306 photo-relay and optical...
This circuit was suggested by Popular Electronics from the 90s. The circuit is quite simple using...