Found in a 1967 publication by General Electric, this control is intended for motors up to 2 A according to the SCR used. Higher current equivalent SCRs can be used.
This circuit uses BCD switches to program the frequency to be divided. The circuit is from a Radio...
This circuit is based on an old Texas Instruments' 80s integrated circuit. The integrated circuit is no...
The advantage of this circuit lies in the fact that it does not need a negative source to generate...