Using only one integrated circuit this control was found in an 80's Electronic Engineering. The circuit has the drive's logic information and must be powered by an isolated power source.
The coil is formed by 70 + 5 turns of 6 to 30 AWG wire on a 1 cm to 10 cm ferrite core. The...
This circuit was found in a former Popular Electronics. The timing is given by R1 and C1, R4 and...
Found in the April 1995 issue of Electronics Now magazine, this circuit provides an output voltage...