This circuit can be used with motors or resistive loads, such as heaters and incandescent lamps. The circuit is from Popular Electronics from the 90s. All components used are common.
This circuit is from a 70s linear integrated manual. The integrated circuit used is uncommon today...
This interesting circuit is suggested by National Semiconductor and is based on an LH0062...
We found this circuit in a 1988 publication. The power supply for the operator must be symmetrical and...