Suggested by General Electric, this circuit with triac is able to reverse the rotation of a motor through a DC control signal. The circuit applies to AC servos.
This useful circuit is used to test the insulation of cables, appliances, leaks in high voltage...
This vibrato circuit was found in Motorola's 1966 documentation. The circuit uses transistors of the...
This circuit for analog TV was found in an American documentation from the 90s. The circuit uses an...