Found in a 1968 American documentation, this circuit uses an operational amplifier that is uncommon today. The feed must be symmetrical. The gain is 40 dB.
This circuit controls loads powered by the power grid, remembering that it is a half wave...
This circuit was found in an old Electronic Design. It makes use of sidacs and operational not very...
In the figure we have the way to compensate an operational amplifier. The circuit is valid for...