The basis of this circuit is the 723 integrated circuit, not very common today. We obtained this circuit from old documentation, and the power transistor must be mounted on a heatsink.
![](/images/stories/cir/223512352023_164135_0001.png)
The basis of this circuit is the 723 integrated circuit, not very common today. We obtained this circuit from old documentation, and the power transistor must be mounted on a heatsink.