The design of flyback switching transformer and feedback control loop and the improvement of the circuit for considering electromagnetic compatibility are the critical technologies.
反激式开关变压器和反馈控制回路设计，以及考虑电磁兼容性对电路的改进，是其关键技术。
2
The auxiliary circuit is composed of an auxiliary switch, a coupled inductor (flyback transformer) and a feedback diode.
辅助电路由辅助开关管、耦合电感(反激变压器)和反馈二极管构成。
3
This USES local negative feedback to the screen grids of the output stage by means of a tapped output transformer primary.