Hi, My nane is Simon,
I'm writing this post becouse I stack with my design.
I 'm designing the power supplay 30v 5 Amps output, standart input.It is bild with the PI Expert software symulation and exactly with the sme schematic. the problem is: bias capacitor isbraking down just after switching on the circut, so the power supplayer is not starting. The bias voltage is about 0.04 t0 0.1 volts. please help!"