In the figure we have a way to obtain a 15 V symmetrical source with a 30 V single winding transformer. Other voltages can be obtained with lower voltage transformers and corresponding zener diodes.
![](/images/stories/cir/225212522023_164152_0001.gif)
In the figure we have a way to obtain a 15 V symmetrical source with a 30 V single winding transformer. Other voltages can be obtained with lower voltage transformers and corresponding zener diodes.