852024.fig.009a
(a)
852024.fig.009b
(b)
852024.fig.009c
(c)
852024.fig.009d
(d)
852024.fig.009e
(e)
852024.fig.009f
(f)
Figure 9: Harmonic spectrum of output voltage: (a) single side indirect; (b) double side indirect; (c) asymmetrical single side direct; (d) asymmetrical double side direct; (e) symmetrical single side direct; (f) symmetrical double side direct.