Source google image: http://4.bp.blogspot.com/_oS8MUvla_vg/SsPc3PXOJiI/AAAAAAAAABU/WrsX-QH2Xhs/s400/Fig1+Sch%C3%A9ma+%C3%A9lectrique.jpg
Schema electrique micro
Source google image: http://4.bp.blogspot.com/_oS8MUvla_vg/SsPc3PXOJiI/AAAAAAAAABU/WrsX-QH2Xhs/s400/Fig1+Sch%C3%A9ma+%C3%A9lectrique.jpg