N Channel Mosfet Band Diagram. As you can see in this graph unlike in the previous 3d n mosfet band diagram source is stopped only at top and drain is the same other place is the p type semiconductor. This is the mosfet this is the gate and this is the source and this is the drain and this is the p type silicon.
The electrostatic potential in the channel and therefore. The working principle of depletion mosfet is a little bit different from that of enhancement mosfet. Two highly doped n regions are diffused into a lightly doped p type substrate.
The electron energy in the channel.
But the channel between two n regions is absent in the enhancement type mosfet. A positive gate voltage will. If the mosfet is a p channel or pmos fet then the source and drain are p regions and the body is a n region. The source and drain are taken out through metallic contacts to n doped regions as shown in fig2 5.
