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if u see the graph between output and input voltage..........
the graph will be linear for the saturation curve.........
the amplifier requires linear region of operation
i dont understand one thing here........ usually we bias an amplifier in the middle of the loadline for stability.... so isn't saturation point supposed to be one of the undesirable points for an amplifier........
i think shans60 meant saturation region........if it was saturation point then wat anand srinivasan said is right..................
there will be distorted output when we bias amplifier at the saturation point as the voltage will swing into triode region and saturation region back and forth............
sorry i didnt see the question properly..............
In saturation MOSFET behaves like a current source, while in linear region it behaves like resistance.
Point of saturation is not prefered for amplifier. If you swing input voltage just a little, MOSFET will go into linear region, and so on and so on...
For amplifier we use saturation region...
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