In the VI characteristics of JFET When Vgs=0, 1..When we increases the Vds,Id is also increases.(width of deplation region cannot change ) In this case Vds and Id are proportional by ohms law. This is ohmic region 2.. but after a perticular pt. (Pich off voltage)When Vgs Is zero. Id=Idss and is constant (as Vds goes on Increasing Vgd set such width off deplation region to Id become constant) This is active region of JFET 3 but on further Increasing Vds , Id starts suddenly increase (breack down condition) What reason this should happen?
In the VI characteristics of JFET When Vgs=0, 1..When we increases the Vds,Id is also increases.(width of deplation region cannot change ) In this case Vds and Id are proportional by ohms law. This is ohmic region 2.. but after a perticular pt. (Pich off voltage)When Vgs Is zero. Id=Idss and is constant (as Vds goes on Increasing Vgd set such width off deplation region to Id become constant) This is active region of JFET 3 but on further Increasing Vds , Id starts suddenly increase (breack down condition) What reason this should happen?
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In the VI characteristics of JFET
When Vgs=0,
1..When we increases the Vds,Id is also increases.(width of deplation region cannot change )
In this case Vds and Id are proportional by ohms law.
This is ohmic region
2.. but after a perticular pt. (Pich off voltage)When Vgs Is zero. Id=Idss and is constant (as Vds goes on Increasing Vgd set such width off deplation region to Id become constant)
This is active region of JFET
3 but on further Increasing Vds , Id starts suddenly increase (breack down condition)
What reason this should happen?
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