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Draw small signal model of JFET and explain significance of each parameter
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written 7.3 years ago by
teamques10
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JFET Low Frequency ac Equivalent Circuit:
Fig. 5.7 shows the small signal low frequency ac equivalent circuit for n-channel JFET. The relation of $I_D$ by $V_GS$, is included as a current source $g_m$ $V_GS$, connected from drain to source.
The input impedance is represented by the open circuit at its …
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