For JFET amplifier shown below, calculate $A_V$, $Z_i$, $Z

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For JFET amplifier shown below, calculate $A_V$, $Z_i$, $Z_o$.

written 7.3 years ago by

teamques10 ★ 65k

modified 19 months ago by

yashbeer ★ 11k

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written 7.3 years ago by

teamques10 ★ 65k

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Step 1 – Calculate $I_DQ$

$V_G = \frac{R_2}{( R_1+ R_2 )} x V_DD= \frac{110}{(910 + 110)} x 20$

∴ $V_G$ = 2.156 V

$R_S$ = 1.1k (given)

$V_S = I_DQx R_S = I_DQ $ x 1.1k

∴$V_GSQ = V_G - V_S = (2.156 - I_DQ1.1k) V$

Calculate $I_DQ$:

$I_DQ = …

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