5.9.3 Part IV Low Frequency Response - FET Calculations L4_4

5.9.3 Part IV Low Frequency Response - FET Calculations...

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5.9.3 Part IV FET Common Source Amplifier Coupling & Bypass Capacitors
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3 ω L = R C1S C C1 R C2S C C2 R CSS C S 1 1 1 + + = f L We need to calculate R C1S , R C2S CSS
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4 Calculation of R C1S Set V i = 0 and short C C2 s Replace C C1 by V t t ; R C1S = V t / I t R C1S = V t / I t = R + R G1 || R G2
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5 Calculation of R C2S Set V i = 0 and short C C1 s Replace C C2 by V t t ; R C2S = V t / I t g m V gs = 0 open-circuit R C2S = V t / I t = R L = R D || r O
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6 Calculation of R CSS Set V i = 0 and short C
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5.9.3 Part IV Low Frequency Response - FET Calculations...

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