Figure shows an amplifier constructed from a field-effect transistor with mutual conductance g m = 2 ?

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Figure shows an amplifier constructed from a field-effect transistor with mutual conductance g_m = 2 ? 10^-3 S.

For small a.c. signals v_in calculate:

(i) The voltage gain of the amplifier;

(ii) The input impedance.

(The capacitors C₁ and C₂ can be assumed to have negligible a.c. impedances.)

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Physics by Example

ISBN: 978-0521445146

1st edition

Authors: W. G. Rees

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Question Posted: Aug 08, 2011 10:09 AM

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Figure shows an amplifier constructed from a field-effect transistor with mutual conductance g m = 2 ?

Question:

o 49 V нн Vin НH 4 мO 1 kn 3 к0

Step by Step Answer:

To a good approximation we can assume that the gate of the FET draws no current and that there is infinite impedance between the drain and the source ...View the full answer

Physics by Example

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