Multiple choice

A small signal source Vi = A cos 20 t + B sin 106 t is applied to a transistor amplifier as shown below. The transistor has $\beta$= 150 and hie = 3 $\Omega$. Which expression best approximate V0 (t)?

  1. V0 (t) = - 1500 (A cos 20 t + B sin 106 t)

  2. V0 (t) = - 150 (A cos 20 t + B sin 106 t)

  3. V0 (t) = - 1500 B sin 106 t

  4. V0 (t) = - 150 B sin 106 t
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D Correct answer
Explanation

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