The input signal given to a CE amplifier having a voltage gain of 150 is
V_{i} = 2\cos \left ( 15\:t+\frac{\pi }{3} \right ). The corresponding output signal will be :
 

Answers (1)
S safeer

Input signal of a CE amplifier, V_{i} = 2\cos \left ( 15\:t+\frac{\pi }{3} \right )

Voltage gain = 150

As CE amplifier give phase difference of \pi between input and output signals,

so A_{v} = \frac{V_{0}}{V_{i}} \Rightarrow V_{0} = A_{v}\cdot V_{i}

V_{0} = 150 \times 2\cos \left ( 15\:t+\frac{\pi }{3} + \pi \right )

V_{0} = 300\cos \left ( 15\:t+\frac{4\pi }{3} \right )

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