Question

The circuit of Figure P10.20 is a source-follower amplifier. Let $K=30 \mathrm{mA} / \mathrm{V}^2, V_t=4 \mathrm{~V}$, and $v_G=9+0.1 \cos (500 t) \mathrm{V}$. a. Determine the source current $i_S$. b. Determine the output voltage $v_o$. c. Determine the voltage gain for the $\cos (500 t)$ signal. Determine the DC power consumption of the MOSFET and the 4-Ω d. resistor. Figure P10.20

   The circuit of Figure P10.20 is a source-follower amplifier. Let $K=30 \mathrm{mA} / \mathrm{V}^2, V_t=4 \mathrm{~V}$, and $v_G=9+0.1 \cos (500 t) \mathrm{V}$.
a. Determine the source current $i_S$.
b. Determine the output voltage $v_o$.
c. Determine the voltage gain for the $\cos (500 t)$ signal.
Determine the DC power consumption of the MOSFET and the 4-Ω
d. resistor.
Figure P10.20

Principles and Applications of Electrical Engineering

Giorgio Rizzoni,… 7th Edition

Chapter 10, Problem 20

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The circuit of Figure P10.20 is a source-follower amplifier. Let $K=30 \mathrm{mA} / \mathrm{V}^2, V_t=4 \mathrm{~V}$, and $v_G=9+0.1 \cos (500 t) \mathrm{V}$. a. Determine the source current $i_S$. b. Determine the output voltage $v_o$. c. Determine the voltage gain for the $\cos (500 t)$ signal. Determine the DC power consumption of the MOSFET and the 4-Ω d. resistor. Figure P10.20

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