Question

Exercise 1: If the RF output voltage, vo, of a FET amplifier is represented by v = Cv + Cv + Cv, where the input voltage v = Acos(t), show that the gain of the amplifier, GNL, in decibels is given by Gvz(dB) = 10log(C + 0.75CA^2). Exercise 2: In Exercise 1, assume that C = 10, C = 0, and C = -1, and that the amplifier has input and output impedances of 50 Î©. Plot in the same graph (use Excel): (a) P vs Pin assuming the amplifier is linear (b) P vs Pin assuming the amplifier is non-linear (c) P^2 vs Pin (d) P vs Pin (e) Find IP3 (output). Use equations. Verify graphically (f) Find IP2 (output). Use equations. Verify graphically (g) Determine the 1-dB compression point. Use equations. Verify graphically.

          Exercise 1: If the RF output voltage, vo, of a FET amplifier is represented by v = Cv + Cv + Cv, where the input voltage v = Acos(t), show that the gain of the amplifier, GNL, in decibels is given by Gvz(dB) = 10log(C + 0.75CA^2).

Exercise 2: In Exercise 1, assume that C = 10, C = 0, and C = -1, and that the amplifier has input and output impedances of 50 Î©. Plot in the same graph (use Excel): 
(a) P vs Pin assuming the amplifier is linear 
(b) P vs Pin assuming the amplifier is non-linear 
(c) P^2 vs Pin 
(d) P vs Pin 
(e) Find IP3 (output). Use equations. Verify graphically 
(f) Find IP2 (output). Use equations. Verify graphically 
(g) Determine the 1-dB compression point. Use equations. Verify graphically.

exercise 1 if the rf output voltagevoof a fet amplifier is represented by vcvcvcv where the input voltage v acost show that the gain of the amplifier gnl in decibels is given by gvzdb10logc0 32656

Added by Daniel M.

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