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*13.46. (a) Draw the differential-mode and common-mode half-circuits for the differential amplifier in Fig. P13.46. . (b) Use the half-circuits to find the Q-points, differential-mode gain, common-mode gain, and differential-mode input resistance for the amplifier if β0 = 150, VCC = 20 V, VEE = 20 V, REE = 100 kΩ, R1 = 1.6 kΩ, and RC = 100 kΩ.

*13.46. (a) Draw the differential-mode and common-mode half-circuits for the differential amplifier in Fig. P13.46. . (b) Use the half-circuits to find the Q-points, differential-mode gain, common-mode gain, and differential-mode input resistance for the amplifier if β0 = 150, VCC = 20 V, VEE = 20 V, REE = 100 kΩ, R1 = 1.6 kΩ, and RC = 100 kΩ.

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*13.46. (a) Draw the differential-mode and common-mode half-circuits for the differential amplifier in Fig. P13.46.. (b) Use the half-circuits to find the Q-points, differential-mode gain, common-mode gain, and differentialmode input resistance for the amplifier if β 0 = 150 , V C C = 20 V , V E E = 20 V , R E E = 100 k Ω , R 1 = 1.6 k Ω , and R C = 100 k Ω .

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The differential amplifier above has the following parameters: βo = 150, VCC = 5 V, VEE = 5 V, VBE−on = 0.7 V, REE = 20 kΩ, R1 = 3 kΩ, and RC = 20 kΩ. v1 and v2 are purely AC signals with 0 DC voltage. Determine the following: (a) The DC Q-points for Q1 and Q2. [4 pt. (b) Draw the differential-mode and common-mode AC equivalent half-circuits for the differential amplifier. [ 6 pt. ] (c) What is the differential-mode gain (Add) ? [4 pt. ] (d) What is the common-mode gain (Acm)? [4 pt.] (e) What is the CMRR? [4 pt.] (f) What is the differential-mode input resistance? [4 pt.] (g) What is the common-mode input resistance? [4 pt.]

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