440_hmk2 - ECE 440 Electronics II Homework #2 1. For the...

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ECE 440 – Electronics II Homework #2 1. For the differential amplifier shown below: a. What is the CMRR in dB? b. If v i1 = 10 sin t and v i2 = 0, what is v o ? c. If v i1 = 10 sin t + sin 1000t and v i2 = sin 1000t, what is v o ? 2. For the differential amplifier shown below both transistors have β = 150, find: a. The DC values of I c1 , I c2 , V ce1 , V ce2 b. A d , the difference mode gain c. A c , the common mode gain d. The CMRR in dB A d = 100 A c = 0.1 v i1 v i2 v o 15V -15V v i1 v i2 v o 10K ! 10K ! 20K !
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For the differential amplifier shown below both transistors have β = 150, find: a. The DC values of I c1 , I c2 , V ce1 , V ce2 b. A d , the difference mode gain c. A c , the common mode gain d. The CMRR in dB 4. For the differential amplifier shown below assume that both MOSFETs have K n = 0.4 mA/V 2 and V TN = 2V. a. If I D1 = I D2 = 0.5mA, and v o = 7V when v 1 = v 2 =0, find the values of I Q and R D . b.
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440_hmk2 - ECE 440 Electronics II Homework #2 1. For the...

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