ELEC 312 Final 2016.pdf

# ELEC 312 Final 2016.pdf - Name Student ID ELEC 312 Final...

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Name: ________________________ ELEC 312 Final Fall 20 There are two parts to t questions, each worth 2 of 34 marks. Overall, the Part I: Multiple-choice q For each of the multiple table below. Marks are e for incorrect answers. Q1 Q2 Q6 Q7 Q11 Q12 1. Consider the filter be a) If ωRC >>1, the m b) If ωRC >>1, the m between input an c) If ωRC << 1, the m d) If ωRC >>1, the m between input an 2. Choose the bandpass a) b) _______________ Student ID: _____________________ 1 016 December 8, 2016 this test. Part I is multiple choice consis 2 marks. Part II is a long answer section he test is out of 64 marks. questions e choice questions, write your selected earned for correct answers. No marks a Q3 Q4 Q8 Q9 Q13 Q14 elow and choose the most accurate state magnitude of H(jω) ≈ 1 and the phase sh magnitude of H(jω) = 0.707 and the pha nd output. magnitude of H(jω) = ωRC and the phas magnitude of H(jω) = 1/ωRC and the ph nd output. s filter: c) d) ____________________ sting of 15 n worth a total answer in the are subtracted Q5 Q10 Q15 ement hift is 0°. ase shift is -45° se shift is +90° hase shift is -90°

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Name: ________________________ 3. Consider the parallel frequency of 1 Mrads/s a) C = 110 -2 F b) 4. Consider the followin If v id > 0 then: a) v O1 > v O2 b) 5) Due to manufacturin to infinity d) ΔR is reduced to z 6. An NMOS differential resistors of 50 kΩ is to b transistors have a lengt bias current I should be voltage of 0.2 V and thre a) 40 μA b) 80 μ _______________ Student ID: _____________________ 2 LRC network, if R = 1 kΩ. For a Q = 10 s, determine C. C = 10 -4 F c) C = 10 -8 F ng circuit: v O1 = v O2 c) v O1 < v O2 ng limits, the resistors may differ by an A real current source will h resistance of R SS which is no general a common-mode in a differential output, which This common-mode to diffe conversion can be reduced a) ΔR is reduced to zero b) R SS is raised to infinity c) ΔR is reduced to zero zero and R SS is raised to infinity l amplifier (like that in Question 4) load be designed to have a differential gain o th of 5 μm and an Early voltage (V A ’) of e what, assuming all transistors have an eshold voltage of 0.5 V? I = μA c) 200 μA d) 280 μA ____________________ and a natural d) C = 10 -10 F d) v O1 = v O2 = v S amount ΔR.

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