EE3110 MCT3 2008A_ANSr1

EE3110 MCT3 2008A_ANSr1 - b Low pass filters are best...

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EE31110 Analogue Electronic Circuits Name Student number v O v I R C 1) What is the frequency response of the op-amp integrator  shown above? ϖ ϖ (a) (b) ϖ ϖ (c) (d) ϖ (e) 2) What is the output voltage of the circuit shown below? +5 V V O - 3 V +2 V 4 7k 4 7k 4 7k 4 7k a) +4V b) –4V c) +8V d) –8V e) +12V 3) Which of the following transfer function has an all-pass  response? a) b as s d cs s s H + + + + = 2 2 ) ( b) b as s s H + + = 2 1 ) ( c) b as s s s H + + = 2 2 ) ( d) b as s s s H + + = 2 ) ( e) b as s b as s s H + + + - = 2 2 ) ( 4) What value of Q does a second order Butterworth response  have? a) 2 b) 2 2 c) 2 d) 2 1 e) Depends on filter response 5) What response do you think the following active filter has? a) low pass b) high pass c) all pass d) band stop e) band pass 6) Which statement is false for active filters? a) Band pass filters are best realised using negative  feedback topology
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Unformatted text preview: b) Low pass filters are best realised using positive feedback topology c) All pass filters have a specific phase response d) In filter design capacitors are chosen first because there are less values to choose from compared with resistors. e) Filters with a Butterworth response have a ripple in the pass band. 7) What is the pass-band gain for the following active filter transfer function? 2 2 2 1 2 2 ) ( 2 + + = s s s H a) 2 1 b) 1 c) 2 d) 2 e) 2 2 8) What is the pass-band gain for the following active filter transfer function? 2 2 2 2 ) ( 2 + + = s s s s H a) 2 1 b) 1 c) 2 d) 2 e) 2 2...
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This note was uploaded on 01/11/2011 for the course EE 3110 taught by Professor Wingshingchan during the Fall '08 term at City University of Hong Kong.

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EE3110 MCT3 2008A_ANSr1 - b Low pass filters are best...

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