07W-midterm-sol

07W-midterm-sol - ECE65 (Winter 2007), Midterm Name: Notes:...

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ECE65 (Winter 2007), Midterm Name: Notes: 1. Write your answers on these three sheets. 2. For each problem, 20% of points are alloacted for the correct ±nal answer. 3. Use the following information in solving or designing circuits: OpAmps are powered by ± 15 V power supplies (power supplies not shown), have a unity-gain bandwidth of 10 6 Hz, a short-circuit current limit (maximum output current limit) of 250 mA, and a slew rate of 1 V/ μ s. In circuit design, use commercial resistor and capacitor values of 1, 1.1, 1.2, 1.3, 1.5, 1.6, 1.8, 2, 2.2, 2.4, 2.7, 3., 3.3, 3.6, 3.9, 4.3, 4.7, 5.1, 5.6, 6.2, 6.8, 7.5, 8.2, 9.1 ( × 10 n where n is an integer). You can also use 5 mH inductors. Problem 1. Design a circuit with a transfer function of H ( ) = 1 1 - j 10 5 and a minimum input impedance of 10 kΩ. (10pts) The transfer function is for a ±rst-order high-pass ±lter with ω c = 10 5 rad/s. Since K = 1, we can (and should) use a passive ±lter. Prototype of the circuit is shown below
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07W-midterm-sol - ECE65 (Winter 2007), Midterm Name: Notes:...

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