Quiz4 - And what is the expected bandwidth of this circuit?...

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Physics 2CL Summer II 2007 Name: Student ID: Section: Day____ Time ___ Quiz 4 Physics 2CL: Electricity, Magnetism, Waves, & Optics Laboratory 20 August 2007 Problem 1 [2 points] For the circuit depicted on the left, write the expression for gain (closed-loop) as a function of frequency and parameters . and , , fb in R C R ( 29 2 2 1 + = w C R R G in fb Problem 2 [2 points] For the circuit depicted on the left, assuming that the inductor has a value of about 140 mH and a resistance of about 160 O, what is the requisite capacitance for a center frequency of 5 kHz?
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Unformatted text preview: And what is the expected bandwidth of this circuit? 24 . 7 = C nF kHz Hz 1 1143 ≈ = ∆ w Extra Credit [1 point] Write the expression for impedance of a circuit having R,L, and C in series. Find the magnitude of the impedance. Assuming that the reactance of the circuit is 0 at resonance frequency, what is the imepedance? At infinitely high frequencies, what is the impedance? w w iC iL R Z 1 + + = R Z o = ) ( w ∞ → ∞ → ) ( w Z in fb Z Z G = w C i R Z R Z in in fb fb-= =...
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This note was uploaded on 05/22/2008 for the course PHYS 2CL taught by Professor Bodde during the Winter '08 term at UCSD.

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