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prelab3

# prelab3 - A the phase shift ϕ in degrees and deduce values...

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ECE212L PRELAB #3 DUE: TUESDAY, SEPTEMBER 13, 2011 c R p C p + - V 1 ~ R c R p 1 + - V 2 ~ (a) (b) ω p j C R + - v (t) 1 + - v (t) 2 The above RC circuit and its corresponding phasor circuit use the following values measured with a precision RLC meter: C p = 68 nF, R p = 2 kΩ, R c = 5 kΩ, f = 1000 Hz, V 1 ,pp = 10 V. Assume that only the value of the calibrating (precision) resistor R c is known during the measure- ments and the values of the parallel elements R p and C p are unknown below. The following measurements are made: V 2 ,pp (V) 2.44 V 1 ,pp (V) 10.0 T ( µ s) 1000 | t | ( µ s) 90.9 (a) Compute the amplitude ratio
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Unformatted text preview: A , the phase shift ϕ in degrees, and deduce values of the parallel resistance R p and parallel capacitance C p using Equations (15) and (17) in the lab handout. (b) Determine the relative errors between your computed values using Equations (15) and (17) and the measured benchmark values using the RLC meter as: %∆ R p = | R p,computed-R p,measured | R p,measured × 100% (1) %∆ C p = | C p,computed-C p,measured | C p,measured × 100% (2)...
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