• Adjust the vertical and horizontal scaling so that one cycle of the response is showing and is zoomed in so that the image fills a large part of the screen vertically. c. Measure the amplitude of the output voltage A₁ = The Vpp is displayed below the plot, and amplitude is half of Vpp • Or, use the cursors to measure the amplitude: Drag the line for cursor 2 (C2) from the left axis until the "+" sign is aligned with the peak of the CH 1 (blue) sine wave. Read the corresponding voltage for C2 (below the plot). d. Use the cursors to measure the time lag, AT, as you did in lab 7. dT= compute the phase lag. Phase lag, = degrees. 3. Determine the frequency response experimentally To use the method described in the background section, you must take amplitude and phase lag measurements at a number of input frequencies. Start by recording the AT and amplitude measurements for f = 1000 Hz measured in Step 3 into the table below. Note that | H(f)|=Ao/A₁ = A。 when A₁ = 1. Compute the log magnitude 20log | H(f)| and phase lag at for that frequency to complete the table. Normally, you would repeat the procedure done for f = 1000 Hz for a number of different frequencies. f(Hz) Phase 100 Magnitude Magnitude (dB) | ¢=
• Adjust the vertical and horizontal scaling so that one cycle of the response is showing and is zoomed in so that the image fills a large part of the screen vertically. c. Measure the amplitude of the output voltage A₁ = The Vpp is displayed below the plot, and amplitude is half of Vpp • Or, use the cursors to measure the amplitude: Drag the line for cursor 2 (C2) from the left axis until the "+" sign is aligned with the peak of the CH 1 (blue) sine wave. Read the corresponding voltage for C2 (below the plot). d. Use the cursors to measure the time lag, AT, as you did in lab 7. dT= compute the phase lag. Phase lag, = degrees. 3. Determine the frequency response experimentally To use the method described in the background section, you must take amplitude and phase lag measurements at a number of input frequencies. Start by recording the AT and amplitude measurements for f = 1000 Hz measured in Step 3 into the table below. Note that | H(f)|=Ao/A₁ = A。 when A₁ = 1. Compute the log magnitude 20log | H(f)| and phase lag at for that frequency to complete the table. Normally, you would repeat the procedure done for f = 1000 Hz for a number of different frequencies. f(Hz) Phase 100 Magnitude Magnitude (dB) | ¢=
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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