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Assignment, Lab and Final
Assignment
Fourier Transform
- Work Exercises 33, 34, 41, 44, 46 and 48 from Chapter 18.
- Save all the work in HW8_StudentID and upload. Show all work for full credit
Lab
Fourier Transform
This week’s lab is based on the application of Fourier analysis of an RL circuit in Multisim.
- Watch video lecture entitled “Module 8 – Steady-State RL Circuit in Multisim”.
- Construct Figure 18.44 in Multisim with Vi(t) set to the pulse train as below.
- Run simulation to perform Fourier and Transient Analysis to measure the output voltage ‘Vc(t)’.
- Record the voltage ‘Vc (t)’ and the current ‘I’ through the capacitor in the table below.
- Take the screen capture for the measurements for ‘Vc (t)’ and line spectrum from Fourier analysis.
- Add 5% tolerances to resistor and inductor and repeat step 3.
- Answer the following questions:
- Explain the effect of tolerance on output voltage ‘Vc (t)’.
- Identify the frequencies and trace the frequency spectrum for the voltage ‘Vc (t)’.
- How does tolerance effect the frequencies in the spectrum and the output voltage? Explain with the help of measurement results and screenshots.
- Create a new word document called “Lab8_StudentID.docx” with your GID substituted into the file name.
- Save the simulation results from step 3 and 4 along with the table and screen captures of all the measurements. Make sure to answer the questions in step 5.
- Upload file “Lab8_StudentID.docx”.
Final
For the circuit below, perform the following:
- Given an AC input voltage of Vrms = 200Vrms and a sinusoidal frequency of omega = 120pi rad/sec, determine the following:
- V1peak (peak value of AC input voltage)
- V1(peak-to-Vpeak )(peak to peak value of AC input voltage)
- Frequency of input voltage V1 in Hz.
- V2peak (peak value of AC output voltage)
- V2(peak-to-Vpeak )(peak to peak value of AC output voltage)
- Frequency of output voltage V2 in Hz.
- Construct circuit in MultiSIM using calculated values for V1.
- Capture a screenshot that shows V1 and V2 on an oscilloscope XSC1.
- Submit calculations, MultSIM screenshot and MultiSIM circuit (.ms11) file
For the circuit below, perform the following:
- Given a voltage gain of -10, determine the value of R2.
- Calculate the peak-to-peak value of Vout and rms value of Vout.
- Construct circuit in MultiSIM with calculated value of R2.
- Capture a screenshot that shows the input voltage V1 and output voltage Vout in MultiSIM with an oscilloscope XSC1
- Submit calculations, MultSIM screenshot and MultiSIM circuit (.ms11) file