Lab6_RLC

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Wayne State University *

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215

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Electrical Engineering

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Dec 6, 2023

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docx

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EECS 215 Laboratory 6 –First and Second Order Circuits L ABORATORY 6 – F IRST AND S ECOND O RDER C IRCUITS Name: Section Number: Submission instructions: Use this document as your lab report template. Fill in the tables below as instructed, save as PDF, and submit the lab report with Gradescope one week after your 2 nd scheduled lab session (this is a 2-week lab). Laboratory 5 – First and Second Order Circuits 1 Parts List 1 1. Introduction and Non-ideal components 1 2. Laboratory: Part One - RC Circuit 2 3. Laboratory: Part Two - RL Circuit 4 4. Laboratory: Part Three - RLC Circuit 6 5. Laboratory: Part Four - RLC Circuit With a Potentiometer (POT) 8 Parts List 1. 68 Ω Resistor 2. 100 Ω Resistor 3. 5k Ω potentiometer 4. 100nF (0.1uF) Capacitor 5. 10nF (10000pF) Capacitor 6. 10mH Inductor 7. 1mH Inductor 1. I NTRODUCTION In this lab you will learn how to build simple first and second order circuits, while using your AD2 to record responses. Using those responses from your WaveForms application, you will then compare this to theory. This lab is designed to be completed in a two week period, so start early! 2. L ABORATORY : P ART O NE - RC C IRCUIT In this part of the lab, you will create a RC circuit, and run a simple square wave test on WaveForms. In order to complete this part of the lab, you will need: Page 1 of 11

EECS 215 Laboratory 6 –First and Second Order Circuits ● 68 Ω Resistor ● 100 nF Capacitor Figure 1: RC Circuit Schematic When building this circuit, place the resistor in series with the capacitor on your breadboard as seen in Figure 1. Then attach your AD2 kit to the circuit using the key shown in Figure 1. We want one of the Oscilloscope probes to measure the output of the circuit created, while the other is measuring the input. In this case, the input of the circuit is the waveform generator from the AD2. Do not forget to attach your 1- and 2- probes to ground (GND). Picture of Circuit {insert here} Save the data as “lab6_data1.csv” and upload it to Canvas. Once our circuit is built: 1. Open WaveForms 2. Open the waveform generator and the oscilloscope 3. We want our waveform generator to have the following parameters: a. Type: Square b. Frequency: 10 kHz c. Period: 100 us d. Amplitude: 1 V e. Offset: 0 , Symmetry: 50% , and Phase: 0% Page 2 of 11

EECS 215 Laboratory 6 –First and Second Order Circuits 4. Now make sure that your Channel 1 and Channel 2 are showing on the oscilloscope, and make sure they have the same range and offset. We want the input and output to be plotted on top of each other to see the effect the circuit has on the voltage output. 5. Once you have everything set up, Run All programs and put a screenshot of the oscilloscope here: Picture of Oscilloscope {insert here} Save the data as “lab6_data2.csv” and upload it to Canvas. 6. Next, solve for the capacitor voltage v C ( t ) as a response to a 1V step function. Type or write in the function in the space below. Next, plot both the measured result and the predicted response using Matlab or Python or any other software that you are comfortable with. Note that you will need to align the time axis so that the two steps line up at t=0 so you can compare the exponential responses. Include your plot below. Explain any differences. Function for V c (t) {insert here} Plot of Predicted and Measured Response {insert here} Explain any differences {insert here} 3. L ABORATORY : P ART T WO - RL C IRCUIT In this part of the lab, you will create a RL circuit, and run a simple square wave test on WaveForms. In order to complete this part of the lab, you will need: ● 68 Ω Resistor ● 10 mH Inductor (with label 103) Figure 2: RL Circuit Schematic When building this circuit, place the resistor in series with the Inductor on your breadboard as seen in Figure 2. Then attach your AD2 kit to the circuit using the key shown Page 3 of 11

EECS 215 Laboratory 6 –First and Second Order Circuits in Figure 2. We want one of the Oscilloscope probes to measure the output of the circuit created, while the other is measuring the input. In this case, the input of the circuit is the waveform generator from the AD2. Do not forget to attach your 1- and 2- probes to ground (GND). Picture of Circuit {insert here} Save the data as “lab6_data3.csv” and upload it to Canvas. Once our circuit is built: 1. Open WaveForms 2. Open the waveform generator and the oscilloscope 3. We want our waveform generator to have the following parameters: a. Type: Square b. Frequency: 1 kHz c. Period: 1 ms d. Amplitude: 1 V e. Offset: 1 V , Symmetry: 50% , and Phase: 0% 4. Now make sure that your Channel 1 and Channel 2 are showing on the oscilloscope, and make sure they have the same range and offset. We want the input and output to be plotted on top of each other to see the effect the circuit has on the voltage output. 5. Once you have everything set up, Run All programs and put a screenshot of the oscilloscope here: Picture of Oscilloscope {insert here} Save the data as “lab6_data4.csv” and upload it to Canvas. 6. Next, solve for the inductor voltage v L ( t ) as a response to a 1V step function. Type or write in the function in the space below. Next, plot both the measured result and the predicted response using Matlab, Python, or any software you are comfortable with. Note Page 4 of 11

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