23c Lab 7 report rubrics

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Broward College *

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314

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Electrical Engineering

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Dec 6, 2023

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2023 Fall EECS 314 Labs with AD2 and Keysight instruments Lab 7: Op Amps Rubrics for Lab 7 report Total, 199 points = 4.5% of 100% for the entire course ***got a new computer over the weekend and all of my files from my prelab were deleted (as they were saved on my old computer) so if the numbers on the tables do not match the numbers from the prelab screenshots, that is why*** ***also we accidentally used the 10kohm potentiometer so our data is skewed. I changed the calculated gains in this report to account for that*** At the beginning of each Part, include the circuit diagrams and sketches, which are provided in this file. In the report, include the Images, which you exported. Pre-Lab, total = 91 points Voltage follower (Lab 7 manual page 5) Image 7-1: the Voltage follower’s input and output sine waves, with their ratio and results of measurements; the output voltage is NOT distorted (3 points) © 2023 Alexander Ganago Page 1 of 26 Last printed 3/22/23 7:16:00 PM File: 23a Lab 7 report rubrics.docx
2023 Fall EECS 314 Labs with AD2 and Keysight instruments Lab 7: Op Amps (Lab 7 manual page 6) Image 7-2: the Voltage follower’s input and output sine waves, with their ratio and XY plot; the output voltage is GROSSLY distorted (3 points) (Lab 7 manual page 7) Image 7-3: the Voltage follower’s input and output sine waves, with their ratio and results of measurements; the output voltage is GROSSLY distorted (3 points) (Lab 7 manual page 7) Fill Table 7.1 (4 points) Table 7.1 Clipping of the buffer’s output waveform + ? cc ? 1 ?𝑎𝑥𝑖??? ? 2 ?𝑎𝑥𝑖??? ∆1 ? cc ? 1 ?𝑖?𝑖??? ? 2 ?𝑖?𝑖??? ∆2 4.5 3.8636 3.8636 0.6 -4.5 -4.03725 -2.59867 1.9 (Lab 7 manual page 8) Image 7-4: the magnitude of Voltage follower’s transfer function; the cursors are at a low frequency and at the cutoff frequency (3 points) © 2023 Alexander Ganago Page 2 of 26 Last printed 3/22/23 7:16:00 PM File: 23a Lab 7 report rubrics.docx
2023 Fall EECS 314 Labs with AD2 and Keysight instruments Lab 7: Op Amps (2 points) Explain how the XY plots reveal clipping of the output voltages. - Clipping occurs when the output voltage exceeds the range of the amplifier. In the XY plot, we can see a period of time when the plot is horizontal. This does not occur when there is no clipping, so therefore we know that there is clipping in Image 7-2 (5 points) Write a brief summary of what you learned about the voltage follower; what was expected and what surprised you. - This lab has helped me visualize clipping by being able to incrementally change the amplitude in the wavegen settings. It was cool to be able to mess around with different variables and see the output we get change. © 2023 Alexander Ganago Page 3 of 26 Last printed 3/22/23 7:16:00 PM File: 23a Lab 7 report rubrics.docx
2023 Fall EECS 314 Labs with AD2 and Keysight instruments Lab 7: Op Amps Non-inverting Amplifier with fixed gain (Lab 7 manual page 11) Image 7-5: the input and output sine waves of the Non-inverting amplifier, with XY plot (3 points) (Lab 7 manual page 11) Image 7-6: the input and output sine waves of the Non-inverting amplifier, with the results of automatic measurements (3 points) © 2023 Alexander Ganago Page 4 of 26 Last printed 3/22/23 7:16:00 PM File: 23a Lab 7 report rubrics.docx
2023 Fall EECS 314 Labs with AD2 and Keysight instruments Lab 7: Op Amps (Lab 7 manual page 12) Image 7-7: the input sine wave and clipped output wave of the Non-inverting amplifier, with XY plot (3 points) (Lab 7 manual page 12) Image 7-8: the input sine wave and clipped output wave of the Non-inverting amplifier, with the results of automatic measurements (3 points) © 2023 Alexander Ganago Page 5 of 26 Last printed 3/22/23 7:16:00 PM File: 23a Lab 7 report rubrics.docx
2023 Fall EECS 314 Labs with AD2 and Keysight instruments Lab 7: Op Amps (Lab 7 manual page 12) Fill Table 7.2 (4 points) Table 7.2 Clipping of the non-inverting amplifier’s output waveform + ? cc ? 1 ?𝑎𝑥𝑖??? ? 2 ?𝑎𝑥𝑖??? ∆1 ? cc ? 1 ?𝑖?𝑖??? ? 2 ?𝑖?𝑖??? ∆2 4.5 2.0146 3.3130 1.18 -4.5 -2.02364 -2.81817 1.6818 (Lab 7 manual page 16) Image 7-9: the magnitude of Non-inverting amplifier’s transfer function; the cursors are at a low frequency and at the cutoff frequency (3 points) Analyze your data on the Non-inverting amplifier: (3 points) 1. Calculate the gain as the ratio: from its value in dB at 2 kHz; compare with ?𝑎𝑖? = ? ??? ? 𝐼? the gain found in Images 7-5, 7-6 . (2 points) © 2023 Alexander Ganago Page 6 of 26 Last printed 3/22/23 7:16:00 PM File: 23a Lab 7 report rubrics.docx
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