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Expt_11

# Expt_11 - Lab-in-a-Box Experiment 11 A Non-Inverting...

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Lab-in-a-Box Experiment 11: A Non-Inverting Amplifier Circuit Name: ______________________ Pledge: _____________________ ID: ______________________ Date: ______________________ Procedure Analysis: 1. Derive the input-to-output relationship of the amplifier circuit shown in Figure 1. Measurements: 2. Construct the non-inverting amplifier circuit shown in Figure 1. Be sure to connect the polarities of the ± 9 V power supplies correctly, and be sure that you only use two adjacent leads on the R 3 trim pot. 3. Measure the op amp input voltage on pin 2 of R 4 . Adjust R 4 until you get a 1.5 V input. 4. Adjust R 3 until you get an op amp output of 3.0 V. 5. Carefully remove R 3 from the circuit and measure the resistance between pins 1 and 2. Return the trim pot to the circuit. 6. Verify that the op amp input is still 1.5 V and that the output is still 3.0 V to assure that nothing changed during the measurement of the trim pot. If either has changed, repeat steps 3 through 5. 7. Calculate the gain, G, of the circuit from the results of step 1 using the data acquired in step 5. The careful student will measure R 1 . Compute the percent deviation of this result from the expected gain

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Expt_11 - Lab-in-a-Box Experiment 11 A Non-Inverting...

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