a. Using LTSpice, perform an AC analysis for different values of R to see how changing...
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a. Using LTSpice, perform an AC analysis for different values of R₂ to see how changing the closed-loop gain G of a noninverting amplifier (Fig. 6.7) affects its bandwidth (BW) (i.e., the range of frequencies over which the gain remains within 0.707 (3 dB) of its maximum value). Use 2 kQ for R, and the following values for R₂: (4xTN) k2, (6xTN) k2, (8×TN) k2, and (10xTN) k2, where TN stands for your table number in the lab. Use a frequency range from 1 Hz up to 10meg Hz. Measure the bandwidth for each value of resistance. b. Summarize your findings in a table showing the value of G and the corresponding bandwidth and their product (Gx BW) for each value of R2. c. Comment on the effect of increasing R₂, hence G, on the bandwidth. Also, comment on how the gain-bandwidth product (Gx BW) is affected. You need to include the circuit's schematic and the simulation results of your design in your assignment submission. To do that in LTspice, click on Tools >> Copy bitmap to Clipboard. Then paste the copied image in your Word document. R1 1k R2 V1 +VS U1 OP747 out AC 10 ac dec 100 1 10meg Figure 6.7 +VS V2 -VS 15 V3 0/0 15 a. Using LTSpice, perform an AC analysis for different values of R₂ to see how changing the closed-loop gain G of a noninverting amplifier (Fig. 6.7) affects its bandwidth (BW) (i.e., the range of frequencies over which the gain remains within 0.707 (3 dB) of its maximum value). Use 2 kQ for R, and the following values for R₂: (4xTN) k2, (6xTN) k2, (8×TN) k2, and (10xTN) k2, where TN stands for your table number in the lab. Use a frequency range from 1 Hz up to 10meg Hz. Measure the bandwidth for each value of resistance. b. Summarize your findings in a table showing the value of G and the corresponding bandwidth and their product (Gx BW) for each value of R2. c. Comment on the effect of increasing R₂, hence G, on the bandwidth. Also, comment on how the gain-bandwidth product (Gx BW) is affected. You need to include the circuit's schematic and the simulation results of your design in your assignment submission. To do that in LTspice, click on Tools >> Copy bitmap to Clipboard. Then paste the copied image in your Word document. R1 1k R2 V1 +VS U1 OP747 out AC 10 ac dec 100 1 10meg Figure 6.7 +VS V2 -VS 15 V3 0/0 15
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Microeconomics An Intuitive Approach with Calculus
ISBN: 978-0538453257
1st edition
Authors: Thomas Nechyba
Posted Date:
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