Chapter 3: Q. 3.11 (page 67)
Calculate the slew rate and the rise time for an operational amplifier with an bandwidth in which the output changes by .
Rise time,
Slew rate,
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An operational amplifier with an open-loop gain of and an input resistance of is used in the voltage follower circuit of Figure 3-5. A voltage source is to be measured with a voltage of 2.0 V and a source resistance of . Find the percentage relative error in the follower output voltage due to (a) the finite gain of the amplifier and (b) the loading of the voltage source.
Carmen wants to tile the floor of his house. He will need 1,000 square feet of tile. He will do most of the floor with a tile that costs \(\$ 1.50\) per square foot, but also wants to use an accent tile that costs \(\$ 9.00\) per square foot. How many square feet of each tile should he plan to use if he wants the overall cost to be \(\$ 3\) per square foot?
An HPLC method was developed for the separation and determination of ibuprofen in rat plasma samples as part of a study of the time course of the drug in laboratory animals. Several standards were chromatographed and the following results obtained:
Next, a 10 mg/kg sample of ibuprofen was administered orally to a laboratory rat. Blood samples were drawn at various times after administration of the drug and subjected to HPLC analysis. The following results were obtained:
Find the concentration of ibuprofen in the blood plasma for each of the times given above and plot the concentration versus time. On a percentage basis, during what half-hour period (first, second, third, etc.) is most of the ibuprofen lost?
Design a circuit that will produce the following output:
3-7 In the following circuit, R is a variable resistor. Derive an equation that describes as a function of and the position of the movable contact of the voltage divider. Perform the derivation such that is zero if there is zero resistance in the feedback loop.
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