Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Textbook Question
Chapter 19, Problem 5ST
The gain of the amplifier in Question 4 is
- -1
- -2.2
- -4
- unknown
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An amplifier circuit has an overall current gain of -100 and an input resistance
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In Basic electronics lab on summing amplifier Arifa is asked to give the circuit connectionaccording to figure below to make a three input summing amplifier. She uses IC 741 as OP-AMPand two power supplies to power up the IC. According to the instruction of his teacher she usesthree input such that ?1 = 2?, ?3 = −1? & set ?2 such that the output voltage ?0 = −16.5?.
A. What is the virtual ground of OP-AMP?B. Draw the equivalent circuit of OP-AMP and then simplify it for Ideal case.C. Determine the value of ?2 from the figure above for which ?0 = −16.5?.D. If the 50KΩ feedback resistor is replaced by a capacitor of 100uF what will be the outputvoltage after 1 second. Use the value of ?2 = 5 ???(200??)?�
The ------ amplifier configuration has the highest input resistance compared to the other configurations
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Chapter 19 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 19 - A comparator will have a positive output whenever...Ch. 19 - Prob. 2TFQCh. 19 - Prob. 3TFQCh. 19 - Prob. 4TFQCh. 19 - Prob. 5TFQCh. 19 - The output of a Wien-bridge oscillator is a...Ch. 19 - A Wien-bridge oscillator uses both positive and...Ch. 19 - A two-pole filter has a maximum roll-off rate of...Ch. 19 - Prob. 9TFQCh. 19 - Prob. 10TFQ
Ch. 19 - Prob. 1STCh. 19 - To use a comparator for zero-level detection, the...Ch. 19 - Prob. 3STCh. 19 - Prob. 4STCh. 19 - The gain of the amplifier in Question 4 is -1 -2.2...Ch. 19 - To convert a summing amplifier to an averaging...Ch. 19 - Prob. 7STCh. 19 - Prob. 8STCh. 19 - The feedback path in an op-amp differentiator...Ch. 19 - Prob. 10STCh. 19 - Prob. 11STCh. 19 - Prob. 12STCh. 19 - Determine the output level (maximum positive or...Ch. 19 - A certain op-amp has open-loop gain of 80,000. The...Ch. 19 - Prob. 3PCh. 19 - Determine the output voltage for each circuit in...Ch. 19 - Determine the following in Figure 19—62: VR1 and...Ch. 19 - Find the value of Rf necessary to produce an...Ch. 19 - Find the output voltage when the input voltages...Ch. 19 - Determine the values of the input resistors...Ch. 19 - Determine the rate of change of the output voltage...Ch. 19 - A triangular waveform is applied to the input of...Ch. 19 - Prob. 11PCh. 19 - Calculate the resonant frequency of a lead-lag...Ch. 19 - Determine the JFET drain-to-source resistance in...Ch. 19 - Explain the purpose of D1 in Figure 19-66.Ch. 19 - Find the frequency of oscillation for the...Ch. 19 - What type of signal does the circuit in Figure...Ch. 19 - Prob. 17PCh. 19 - Determine the number of poles in each active...Ch. 19 - Calculate the critical frequencies for the filters...Ch. 19 - Determine the bandwidth and center frequency of...Ch. 19 - Determine the output voltage for the series...Ch. 19 - If R3 in figure 19-70 is doubled, what happens to...Ch. 19 - Prob. 23PCh. 19 - A series voltage regulator with constant-current...Ch. 19 - If R4 (determined in Problem 24) is halved, what...Ch. 19 - In the shunt regulator of Figure 19-72, when the...Ch. 19 - Assume that IL remains constant and VIN increases...Ch. 19 - Open file P19-29; files are found at...Ch. 19 - Open file P19-30 and determine if there is a...
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What is a Power Amplifier, And Do I Need One?; Author: Sweetwater;https://www.youtube.com/watch?v=2wkmSm4V00M;License: Standard Youtube License