P13.34.The circuit shown in FigureP13.34 □ employs negative feedback.Use the summing-point constraint (for both op amps) to deriveexpressions for the voltage gains A₁=Vol/Vin and A2 = Vo2/VinFigure P13.34VinR4R4Rwww+HI-O+RVolRww+V02

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Answered: P13.34. The circuit shown in…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Consider the op-amp circuit shown below. You can assume the op-amp is ideal and has an infinite gain. R, R, ovo a. What is the value of ig? A (Give your answer to 3 s.f.) b. What is the value of the inverting input voltage v1? 数字 A (Give your answer to 3 s.f.) c. Using Kirchoffs Current Law (KCL), write an equation for the output voltage vo in terms of only the input voltage v a and the values of the resistances. You are not required to submit this equation as a part of this quiz but you will need the equation in the following questions. d. Given R2 = 10.4 kN, find the value of R¡ to give a gain of -55.5. 数字单位 (Give your answer to 3 s.f.) e. Given R1 = 4 kn and R, = 11.1 ka, find the value of the gain. 数字 (Give your answer to 3 s.f.)
Analyze the ideal-op-amp circuit shown in FigureP13.21 to find an expression for vo in terms of vA, vB and the resistance values.
Describe the respective frequency responses of inverting and non-inverting Op Amps
The ideal op-amps depicted can swing rail-to-rail at output, and Vcc= 13 V. Initially, the output voltage Vo = +13 V and the input voltage is vS = -13 V. The feedback resistors are R1 = 6.4 k0, R2 = 8.5 kQ, and R3 = 1.6 KQ. If the input voltage is gradually increased, at what value of vS (to 1% accuracy) does the output voltage (Vo) change to Vo=-Vcc? VVV vS = + R10 Vcc -Vcc R20 04 O Vo
2. One of the earliest uses of operational amplifiers (OPAMPS) is to perform mathematical operations on analog signals. Of the two OPAMP circuits shown below, one of them is known as an analog differentiator while the other an analog integrator. Analyse these circuits to discover why by finding an equation for their output VOUT in terms of their time-varying input VIN(t). (You may assume the OPAMPS are ideal.) VIN(t) RF Circuit A ☑ RF VOUT VIN(t) Circuit B VOUT
TRUE OR FALSE1. Due to the infinite open-loop volatge gain of an ideal op-amp, its diferrential input voltage should approach zero for the output voltage to be finite.2. An op-amp is a voltage amplifier circuit with very high gain, very high input resistance, and a very high output resistance.3. The input resistance of an ideal op-amp is infinite resulting to the simplifying condition that the voltage at the non-inverting input is essentially equal to the voltage at the inverting input.4. For an op-amp differentiator circuit, if the input voltage is a sine wave then the output is also a sine wave that is in-phase with the input.5. The gain of a non-inverting amplifier can be adjusted to values less than 1 or greater than 1 by using appropriate values of the external resistors.
1. The upper critical frequency of an op-amp's open-loop response is 200 Hz. If the midrange gain is 175,000, answer the following: a. What is the ideal gain at 200 Hz? b. What is the actual gain? c. What is the op-amp's open-loop bandwidth? 4 (Ctrl) - 44
4- Consider an OP amp connected to the inverting configuration to realize a closed-loop gain of -50 V/V utilizing resistors o f 1 k2 and 50 kN. A load resistance RL is connected from the output to ground, and a low-frequency sine wave signal of peak amplitude Vp is applied to the input. Let the OP amp be ideal except that its output voltage saturates at +/- 10V and its output current is limited to the range +/-15 mA. For RL = 1 kQ, what is the maximum possible value of Vp while an undistorted output sinusoid is obtained?
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2. Suppose we have an op-amp that is powered by a ±15 V supply (assume Vout max is ±14V), and has a maximum output current of 50 mA. The maximum slew rate of the op amp is 107 V/s. In the circuit below where Vin=5sin(100t). a. What would the output voltage Vout be if the op amp were ideal? b. Compute and draw the actual output voltage if a load resistor of Rload=100 N is attached to Vout. Vin ww 1 ΚΩ ww 4 ΚΩ + +15V Op-Amp -15V Vout

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P13.34. The circuit shown in FigureP13.34 □ employs negative feedback. Use the summing-point constraint (for both op amps) to derive expressions for the voltage gains A₁ = Vol/Vin and A2 = Vo2/Vin Figure P13.34 Vin R 4R 4R www + HI -O+ R Vol R ww + V02