(b) Given the operational amplifier-based circuit below, and by assuming that Op-Amp is ideal, determine the expressions for the closed loop gain Avd and output voltage V. of the circuit, as a function of the inputs V₁ and resistors R (i=1,2,3 and 4), assuming R₁-2R, R2-4R and R³=R, R4=3R. + 1 R₂ R

(b) Given the operational amplifier-based circuit below, and by assuming that Op-Amp is ideal, determine the expressions for the closed loop gain Avd and output voltage V. of the circuit, as a function of the inputs V₁ and resistors R (i=1,2,3 and 4), assuming R₁-2R, R2-4R and R³=R, R4=3R. + 1 R₂ R

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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(a) Illustrate the difference between an operational amplifier's practical equivalent model and its ideal model and explain how to analyze an op-amp circuit using the ideal model. (b) Design a summing operational amplifier having the following channel gains: Channel 1: AvcL1 = -6 Channel 2: AvcL2 = -9 Channel 3: AVCL3 = -13 Use an external input resistor, R3 = 30KOhms for channel 3, +Vsupply = ±15 V and +Vsat = 13 V. Draw the circuit and label all components. Use standard resistance values.
A noninverting ampliﬁer is built with 0.01 percent precision resistors and designed with R2 = 99R1. What are the nominal and worst-case values of voltage gain if the op amp is ideal ? What open-loop gain is required for the op amp if the gain-error due to ﬁnite op amp gain is to be less than 0.01 percent?
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.)
OAP 2 ( (a) Design a circuit which provides a gain of -5 V/V for an input voltage source vs. You have an op-amp powered at VDD = +5 V and Vss = -5 V. Design your circuit such that 1 µA is drawn from the input vs when Vs = 200 mV. Include a drawing of the circuit and label all resistors that you use with their respective values. (b) What is the op-amp output voltage when vs = 200 mV? OAP 3 (a) Design a circuit that provides a gain of +10 V/V for an input signal vs. Use 100 kn as the smaller/smallest resistor value in your design. Include a drawing of the circuit and label all resistors that you use with their respective values. (b) Assume the op-amp is powered at VDD = +15 V and Vss = -15 V. At what positive and negative values of vs will the output vo be +/-15 V? (c) What will happen if the values of vs go beyond the values from (b)?
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
An op amp (20 dB drop in gain/decade), has an open-loop gain of 100 dB and a unity- gain frequency of 2 MHz. What is the open-loop bandwidth of the op amp?
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.
4. PD FB IN- 1 2 3 IN+ 4 8 VS+ 7 6 5 OUT NC VS- Using the Op-Amp diagram shown above, draw a line to create: 4.a. non-inverting amplifier 4.b. Inverting amplifier
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?
Q4: Consider the uA741C-based op-amp amplifier circuit shown below; The input voltage, Vi, is 2.5 volts. R2 is 5,000 ohms and RI is 1,000 ohms : R2 vo • What is the name of the circuit? • What is the value of the voltage at the negative input of the op-amp? • What is the value of the current through the 1 k2 resistor, in?
Consider the circuit with an ideal Op-Amp shown in the figure. RE R www ww Vout Vin -Vcc + VREF Assuming |VN|<< Vcc and VREF |<< Voc|, the condition at which Your equals to zero is www R +Vcc
Part A - Calculating the output voltage of a difference op-amp circuit Learning Goal: To analyze difference op-amp circuits. Before proceeding, review difference op-amp circuits and the For the circuit shown (Figure 1), determine Vo when R = 9,6 kN. R, = 40 kN. V. = 10 mV. V. = 40 mV. and Ve =5 V ideal op-amp assumptions. Express your answer to three significant figures and include the appropriate units. > View Available Hint(s) HẢ ? Vo = Value Units Submit Part B - Design of a difference op-amp circuit For the circuit shown (Figure 1), determine R1 such that Vo = m x (Vz - Vy) - Assume m = 4.5 and R2 = 30 kn and that the op-amp is in its linear region of operation. Figure Express your answer to three significant figures. > View Available Hint(s) R2 Πνα ΑΣφ It vec ? R1 R = -Vcc V. Submit Provide Feedback Next > Dearson