(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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QI Design an operational amplifier circuit using two inverting configurations to produce the output given to you. Vo = + 5 V1 – 5 V2 - 0.5 V3 + 0.5 V4 - Choose feedback resistor R_f=150kQ for .each amplifier
(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.
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?
A non-inverting op-amp circuit has the open loop gain of 116 and the resistances R1=2400 n and R2 = 5.8 ka . Calculate (a) The actual value of voltage gain (b) Considering the finite open loop gain, the ideal value of gain (C) Error, when ideal voltage gain is compared with actual voltage gain (d) The percentage error, when ideal voltage gain is compared with actual voltage gain. (a) The actual value of voltage gain (b) The ideal value of voltage gain (c) Error, when ideal voltage gain is compared with actual voltage gain. (d) The percentage error, when ideal voltage gain is compared with actual voltage gain.
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?
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a) Design a non-inverting amplifier using an ideal op amp that has a gain 7.5. b) If you wish to amplify signals between -2V and 1.2V using the circuit you designed in part (a) what are the smallest power supply voltages you can use? c) Draw your final circuit diagram. d) Assume that the voltage signal source is vs = -1V and the feedback resistor Rf is replaced with a variable resistor. Specify the range of Rf (in kN ) which will cause the op amp to saturate?