Op amp lab viva questions. Although op amps must be powered to function properly, the power supplies are not always shown explicitly in circuit diagrams. What is called a differential amplifier? 3. To learn how an op-amp works, you can follow this op-amp circuit. Precision Rectifier Circuit Types Half Wave Precision Rectifier Circuit Design The above circuit shows a basic, half wave precision rectifier circuit with an LM358 Op-Amp and a 1n4148 diode. 2) The answers provide details like electrolytic capacitors being used for coupling, a function generator being the A portion of the amplifier output is feedback to the positive or non-inverting terminal of the op-amp through the voltage divider circuit, formed by the series combination of resistor and capacitor. 2 are the properties of an Ideal op-amp? Infinite input impedance Zero output impedance Here a common emitter amplifier is used in forward path followed by three sections of RC phase network in the reverse path with the output of the last section being returned to the input of the amplifier. It consists of an inverting amplifier element such as a transistor or op-amp with its output fed back to its input through a phase-shift network consisting of resistors and capacitors in a ladder network. The op-amp voltage comparator compares the magnitudes of two voltage inputs and determines which is the largest of the two. It explains that an op-amp integrator produces an output voltage proportional to the area under the input waveform over time. This creates a "virtual ground" and the output voltage is proportional to the sum of the input voltages. What is an Amplifier? An electronic device or electrical circuit that is used to boost (amplify) the power, voltage or current of an applied signal. in electronic analog computers. 2. Hey guys, Welcome to Solely Science In this video we will see the opamp interview /viva Operational Amplifier op amp Viva Interview Questions and Answers What is an op-amp? An operational amplifier is a direct coupled high-gain electronic amplifier with a differential input to which feedback is given to control its response characteristics at its single-ended output. Explain the Explore essential viva questions on operational amplifiers, covering characteristics, configurations, and applications for electronics students. 04K subscribers Subscribe Question Bank-16 Marks - Free download as Word Doc (. The name operational amplifier stems from its original Ec 3 Lab Viva Questions - Free download as Word Doc (. ============================= Thanks for WatchingPlease leav This document contains answers to viva voce questions for a Linear IC Applications lab at Bharat Institute of Engineering & Technology. What is the main difference between general amplifier and power amplifier? General amplifier can amplify voltage or current or both, but output power. Input Resistance “Ri” Q 1 what do you mean by operational –amplifier? AMPLIFIER VIVA Questions :- 1. The questions cover topics like the advantages of integrated circuits, popular IC packages, the characteristics and applications of operational amplifiers, instrumentation amplifiers, and voltage to current and current to voltage converters. The feedback signal in this circuit is connected to the non-inverting input terminal so that the op-amp is working as a non-inverting amplifier. The document contains questions and answers related to an electronics lab experiment. EC_Lab Manul With Viva Questions and Answers - Free download as Word Doc (. For a differentiator, the Wire up the full-wave rectifier circuit shown in the figure and verify its operation with a sinusoidal input voltage (1 V peak, frequency ranging from 100 Hz to 5 kHz). It produces a square wave at its output. What is an op-amp? Ans. It has high gain and can be used as a comparator by comparing input voltages. 15 GB of storage, less spam, and mobile access. This document contains model questions and answers related to the measurement of operational amplifier (op-amp) characteristics. Additionally, it addresses the effects of noise and input impedance on circuit performance. Therefore, the feedback network need not provide any phase shift. Since the op-amp is assumed to be an ideal one the input bias current is zero and hence the non -inverting input terminal is at ground potential. The AIM: Design and realize Inverting and Non-inverting amplifier using 741 Op-amp. Field Effect Transistors-Single stage Common source FET amplifier –plot of gain in dB Vs frequency, measurement of, bandwidth, input impedance, maximum signal handling capacity (MSHC) of an amplifier. The questions cover topics such as operational amplifiers, applications of operational amplifiers, analog multipliers and phase locked loops, analog to digital and digital to analog converters, and waveform generators and special function ICs. Input Resistance “Ri” Q 1 what do you mean by operational –amplifier? Jan 29, 2019 · What is an op-amp? An operational amplifier is a direct coupled high-gain electronic amplifier with a differential input to which feedback is given to control its response characteristics at its single-ended output. - A monostable multivibrator has only one stable state and is used to generate pulses of a set duration determined by external RC components. 1608625267-viva-questions-operation-amplifier (1) - Free download as PDF File (. In an adder circuit, input signals are applied through resistors to the inverting and non-inverting terminals, with the non-inverting terminal grounded. Observe the waveform V o(t) ′ at the output terminal of the op amp and comment on whether the op amp is working in the linear or saturation region. Some of The document describes how to design an integrator and differentiator circuit using an op-amp. This document provides important questions from five units of the EC 6404 - LINEAR INTEGRATED CIRCUITS course for university exam preparation. doc), PDF File (. Join this channel to get access to perks:more The document provides questions and answers related to linear integrated circuits lab. Each of the three RC networks in the feedback loop can provide a maximum phase shift Operational Amplifiers Interview Questions and Answers - 1. What is the difference between analog filter and digital filter? Ans: Analog filter has less performance whereas digital filters have better performance. power amplifier can increase the output power. Originally, op-amps were so named because they were used to model the basic mathematical operations of addition, subtraction, integration, differentiation, etc. Digital filters are used in DIP applications. We collected detailed questions and answers which will help you succeed in your exam. An operational amplifier (op-amp) is an analog integrated circuit that can be used to perform mathematical operations such as integration and differentiation. 3. The questions are grouped into topics like semiconductor diodes and Zener diodes, transistor characteristics for common-base, common-emitter and common-collector configurations, field effect transistors, unijunction transistors, and thyristors including SCR, DIAC and TRIAC. RC phase-shift oscillator is a linear electronic oscillator circuit that produces a sine wave output. Applications of Op-amp- Op-amp as summing amplifier, Difference amplifier, Integrator and differentiator. Practice deriving your circuit equations on three Operational Amplifier (Op-Amp) circuit configuration examples. 1) The questions cover topics like the types of capacitors and transistors used, measurement of AC power output, determining the Q factor of an inductor, and pin configurations of breadboards. This document provides 50 questions and answers related to electronics system design lab viva questions. Op-amp A1 functions as a comparator and the op-amp A2 as an integrator. As there is a lead-lag circuit, the circuit doesn't provide any phase shift at Oscillating frequency, So non-inverting Amplifier is used. Operational Amplifier Characteristics The section contains MCQs on integrated circuit package type, pin configuration, data sheets interpreting, ideal operational amplifier, open loop op-amp configuration, block diagram representation, voltage series and shunt feedback amplifiers, differential amplifiers with multiple op-amp. What is called a differential amplifier? This document contains 19 multiple choice questions about operational amplifiers that are often asked in linear integrated circuits lab viva exams. The output saturation voltages are about 2V below the magnitudes of the dc power supply levels. docx), PDF File (. pdf), Text File (. - Multivibrators find Wien bridge oscillator is an audio frequency sine wave oscillator of high stability and simplicity. Comparator compares the voltage at point P continuously with respect to the voltage at the inverting input; which as at ground potential. It covers topics such as the ideal characteristics of op-amps, features of IC 741, input and output parameters, op-amp configurations like inverting and non-inverting amplifiers, comparators and Schmitt triggers. Mention some of the linear applications of op–amps? Ans: Adder, subtractor, voltage –to- current converter, current –to- voltage converters, instrumentation amplifier, filter etc. Apparatus Required: Bread Board, 741 IC, ±12V supply, Resistors and connecting leads. What do you mean by feedback and what are the types of feedback? What is a system? Get Operational Amplifiers Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. It begins by defining some key terms like instrumentation amplifier, modulation, amplitude modulation (AM), frequency modulation (FM), the purpose of a data modem, ZigBee, printed circuit board (PCB), voltage regulator, silicon controlled rectifier (SCR), microprocessor, microcontroller 1. When the voltage at P goes slightly below zero, the output of A1 will switch to negative saturation Gmail is email that's intuitive, efficient, and useful. It covers fundamental concepts such as ideal characteristics, circuit functions, output formulas, and the importance of feedback and resistor matching. The circuit can be viewed as a Wien bridge with a series combination of R1 and C1 in Many op amps, including the 741 op amp used in this lab, require both a positive and negative power supply. This document outlines the syllabus for the course EC6404 - Linear Integrated Circuits. doc / . The document is a lab manual describing experiments on electronic circuits and logic design. The document contains 65 questions related to electronic circuits and logic design. VIVA Questions: WINDOW COMPARATOR 1 is an op-amp? An operational amplifier is a direct coupled high-gain electronic amplifier with a differential input to which feedback is given to control its response characteristics at its single-ended output. Why is the operational amplifier called by its name? Op-amp stands for operational amplifier. This document contains questions and answers about different types of multivibrators: - An astable multivibrator continuously switches between two states without a stable resting point. Download these Free Operational Amplifiers MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Operational Amplifiers Questions and Answers for Viva Frequently asked questions and answers of Operational Amplifiers in Analog Electronics of Electronics Engineering to enhance your skills, knowledge on the selected topic. PRE LAB VIVA QUESTIONS: What are the Open loop and closed loop control systems? Give the advantages of closed loop control systems. Download Operational Model Viva Questions for “Analog Electronics” Common to: ET&T IV SEM Title of the Practical: Measurement of Different Characteristics of an OP-AMP Loop configuration (a) Output resistance “Ro” (b) Diff. In this sense a true operational amplifier is an ideal circuit element. The op-amp consists of Abstract: This Lab assignment was designed to help learn and check my knowledge of Open loop and Closed-loop op-amp circuits. An ideal op-amp integrator uses a capacitor between the output and inverting input, which ensures the inverting input is held at virtual ground. The name operational amplifier stems from its original VIVA Questions: 1. We have compiled the best Operational Amplifiers Interview question and answer, trivia quiz, mcq questions, viva question, quizzes to prepare. It discusses topics like ideal op-amp characteristics, features of the IC 741 op-amp, definitions of terms like input offset voltage and input resistance, open and An operational amplifier, abbreviated as op-amp, is basically a multi-st= age, very high gain, direct-coupled, negative feedback a mplifier that uses = voltage shunt feedback to provide a If we give the sinusoidal input in differentiator we will get the output of differe ntiator as a square OpAmp lab questions and solutions Video shows the basics of OpAmp that every physics student needs to know. It begins with an introduction and lists 13 experiments conducted in the lab including inverting/non-inverting amplifiers, adders/subtractors, comparators, filters, waveform generators, and voltage regulators. In a subtractor circuit, input signals can be scaled by selecting appropriate The document provides a series of questions and answers regarding operational amplifiers (Op-Amps), specifically their use as adders and subtractors. Learn through hands-on Op-Amp practice problems, the golden rules and get a more intuitive feel for how Op-Amps work mathematically. Another portion of the output is feedback to the negative or inverting terminal of the op-amp, through the impedance of 2R magnitude. Give the formula for cutoff frequency for the low pass filter? Ans: F h = 1/ 2π RC. Q: Define resistor, capacitor, and inductor. Let R1= 1k, Rf = 10 * R1 = 10 * 1k = 10k. As op-amp is operated in the non-inverting configuration the voltage gain is shown below, V o u t V i n = 1 + R 3 R 4 = 3 V inV out = 1+ R4R3 = 3 Solved Examples on Wien Bridge Oscillator This document provides 34 questions and answers related to viva voce exams for an Electronic Device and Circuits lab. Jun 6, 2023 · Are you preparing for an upcoming discussion or interview on op amps? This comprehensive guide aims to equip you with the knowledge you need to confidently address op amp viva questions and op amp interview questions. Explain what is an operational amplifier? An operational amplifier, abbreviated as op-amp, is basically a multi-stage, very high gain, direct-coupled, negative feedback amplifier that uses volta… Operational Amplifiers Interview Questions and Answers - 1. Why can’t This document contains 35 questions and answers about analog electronics and operational amplifiers. Some of the questions ask about key concepts like the knee voltage of a diode, VI characteristics of PN junction diodes, the difference between static and dynamic resistance of a diode Analog Electronics Lab Viva Questions With Answers Ace Your Analog Electronics Lab Viva: Conquer Your Fears with These Essential Questions and Answers Are you dreading your upcoming analog electronics lab viva? The pressure to recall intricate circuits, explain complex concepts, and answer insightful questions can be overwhelming. It is divided into 5 units that cover various topics related to operational amplifiers, their applications, analog multipliers and PLLs, analog to digital and digital to analog converters The following are some of the frequently asked questions for Viva on Operational Amplifier: What is an Op-Amp? What are some of it’s… Electronics questions and answers section on "Operational Amplifiers" for placement interviews and competitive exams: Fully solved Electronics problems with detailed answer descriptions and explanations are given for the "Operational Amplifiers" section. Introduction to Electrical Lab to Know Different Components Q: What are the basic components used in an electrical circuit? A: Resistors, capacitors, inductors, switches, fuses, wires, and power supplies. THEORY: INVERTING AMPLIFIER: A typical inverting amplifier with input resistor R1and a feedback resistor Rf is shown in the figure. Triangular-wave oscillator This circuit (figure 2) uses two operational amplifiers. The phase shift Ф is given by each RC section Ф=tanˉ1 (1/ωrc). It then provides detailed answers to 12 questions Model Viva Questions for “Analog Electronics” Common to: ET&T IV SEM Title of the Practical: Measurement of Different Characteristics of an OP-AMP Loop configuration (a) Output resistance “Ro” (b) Diff. In practice R-value is adjusted such that Ф becomes 60 ̊. Analog Electronics Viva - Free download as PDF File (. txt) or read online for free. Click on the above links to download Pdf Document 2) Basic Electronics Lab (BE Lab) Topics: Semiconductors, Diodes, Rectifiers, BJT, FET, Oscillators, OP-Amps Click on the above links to download Pdf Document 3) Electronics Engineering (EE) Lab Topics: Semiconductors, Diodes, Rectifiers, BJT, FET, Oscillators, OP-Amps Click on the above links The op-amp can be used as an adder or subtractor circuit. Join this channel to get access to perks:more Mention some of the linear applications of op–amps? Ans: Adder, subtractor, voltage –to- current converter, current –to- voltage converters, instrumentation amplifier, filter etc. Viva Questions with Answers – Electrical and Electronics Lab 1. Some key topics covered include: - The ideal characteristics of operational amplifiers - Why differential amplifiers are used as op-amp input stages - What operational amplifiers refer to and examples of their linear and non-linear applications - Components of 555 timer circuits and their applications VIVA Questions of RC Differentiator and Integrator: This section addresses fundamental questions and answers regarding RC differentiators and integrators, detailing their functions, applications, and related concepts. Integrated circuits like 555 timers and 723 regulators are also discussed along This video covers the most important questions of op-amp amplifier, its applications. Operational Amplifier Viva Interview Questions and Answers: Offers a comprehensive collection of interview questions and answers related to operational amplifiers. It includes instructions for designing and testing several types of clipping and clamping circuits using diodes, including positive clippers that clip What are the ideal Characteristics of an OP-AMP ? Explain the concept of virtual ground? What are the internal stages in an OP-AMP IC ? What type of transistor Configuration is used at the front end of an OP-AMP IC ? Draw the circuit diagram of an integrator and a differentiator using an OP-AMP ? Why square wave is used to test any amplifier ? This video covers the most important questions of op-amp amplifier, its applications. There are circuits that have faults that must be diagnosed to find the fault. . What is called a differential This video covers the most important questions of op-amp amplifier, its construction and working. ADE VIVA QUESTIONS 1. Operational Amplifier op amp Viva Interview Questions and Answers What is an op-amp? An operational amplifier is a direct coupled high-gain electronic amplifier with a differential input to which feedback is given to control its response characteristics at its single-ended output. 1608625267-viva-questions-operation-amplifier (1) - Free download as PDF File (. Important Viva Questions on INVERTING AMPLIFIER using OP- Amplifier| BS physics | Viva voce skillsquid learning 1. rjrev, nymaib, adkms, dz3rmw, ti3u8, yadnsd, wxyk, k15jc, 2ekmx, 9naba,