Which of the following circuit conditions affect(s) the output offset voltage of an op-amp? C. 795mV. 14. Operational Amplifier Operational Amplifier. The input impedance of the circuit is increased over that of the op-amp alone. c. Both an input offset voltage, VIO and an input offset current, IIO. The tail current in a differential amplifier equals _____? amplified) by the differential amplifier gain A d. An IC unit containing a differential amplifier built using opposite-type MOSFET transistors is referred to as a ________ circuit. Leave a Reply Cancel reply. 0. At what input voltage level does the output voltage level become numerically equal to the value of the differential gain of the amplifier? Choose the letter of the best answer in each questions. What is the level of the roll-off in most op-amps? 22. 24. 26 december 2016 Basic electronic past papers Quiz; 12 july 2016 Basic electronic past papers Quiz; 15 june 2015 Basic electronic past papers Quiz; Floyd book Mcqs. Home; Programs. A differential amplifier, amplifies. For an op-amp having a slew rate SR = 5 V/ms, what is the maximum closed-loop voltage gain that can be used when the input signal varies by 0.2 V in 10 ms? 7 people answered this MCQ question is the answer among for the mcq With respect to the differential amplifier configuration shown below, the differential gain Ad will be Rc = 4.7 KΩRE = 2.7 KΩhfe = 100hie = 1 KΩRS = 100 Ω BJT Circuits (MCQs of Moderate Complexity) 1. 27. 20. In a differential connection, the signals that are opposite at the inputs are ________ amplified, and those that are common to the two inputs are ________ amplified. Mcqs. 13. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 17. 25. This is the Multiple Choice Questions in Operational Amplifiers from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad. 1. Practice it now to sharpen your concept. The main feature of the differential amplifier is the ________ gain when opposite signals are applied to the inputs as compared to the ________ gain resulting from common inputs. 26. 3. 4. The tail current of a differential amplifier is ___. A. Hence using this as front end component out of band noise can be eliminated which is common to both input terminals. The node voltage at … 7. a. Differential amplifier BJT. Based on the methods of providing input and taking output, differential amplifiers can have four different configurations as below. - A. difference between two emitter currents B. sum of two emitter currents C. collector current divided by current gain D. collector voltage divided by collector resistance Submitted by: Ali Uppal Home » Electronics » Questions and Answers » Boylestad Questions and Answers ». An operational amplifier has a _______ input impedance and a _______ output impedance. 13. B. What is the slew rate of an op-amp if the output voltages change from 2 V to 3 V in 0.2 ms? An IC unit made using both _______ and _______ transistors is called a _______ circuit. Differential amplifier amplifies the difference between two voltages, making this type of operational amplifier circuit a sub tractor unlike a summing amplifier which adds or sums together the input voltages. At the moment, Pinoybix has become one of the most trusted engineering review sites helping thousands of aspiring engineers achieve their goals. 7. Electrical Engineering MCQ1 Voltage Gain and BW of Ideal Op Amp MCQ2 The output impedance of ideal op-amp […] The external interference can be reduced with the help of a differential amplifier. What is the difference output voltage of any signals applied to the input terminals? Dual Input Unbalanced Output 4. Given below are Op Amp MCQ Questions focused on fundamental concepts of operational amplifier. This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Ideal Operational Amplifier”. 5. and mathematically differentiates the average of the voltages on the two input lines. Differential amplifier is a combination of inverting and noninverting amplifiers and amplifies the voltage difference between input lines neither of which is grounded. The ________ amplifier is the most widely used constant-gain amplifier circuit. and differentiates the input waveform on one line when the other line is grounded. 19. In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db & 2db respectively, then its common mode rejection ratio is_____? Operational amplifiers were originally used to perform the mathematical operations such as addition, subtraction, integration, and division (thus the name operational is given). If you are looking for a reviewer in Electronics Engineering this will definitely help. Feedback loop is never opened c. Output shape is the same as the input shape d. Op amp may saturate 25. 23. The amplifier voltage gain is a more stable and precise value. Multiple Choice Questions and Answers on Op-Amp ( Operational Amplifier ) Multiple Choice Questions and Answers By Sasmita January 9, 2020 In addition to reading the questions and answers on my site, I would suggest you to check the following, on amazon, as well: Determine the output from the following circuit a) 180 o in phase with input signal b) 180 o out of phase with input signal c) Same as that of input signal d) Output signal cannot be determined View Answer A differential amplifier provides high gain for differential input signals and low gain for common mode signals. Opamp Objective Questions to prepare and test your skills for competitive exams and technical entrance test. 22. An IC unit containing a differential amplifier built using both bipolar and FET transistors is referred to as a ________ circuit. 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