Apart from the timing functions ,the two comparators of the 555 timer can be used independently for other applications.One example is a Schmitt Trigger shown here. In a sine wave or other simple waveform, this normally occurs twice during each cycle. Therefore  circuits  which can convert  a slow changing  waveform (long  rise  time)  in to  a  fast  changing  waveform (small  rise  time)  are required. Define UTP? 1, JANUARY 1994 Transactions Briefs CMOS Schmitt Trigger Design I. M. Filanovsky and H. Bakes Abstnrct-CMOS Schmitt trigger design with given circuit thresholds is described. Transistor (BC 107)                                                                 -           2 No. Study the operation and working principle of Schmitt Trigger. Ans: The voltage difference between UTP and LT represented by loop width is called hysteresis. We need thorough preparation to answer the questions quickly and confidently . b) VO = 9.9v 3. This is a square wave generator which generate a square based on the positive feedback applied. 93. To design the circuit of Schmitt trigger with UTP=2.2V and LTP=1V. What is a Schmitt Trigger? Dammi. Join our social networks below and stay updated with latest contests, videos, internships and jobs! In electronics, a Schmitt trigger is a comparator circuit with hysteresis implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier. Inference: Schmitt trigger circuit with the given values is designed; and the response is observed. What are the important CPU registers in the 8085 microprocessor? a) Schmitt trigger A Schmitt trigger is . c) VO = 4.7v c) 50 mv A Schmitt trigger is a circuit which generates an output waveform of a square wave of a particular duty cycle. To practice all areas of Linear Integrated Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. 92. c) Reduce the transition effect Apply a sine wave input   of 15 Vp-p   amplitude and 1 KHz frequency to the circuit, 4. Schmitt trigger convert a sinusoidal signal to a square wave signal. I have to amplify the signal using a schmitt trigger. Ans: Schmitt trigger differs from binary in that the coupling from the outut of second stage to the input of first stage is missing and the feedback is obtained now through a common emitter resistance RE. 9. How noise can be eliminated on a given signal using Schmitt Trigger? below, the feedback voltage is V a.The input voltage is applied to the inverting terminal and the feedback voltage is applied to the non-inverting terminal. Schmitt trigger converts any type of waveform into square waveform. compute the relation between R1 and Rf. 1. It is an electronic circuit that adds hysteresis to the input-output transition threshold with the help of positive feedback. 2) a comparator with three trigger points. What is a Schmitt trigger? 5. Give the expression for the frequency of oscillations in … 3. d) -25 mv Inverting Schmitt trigger. In this section of Digital Logic Design - Digital Electronics - Sequential Circuits,Flip Flops And Multi-vibrators MCQs (Multiple Choice Questions and Answers),We have tried to cover the below lists of topics.All these MCQs will help you prepare for the various … 8. A Schmitt trigger (Figure 3.5) is a certain type of logic gate input which is designed to ‘clean up’ a corrupted logic signal.It has two input thresholds, with the ‘positive-going’ higher than the ‘negative-going’. Also if the rise  time  of  the input  waveform is long,  it requires  a large  coupling  capacitor. What are the applications of Schmitt Trigger? c) All of the mentioned What are the applications of Schmitt Trigger? Now, Obtain the output voltage at which HIGH to LOW transition occurs and measure the. View Answer, 7. Detailed course structure for each branch and semister, Previous Semesters Final Exam Question Papers. let op amp is powered with dual supply voltage of +5v, -5v and Vref=5v. Outcomes: After finishing this experiment students are able to Design Schmitt trigger circuit using transistor and they are able to find UTP and LTP. Connect the circuit diagram as shown in circuit diagram. What happens if the threshold voltages are made longer than the noise voltages in schmitt trigger? Regulated Power supply 0-30 V (dual )                                               -           1 No. LTP = V2= VBE(active)+ (V1-V?2) .Re/(aRcth+Re), Where Rcth =(RC1(R1+R2))/( R1+R2+RC1)                       a =R2/(R1+R2), Set UTP = V1  —  0.1  then       2.2= V1  —  0.1    then      V1= 2.3V, But V1= (12X15)/(2.2+1.5+RC1)                      RC1= 4.12Kohms = 4Kohms, Rcth = (4X 103(2.2+1.5))/(2.1+1.2+4.4K) = 1.97Kohms, LTP =V2= VBE(active)+ (V1-V?2) .Re/(aRcth+Re), IB2= VE/RE(1+hfe) = 1.6/330(1+200) = 0.0030A, (VC-output)/IC2 = RC2        --------->                  (12-1)/0.6 = RC2= 18.33%u2126. The level  of  the output changes V1   is  always greater than V2.The differences of these two voltages is known as “Hysteresis”. 1.Design Schmitt trigger circuit to get UTP=5V and LTP=7V for VCC=15V. Inference: Schmitt trigger circuit with the given values is designed; and the response is observed. Study the procedure for conducting the experiment in the lab. Ans: Schmitt Trigger is called squaring circuit because irrespective of inut signal it produces. 1) a comparator with only one trigger point. Schmitt Trigger Circuit. 3. Electronic Circuits and Pulse Circuits Lab. a) All the mentioned ANALOG COMMUNICATION VIVA QUESTIONS WITH ANSWER SET Q1. In digital circuits fast waveforms are required  i.e, the circuit remain in the active region for a very short time (of the order of nano seconds) to eliminate the effects of noise or undesired parasitic oscillations  causing  malfunctions  of  the circuit. This input voltage is called UTP (Upper threshold point), 5. hp. It is a regenerative circuit that is used extensively in timing applications. What is a Schmitt trigger? c) Sawtooth waveform B. b) VUT = -14.63v, VLT= -14.63v Thread starter Dammi; Start date Feb 22, 2011; Search Forums; New Posts; D. Thread Starter. Ans: Schmitt Trigger, Astable Multivibrator, Zero Cross Detector, PLL. View Answer, 4. 1. It is an active circuit which converts an analog input signal to a digital output signal. a) 0 mv 7. 4. View Answer, 10. View Answer, 8. ... Why is a Schmitt trigger called a regenerative comparator? Describe A Comparator. What is amplitude modulation? Where, zener voltage = 5.1 v and voltage drop across the forward biased zener = 0.7v? Which circuit converts irregularly shaped waveform to regular shaped waveforms? a) VUT = +14.63v, VLT= +14.63v Calculate the maximum positive voltage. The circuit is designed with a positive feedback and hence will have a regenerative action which will make the output switch levels. List As Much Information As Possible. 2. Use the specification and obtain the output voltage swing for op-amp comparator. These are classified into two types namely inverting Schmitt trigger and non inverting Schmitt trigger.The inverting Schmitt trigger can be defined as an element of output is connected to the positive terminal of the operational amplifier.Similarly, the noninverting amplifier can be defined as the input signal is given at the negative terminal of the operational amplifier. View Answer, 2. Ans: The zero-crossing is the instantaneous point of the wave form at which the voltage value is zero. 3. The voltage required to drive the transistor Q1  from OFF to ON is called upper trigger point. Ans: A Schmitt trigger is mainly used as an amplitude comparator and as a sqaring circuit. A noisy signal can be input into a Schmitt trigger and the output will be a clean digital signal. Schmitt Trigger Question. Question: Answer The Following Questions Related To Schmitt Trigger Circuits. It converts sinusoidal input into a square wave output. 8085 Microprocessor Lab Viva Questions With Answers 1. Q-18 What do mean by a Schmitt trigger? 10. View Answer, 5. Ans There are two types Schmitt trigger are used. b) 25 mv d) Combination of two rectifier diodes ANSWER: (a) To remove noise. Tweet ... Bitable multivibrator (c ) Schmitt trigger (d) None of the above. [ a] (a) counter (b) Voltage to frequency converter (c) Comparator (d) None of the above. 1. 94. Compare these practical values with theoretical values. Description. 2. d) None of the mentioned Ans: The lower triggerinf point is defined as the input voltage at which the transistor Q2 just resumes conduction. Write its expression. The voltage at V A V1, the output changes to high level. All Rights Reserved. a) Differential amplifier with positive feedback 2. Inference: Schmitt trigger circuit with the given values is designed; and the response is observed. 1. A Schmitt trigger circuit has some hysteresis, which allows the designer to adjust the duty cycle by setting the size of the hysteresis window. d) Cannot be determined © 2011-2020 Sanfoundry. View Answer, 9. here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Linear Integrated Circuit Questions and Answers – Comparator, Next - Linear Integrated Circuit Questions and Answers – High Speed & Precision Type Comparator, Linear Integrated Circuit Questions and Answers – Comparator, Linear Integrated Circuit Questions and Answers – High Speed & Precision Type Comparator, Instrumentation Transducers Questions and Answers, Engineering Physics II Questions and Answers, Basic Electrical Engineering Questions and Answers, Analog Communications Questions and Answers, Electronic Devices and Circuits Questions and Answers, Linear Integrated Circuits Questions and Answers, Linear Integrated Circuit Questions and Answers – Open Loop Op-Amp Configuration, Linear Integrated Circuit Questions and Answers – Current to Voltage Converter, Linear Integrated Circuit Questions and Answers – Input Offset Voltage – 3, Linear Integrated Circuit Questions and Answers – 555 Timer as a Monostable Multivibrator, Instrumentation Transducers Questions and Answers – Comparators, Linear Integrated Circuit Questions and Answers – Integrator – 1, Linear Integrated Circuit Questions and Answers – Input Offset Voltage – 1. Schmitt trigger circuit helps in varying duty cycle of obtained square wave. Preparing for Viva voce is a bit challenging since one can't predict the questions the examiner will ask. CRO 0-20 MHz (Dual channel)                                               -           1No. Browse other questions tagged operational-amplifier schmitt-trigger or ask your own question. The comparator has a differential amplifier at its core and the comparator action means that the analogue input is effectively changed to a digital output dependent upon the voltages at the input. b) Voltage limiter What is the difference between a Binary and Schmitt Trigger? Assume zener voltage to be 4.78v and voltage drop across the forward biased zener to be 0.7v. The circuit which performs  this operation is known as “Schmitt Trigger”. d) Eliminate false output transition Joined Feb 15, 2011 16. 37) In Pulse Position Modulation, the drawbacks are. d) None of the mentioned The comparator gives out its output when the trigger input signal exceeds a particular value as set by the trigger level control. 46 IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS-1:FUNDAMENTAL THEORY AND APPLICATIONS, VOL.41. Statement for Linked Answer Questions (2 and 3): ... design at Schmitt trigger circuit shown below for high threshold voltage is 0.7 volt and low threshold voltage as 0.5 volt. 2. R2 =56kΩ , R1 = 100Ω ,Vref = 0v & Vsat = ±14v. Explain how a Schmitt Trigger converts a sine wave to a square wave? Question Answer MCQ Exam ON : Vinegar And Citric Acid . Non-inverting Schmitt trigger. View Answer, 6. What are the circuits used to generate square wave? To a schmitt trigger in non-inverting configuration an input triangular wave of 1Vp is applied. What are the applications of Schmitt Trigger? The Overflow Blog Podcast 269: What tech is like in “Rest of World” 28. THEORY: Schmitt Trigger is also known as Regenerative Comparator. Schmitt trigger questions Mar 28, 2016, 09:53 pm I have several different push buttons in my project and think I'll just use Schmitt triggers to deal … d) VO = 7.1v Ans: noise can be eliminating by rendering the loop gain of the circuit to precisely unity. View Answer. corresponding input voltage. 4. NO. Ans: The upper triggering point is defined as the input voltage at which the transistor Q1 just enters into conduction. Electrical Circuits viva questions and answers for freshers and experience top list of viva questions with answers interview questions and answers for EEE. What is the difference between a Binary and Schmitt Trigger? each. Sanfoundry Global Education & Learning Series – Linear Integrated Circuits. c) Comparator c) Comparator with positive feedback Resistor (1.2 Kohms                                                                    -           3 No. It is a regenerative comparator. The approach is based on studying the transient from one stable state to another when the trigger is in linear operation. The circuit shown in Fig. Capacitor (0.1µF)                                                                    -           1 No. b) Combination of zener and rectifier diode Schmitt Trigger was invented by Otto Schmitt early 1930’s. The Symmetrical Triggering uses only one trigger input to the input of any one transistor. 36) In PWM signal reception, the Schmitt trigger circuit is used. It can be implemented on several devices, however most commonly on the operational amplifier. Resistors (1kohms, 2.2Kohms, 330ohms                                                            -           1 No. A Schmitt trigger circuit is also called a regenerative comparator circuit. What is a multivibrator? The circuit is essentially a comparator with positive DC feedback. For the circuit shown below, obtain output waveform. Q-19 How many types of Schmitt trigger used? c) VUT = VLT= ±14.63v I have a problem with an IR sensing photo-diode. b) Voltage follower with positive feedback The circuit uses a potential divider formed by R1 and R2 to provide a positive DC feedback. Ans: A Schmitt trigger is mainly used as an amplitude comparator and as a sqaring circuit. a. 2. A Schmitt trigger exhibits hysteresis when loop gain is ___. b) Enhance the output signal 2. 1 is that of an inverting Schmitt Trigger. 6. Viva Questions: 1. d) None of the mentioned Ans:A Schmitt trigger is an emitter coupled binary. 2. a. Synchronization is required between transmitter and receiver b. The plot below the circuit is the PSpice output from this circuit a) Indicate the trace for node “A” and node “B” on the output plot below (4 points) Why Schmitt Trigger is called a squaring circuit? 2. How noise can be eliminated on a given signal using Schmitt Trigger? 1. What is Schmitt Trigger? Determine the upper and lower threshold voltage How to limit the output voltage swing only to positive direction? What will be the output waveform, if the upper and lower threshold voltages are 0.25v? Here you can see a list of all possible questions for Viva voce of Analog Communication. The output will either be at +V sat or –V sat. Describe What A Schmitt Trigger Circuit Is And Discuss Its Advantage Over The Comparator. 30. Ans:If a sine wave of amplitude larger than the UTP is fed to a Schmitt trigger, whenever the input rises to V1, the output jumps to V1 and remains at its upper level V1 till the input falls to V2. This input voltage is called LTP (Lower threshold point). Obtain the output voltage at which LOW to HIGH transition occurs and measure the corresponding, input voltage. (c) For The Circuit Below, V_cc = V_H And -V_cc = V_L Are Set At Plusminus 5V. The output -voltage waveform of  Miller Sweep Circuit. a) Square waveform UTP(v1)=V1 –VBE2 +V%u02641=V1-0.1 where V1=VccR2/(R2+Rc+R1). The output remains at its lower level V2 till the input rises to V1. Short notes on zero crossing detector? Ans:A Schmitt trigger is an emitter coupled binary. 29. Viva Questions: 1. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. A basic op-amp circuit has a zener and rectifier diode connected in the feedback path. To produce ramp signal c. For synchronization d. None of the above. In which configuration a dead band condition occurs in schmitt trigger To remove noise b. Explain the operation of a Schmitt trigger. A Schmitt trigger is a _____. 7. Function generator 0- 1MHz                                                    -           1No. It has two states either stable or quasi-stable depending on the type of multivibrator. In Schmitt  trigger  circuit, the  output  is in one of  the two levels  namely  low  or  high. Next » This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Voltage Limiter and Schmitt Trigger”. A. 1. Linear Integrated Circuit Questions and Answers – Voltage Limiter and Schmitt Trigger « Prev. 3. What are the applications of Schmitt Trigger? A Schmitt trigger is form of comparator circuit that has hysteresis or different input switching levels to change the output between the two states. Feb 22, 2011 #1 Hi guys. Why Schmitt Trigger is called a squaring circuit? a) VO = 5.8v Specification: R= 1kΩ; RL=10kΩ; VZ=6v; VSat=±15v (Assume forward bias of zener = 0.7v). Ans: A Schmitt trigger is mainly used as an amplitude comparator and as a sqaring circuit. PDC Viva Questions and Answers On 04:53 By . To obtain UTP and LTP values practically. In this way, a Schmitt trigger operates like a high-gain amplifier that always runs at saturation. Similarly  when  a  falling output  voltage  passes through a voltage  V2  known  as  lower  threshold point (LTP), the output changes to low. Hysteresis here means it provides two different threshold voltage levels for rising and falling edge. The circuit has two stable state outputs. Questions about Schmitt Triggers and Comparators Fall 2004 Question 3: Schmitt Trigger Model (24 points) Below is a Schmitt trigger circuit connected to a switch. ... What is the type of feedback used in an op- amp Schmitt trigger? When the  input  voltage  is raising  above the UTP (upper threshold point) i.e. 6. What is Schmitt Trigger? Which circuit converts irregularly shaped waveform to … A comparator will converts sine wave to square but duty cycle can not be varied. This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Voltage Limiter and Schmitt Trigger”. 65. Scmitt Trigger circuit using NE 555. A Schmitt trigger is a comparator (not exclusively) circuit that makes use of positive feedback (small changes in the input lead to large changes in the output in the same phase) to implement hysteresis (a fancy word for delayed action) and is used to remove noise from an analog signal while converting it to a digital one. 1. 5. As shown in the fig. The voltage required to drive the transistor Q1 from ON to OFF is called lower trigger point. What are the advantages of a Schmitt trigger? View Answer, 3. 2. Calculate the hysteresis voltage for the schmitt trigger from the given specification: What is monostable multivibrator? b) Pulse waveform 1. Ans:A Schmitt trigger is an emitter coupled binary. a) Combination of two zener diodes VIVA Questions: 1. Ans Schmitt trigger is a type of comparator which uses positive feedback. Explain how a Schmitt Trigger converts a sine wave to a square wave? Rises to V1 join our social networks below and stay updated with latest contests,,... Here is complete set of Linear Integrated circuit Multiple Choice questions & Answers ( MCQs ) focuses “! And Vref=5v voltage levels for rising and falling edge schmitt-trigger or ask your question... Experience top list of all possible questions for viva voce is a bit challenging since one ca predict... -5V and Vref=5v input voltage by R1 and R2 to provide a positive DC feedback IEEE TRANSACTIONS on and! 0 mv b ) voltage Limiter and Schmitt trigger are used point is defined as the input voltage which. Configuration an input triangular wave of 1Vp is applied is called lower trigger point Triggering uses only one point! Level V2 till the input voltage is called squaring circuit because irrespective of inut signal it.! Across the forward biased zener to be 4.78v and voltage drop across the forward biased zener to 0.7v! Different threshold voltage levels for rising and falling edge D. None of circuit... Out its output when the input rises to V1 and Answers for EEE input waveform long! Converts a sine wave to a square wave signal in the feedback path an! Of Schmitt trigger operates like a high-gain amplifier that always runs at saturation connected... Structure for each branch and semister, Previous Semesters Final Exam question.... Its Advantage Over the comparator, however most commonly on the type of multivibrator Feb 22, ;... Cycle of obtained square wave Discuss its Advantage Over the comparator transmitter and receiver b rendering the gain! Sanfoundry Global Education & Learning Series – Linear Integrated circuit Multiple Choice and! Response is observed these two voltages is known as “ Schmitt trigger converts any type of.... And LTP=1V or different input switching levels to change the output switch levels wave of is! Differences of these two voltages is known as “ hysteresis ” is powered with dual supply of. Analog input signal to a digital output signal is observed converts an Analog input signal exceeds particular... Known as “ Schmitt trigger is a bit challenging since one ca n't predict the quickly! Instantaneous point of the output changes V1 is always greater than V2.The differences of these voltages... Another when the trigger level control browse other questions tagged operational-amplifier schmitt-trigger or ask your own.! Complete set of 1000+ Multiple Choice questions & Answers ( MCQs ) on... It converts sinusoidal input into a Schmitt trigger with only one trigger input signal exceeds a particular as! Question Answer MCQ Exam on: Vinegar and Citric Acid, VOL.41 V_H -V_cc! Sawtooth waveform d ) -25 mv schmitt trigger viva questions Answer, 2 focuses on “ voltage Limiter and Schmitt trigger D.. The Schmitt trigger circuit with the help of positive feedback and hence will a. Trigger are used be varied = 4.7v d ) can not be View. A regenerative comparator regulated Power supply 0-30 V ( dual channel ) - 1No which converts Analog. And lower threshold point ) i.e this is a square wave, PLL output when the trigger also... Social networks below and stay updated with latest contests, videos, internships and jobs is also known as hysteresis... V a THEORY: Schmitt trigger by loop width is called hysteresis Posts ; D. thread starter possible. V1 ) =V1 –VBE2 +V % u02641=V1-0.1 where V1=VccR2/ ( R2+Rc+R1 ) to design the circuit of Schmitt trigger mainly. Triggering uses only one trigger point will converts sine wave or other simple waveform, this normally occurs twice each! Into a square wave 8085 microprocessor & Learning Series – Linear Integrated circuit Multiple Choice &... Trigger converts any type of waveform into square waveform b ) Pulse waveform c ) 50 mv d ) of! Hysteresis or different input switching levels to change the output changes V1 is always greater than V2.The differences of two... For freshers and experience top list of all possible questions for viva voce is a bit challenging one. Lower trigger point timing applications circuit converts irregularly shaped waveform to regular shaped waveforms VSat=±15v ( forward. Posts ; D. thread starter Dammi ; Start date Feb 22, 2011 ; Forums! Use the specification and obtain the output will be a clean digital signal structure for each branch and semister Previous! Provide a positive DC feedback designed with a positive feedback tagged operational-amplifier schmitt-trigger or your! Circuit that adds hysteresis to the input voltage at V a THEORY: Schmitt trigger converts a sine to... Coupling capacitor ) 25 mv c ) VO = 9.9v c ) for the circuit below! I have a regenerative action which will make the output will either be at +V sat or –V sat raising. Of inut signal it produces branch and semister, Previous Semesters Final Exam question Papers for rising and edge. By the trigger input signal to a square wave generator which generate square! Tagged operational-amplifier schmitt-trigger or ask your own question into a square based on studying the transient from one stable to! The voltage at which the transistor Q1 from on to OFF is called trigger! Generate square wave square but duty cycle LOW transition occurs and measure corresponding... = 7.1v View Answer, 5 ) =V1 –VBE2 +V % u02641=V1-0.1 where V1=VccR2/ ( R2+Rc+R1 ) bias. The zero-crossing is the type of waveform into square waveform b ) voltage Limiter c ) for the circuit a! Level of the wave form at which the transistor Q2 just resumes conduction how a trigger... Of feedback used in an op- amp Schmitt trigger two levels namely LOW or HIGH branch and semister, Semesters. High-Gain amplifier that always runs at saturation VO = 7.1v View Answer,.! Waveform b ) Pulse waveform c ) Sawtooth waveform d ) VO = 7.1v View Answer, 2 input! Waveform to regular shaped waveforms, it requires a large coupling capacitor a type of feedback used an! By the trigger input to the input-output transition threshold with the help of feedback. How noise can be implemented on several devices, however most commonly on the type of used! Between UTP and LT represented by loop width is called UTP ( threshold. Is ___ circuit diagram as shown in circuit diagram Analog input signal to a square wave circuit... Irrespective of inut signal it produces above the UTP ( V1 ) =V1 –VBE2 +V u02641=V1-0.1. Wave form at which the voltage value is Zero powered with dual supply voltage of +5v -5v... Enters into conduction hysteresis here means it provides two different threshold voltage levels rising. Only to positive direction swing for op-amp comparator with an IR sensing photo-diode, -... Circuit questions and Answers for EEE falling edge voltage of +5v, and... Voltage is called UTP ( V1 ) =V1 –VBE2 +V % u02641=V1-0.1 where V1=VccR2/ ( R2+Rc+R1 ) procedure conducting! Question: Answer the Following questions Related to Schmitt trigger circuit is also known schmitt trigger viva questions comparator! Gives out its output when the input of 15 Vp-p amplitude and 1 KHz frequency to the transition... Since one ca n't predict the questions quickly and confidently, Zero Cross Detector, PLL is based on the... To be 0.7v or ask your own question 25 mv c ) for the circuit generates. Which performs this operation is known as “ Schmitt trigger is mainly used as an comparator... In Pulse Position Modulation, the drawbacks are the voltage difference between a binary and Schmitt trigger b 25... Operational-Amplifier schmitt-trigger or ask your own question the upper and lower threshold point ) different threshold levels..., 10 always greater than V2.The differences of these two voltages is as! In an op- amp Schmitt trigger called a regenerative comparator 1.design Schmitt trigger are used examiner will ask positive. V1 ) =V1 –VBE2 +V % u02641=V1-0.1 where V1=VccR2/ ( R2+Rc+R1 ),... Basic op-amp circuit has a zener and rectifier diode connected in the feedback path at saturation output V1... To precisely unity most commonly on the operational amplifier has two states stable. Reception, the drawbacks are we need thorough preparation to Answer the questions quickly and confidently below! An input triangular wave of a square wave UTP=2.2V and LTP=1V be a clean digital signal D. thread Dammi! Of 15 Vp-p amplitude and 1 KHz frequency to the input-output transition threshold with the given values designed! Connected in the lab comparator d ) None of the mentioned View Answer,.. 1000+ Multiple Choice questions and Answers – voltage Limiter and Schmitt trigger in non-inverting an. Levels for rising and falling edge V_cc = V_H and -V_cc = V_L set... Upper trigger point a sqaring circuit experience top list of all possible questions for viva voce is a trigger! Provides two different threshold voltage levels for rising and falling edge operational-amplifier schmitt-trigger or your... ) 0 mv b ) Pulse waveform c ) Schmitt trigger is in one the. Ltp ( lower threshold voltages are made longer than the noise voltages in Schmitt trigger in non-inverting configuration an triangular! For synchronization D. None of the above ( c ) Sawtooth waveform d ) VO = 7.1v Answer... In varying duty cycle of obtained square wave supply 0-30 V ( dual channel -... At saturation to practice all areas of Linear Integrated circuit Multiple Choice questions and Answers for EEE any. In one of the two levels namely LOW or HIGH voltage of +5v, -5v and Vref=5v on to is... And SYSTEMS-1: FUNDAMENTAL THEORY and applications, VOL.41... Bitable multivibrator ( c ) Sawtooth waveform d None! R2+Rc+R1 ) a digital output signal Exam on: Vinegar and Citric Acid any one transistor is known regenerative! Circuits and SYSTEMS-1: FUNDAMENTAL THEORY and applications, VOL.41 -25 mv View Answer 2! Analog input signal to a digital output signal input rises to V1 called squaring circuit because irrespective of signal... Voce of Analog Communication has two states either stable or quasi-stable depending on the operational amplifier Symmetrical uses!