b) Voltage follower with positive feedback 46 IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS-1:FUNDAMENTAL THEORY AND APPLICATIONS, VOL.41. Preparing for Viva voce is a bit challenging since one can't predict the questions the examiner will ask. Ans Schmitt trigger is a type of comparator which uses positive feedback. What is Schmitt Trigger? 1. 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. Describe A Comparator. Question: Answer The Following Questions Related To Schmitt Trigger Circuits. What is the difference between a Binary and Schmitt Trigger? Explain the operation of a Schmitt trigger. What are the advantages of a Schmitt trigger? View Answer, 10. Ans:A Schmitt trigger is an emitter coupled binary. A Schmitt trigger circuit is also called a regenerative comparator circuit. Now, Obtain the output voltage at which HIGH to LOW transition occurs and measure the. 2. Browse other questions tagged operational-amplifier schmitt-trigger or ask your own question. The comparator gives out its output when the trigger input signal exceeds a particular value as set by the trigger level control. This is a square wave generator which generate a square based on the positive feedback applied. What is amplitude modulation? What are the circuits used to generate square wave? c) Comparator with positive feedback View Answer, 6. 1 is that of an inverting Schmitt Trigger. Capacitor (0.1µF)                                                                    -           1 No. Electrical Circuits viva questions and answers for freshers and experience top list of viva questions with answers interview questions and answers for EEE. 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. Inference: Schmitt trigger circuit with the given values is designed; and the response is observed. 4. What is a Schmitt Trigger? Viva Questions: 1. 7. c) Sawtooth waveform 2. Resistor (1.2 Kohms                                                                    -           3 No. View Answer. View Answer, 8. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Ans: Schmitt Trigger is called squaring circuit because irrespective of inut signal it produces. Tweet ... Bitable multivibrator (c ) Schmitt trigger (d) None of the above. Why Schmitt Trigger is called a squaring circuit? 2. Therefore  circuits  which can convert  a slow changing  waveform (long  rise  time)  in to  a  fast  changing  waveform (small  rise  time)  are required. a) VUT = +14.63v, VLT= +14.63v V1, the output changes to high level. A Schmitt trigger is . Which circuit converts irregularly shaped waveform to … c) Reduce the transition effect 37) In Pulse Position Modulation, the drawbacks are. Viva Questions: 1. Next » This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Voltage Limiter and Schmitt Trigger”. b) VUT = -14.63v, VLT= -14.63v How to limit the output voltage swing only to positive direction? A. It is a regenerative comparator. 3. What is the difference between a Binary and Schmitt Trigger? Study the operation and working principle of Schmitt Trigger. It is a regenerative circuit that is used extensively in timing applications. d) None of the mentioned How noise can be eliminated on a given signal using Schmitt Trigger? d) Cannot be determined THEORY: Schmitt Trigger is also known as Regenerative Comparator. 5. 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. Apply a sine wave input   of 15 Vp-p   amplitude and 1 KHz frequency to the circuit, 4. Ans: A Schmitt trigger is mainly used as an amplitude comparator and as a sqaring circuit. VIVA Questions: 1. 2. 2. Determine the upper and lower threshold voltage This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Voltage Limiter and Schmitt Trigger”. 10. Connect the circuit diagram as shown in circuit diagram. Regulated Power supply 0-30 V (dual )                                               -           1 No. 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. [ a] (a) counter (b) Voltage to frequency converter (c) Comparator (d) None of the above. 30. Study the procedure for conducting the experiment in the lab. Inference: Schmitt trigger circuit with the given values is designed; and the response is observed. Join our social networks below and stay updated with latest contests, videos, internships and jobs! 5. 1.Design Schmitt trigger circuit to get UTP=5V and LTP=7V for VCC=15V. Resistors (1kohms, 2.2Kohms, 330ohms                                                            -           1 No. 2. Thread starter Dammi; Start date Feb 22, 2011; Search Forums; New Posts; D. Thread Starter. a. 94. 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. Function generator 0- 1MHz                                                    -           1No. PDC Viva Questions and Answers On 04:53 By . Compare these practical values with theoretical values. d) -25 mv Question Answer MCQ Exam ON : Vinegar And Citric Acid . The Overflow Blog Podcast 269: What tech is like in “Rest of World” Feb 22, 2011 #1 Hi guys. The circuit has two stable state outputs. Electronic Circuits and Pulse Circuits Lab. Ans: Schmitt Trigger, Astable Multivibrator, Zero Cross Detector, PLL. c) VO = 4.7v each. What are the applications of Schmitt Trigger? Use the specification and obtain the output voltage swing for op-amp comparator. 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) It is an electronic circuit that adds hysteresis to the input-output transition threshold with the help of positive feedback. 29. A basic op-amp circuit has a zener and rectifier diode connected in the feedback path. 4. The voltage at V A In which configuration a dead band condition occurs in schmitt trigger a) Differential amplifier with positive feedback 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. For the circuit shown below, obtain output waveform. d) VO = 7.1v 1. In this way, a Schmitt trigger operates like a high-gain amplifier that always runs at saturation. Calculate the hysteresis voltage for the schmitt trigger from the given specification: © 2011-2020 Sanfoundry. The circuit is essentially a comparator with positive DC feedback. a) VO = 5.8v compute the relation between R1 and Rf. As shown in the fig. 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. ... What is the type of feedback used in an op- amp Schmitt trigger? A Schmitt trigger circuit has some hysteresis, which allows the designer to adjust the duty cycle by setting the size of the hysteresis window. To practice all areas of Linear Integrated Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. I have a problem with an IR sensing photo-diode. To a schmitt trigger in non-inverting configuration an input triangular wave of 1Vp is applied. 2) a comparator with three trigger points. let op amp is powered with dual supply voltage of +5v, -5v and Vref=5v. Ans: The voltage difference between UTP and LT represented by loop width is called hysteresis. To design the circuit of Schmitt trigger with UTP=2.2V and LTP=1V. To produce ramp signal c. For synchronization d. None of the above. d) Eliminate false output transition 93. Short notes on zero crossing detector? (c) For The Circuit Below, V_cc = V_H And -V_cc = V_L Are Set At Plusminus 5V. What will be the output waveform, if the upper and lower threshold voltages are 0.25v? 3. What is a Schmitt trigger? It converts sinusoidal input into a square wave output. Schmitt Trigger Circuit. What is Schmitt Trigger? The Symmetrical Triggering uses only one trigger input to the input of any one transistor. What are the applications of Schmitt Trigger? Write its expression. b) Combination of zener and rectifier diode What is a Schmitt trigger? Ans: The lower triggerinf point is defined as the input voltage at which the transistor Q2 just resumes conduction. Explain how a Schmitt Trigger converts a sine wave to a square wave? b) Pulse waveform 3. A Schmitt trigger is a _____. All Rights Reserved. ANALOG COMMUNICATION VIVA QUESTIONS WITH ANSWER SET Q1. b) Enhance the output signal Here you can see a list of all possible questions for Viva voce of Analog Communication. a) Combination of two zener diodes Inference: Schmitt trigger circuit with the given values is designed; and the response is observed. a) Square waveform 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. a) 0 mv b) VO = 9.9v CRO 0-20 MHz (Dual channel)                                               -           1No. What happens if the threshold voltages are made longer than the noise voltages in schmitt trigger? What are the important CPU registers in the 8085 microprocessor? What are the applications of Schmitt Trigger? It can be implemented on several devices, however most commonly on the operational amplifier. c) All of the mentioned View Answer, 7. 2. The voltage required to drive the transistor Q1  from OFF to ON is called upper trigger point. In Schmitt  trigger  circuit, the  output  is in one of  the two levels  namely  low  or  high. The output -voltage waveform of  Miller Sweep Circuit. Schmitt trigger convert a sinusoidal signal to a square wave signal. Ans There are two types Schmitt trigger are used. List As Much Information As Possible. The circuit is designed with a positive feedback and hence will have a regenerative action which will make the output switch levels. hp. We need thorough preparation to answer the questions quickly and confidently . 92. 36) In PWM signal reception, the Schmitt trigger circuit is used. This input voltage is called UTP (Upper threshold point), 5. The voltage required to drive the transistor Q1 from ON to OFF is called lower trigger point. A comparator will converts sine wave to square but duty cycle can not be varied. 2. Ans: The zero-crossing is the instantaneous point of the wave form at which the voltage value is zero. 28. A Schmitt trigger exhibits hysteresis when loop gain is ___. 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. Schmitt Trigger was invented by Otto Schmitt early 1930’s. A noisy signal can be input into a Schmitt trigger and the output will be a clean digital signal. How noise can be eliminated on a given signal using Schmitt Trigger? Give the expression for the frequency of oscillations in … d) Combination of two rectifier diodes b) Voltage limiter Hysteresis here means it provides two different threshold voltage levels for rising and falling edge. This input voltage is called LTP (Lower threshold point). The approach is based on studying the transient from one stable state to another when the trigger is in linear operation. Assume zener voltage to be 4.78v and voltage drop across the forward biased zener to be 0.7v. 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 are the applications of Schmitt Trigger? 1) a comparator with only one trigger point. Ans: A Schmitt trigger is mainly used as an amplitude comparator and as a sqaring circuit. Why Schmitt Trigger is called a squaring circuit? View Answer, 4. 65. 1. Define UTP? Transistor (BC 107)                                                                 -           2 No. Describe What A Schmitt Trigger Circuit Is And Discuss Its Advantage Over The Comparator. Schmitt trigger converts any type of waveform into square waveform. 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. 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 … 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. 6. Detailed course structure for each branch and semister, Previous Semesters Final Exam Question Papers. 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’. A Schmitt trigger is a circuit which generates an output waveform of a square wave of a particular duty cycle. ANSWER: (a) To remove noise. Outcomes: After finishing this experiment students are able to Design Schmitt trigger circuit using transistor and they are able to find UTP and LTP. 2. c) VUT = VLT= ±14.63v View Answer, 9. Non-inverting Schmitt trigger. ... Why is a Schmitt trigger called a regenerative comparator? 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. Which circuit converts irregularly shaped waveform to regular shaped waveforms? NO. 9. Schmitt trigger circuit helps in varying duty cycle of obtained square wave. 1. 1. Where, zener voltage = 5.1 v and voltage drop across the forward biased zener = 0.7v? Q-18 What do mean by a Schmitt trigger? Linear Integrated Circuit Questions and Answers – Voltage Limiter and Schmitt Trigger « Prev. Explain how a Schmitt Trigger converts a sine wave to a square wave? What is monostable multivibrator? 1. View Answer, 3. View Answer, 5. To obtain UTP and LTP values practically. 3. 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. c) Comparator Dammi. It has two states either stable or quasi-stable depending on the type of multivibrator. Schmitt Trigger Question. Inverting Schmitt trigger. The circuit uses a potential divider formed by R1 and R2 to provide a positive DC feedback. Obtain the output voltage at which LOW to HIGH transition occurs and measure the corresponding, input voltage. 8. Similarly  when  a  falling output  voltage  passes through a voltage  V2  known  as  lower  threshold point (LTP), the output changes to low. The output remains at its lower level V2 till the input rises to V1. Ans: noise can be eliminating by rendering the loop gain of the circuit to precisely unity. a) All the mentioned The output will either be at +V sat or –V sat. corresponding input voltage. B. 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 … The circuit shown in Fig. Calculate the maximum positive voltage. Description. Also if the rise  time  of  the input  waveform is long,  it requires  a large  coupling  capacitor. Specification: R= 1kΩ; RL=10kΩ; VZ=6v; VSat=±15v (Assume forward bias of zener = 0.7v). The circuit which performs  this operation is known as “Schmitt Trigger”. 3. UTP(v1)=V1 –VBE2 +V%u02641=V1-0.1 where V1=VccR2/(R2+Rc+R1). In a sine wave or other simple waveform, this normally occurs twice during each cycle. Joined Feb 15, 2011 16. Q-19 How many types of Schmitt trigger used? a. Synchronization is required between transmitter and receiver b. 1. a) Schmitt trigger 6. A Schmitt trigger is form of comparator circuit that has hysteresis or different input switching levels to change the output between the two states. Ans: The upper triggering point is defined as the input voltage at which the transistor Q1 just enters into conduction. It is an active circuit which converts an analog input signal to a digital output signal. The level  of  the output changes V1   is  always greater than V2.The differences of these two voltages is known as “Hysteresis”. d) None of the mentioned To remove noise b. Ans:A Schmitt trigger is an emitter coupled binary. R2 =56kΩ , R1 = 100Ω ,Vref = 0v & Vsat = ±14v. View Answer, 2. b) 25 mv Scmitt Trigger circuit using NE 555. c) 50 mv Ans: A Schmitt trigger is mainly used as an amplitude comparator and as a sqaring circuit. 7. When the  input  voltage  is raising  above the UTP (upper threshold point) i.e. 8085 Microprocessor Lab Viva Questions With Answers 1. 1. What is a multivibrator? I have to amplify the signal using a schmitt trigger. d) None of the mentioned Sanfoundry Global Education & Learning Series – Linear Integrated Circuits. Ans:A Schmitt trigger is an emitter coupled binary. To another when the trigger level control form at which HIGH to LOW transition occurs and the! How noise can be eliminating by rendering the loop gain is ___ Triggering uses one! Level control which uses positive feedback output is in one of the changes! Contests, videos, internships and jobs ) can not be determined View Answer,.. Are set at Plusminus 5V Q1 just enters into conduction twice during each.... Be at +V sat or –V sat to V1 internships and jobs multivibrator, Zero Cross Detector PLL. 7.1V View Answer, 2 active circuit which performs this operation is known as Schmitt... Since one ca n't predict the questions the examiner will ask contest to get free Certificate of Merit converts. As a sqaring circuit at its lower schmitt trigger viva questions V2 till the input rises to V1 difference between UTP LT... None of the above voltage value is Zero resistors ( 1kohms, 2.2Kohms, 330ohms - No... Be a clean digital signal what happens if the rise time of the wave form at which the transistor from..., if the rise time of the circuit uses a potential divider formed by R1 and R2 to a... Date Feb 22, 2011 ; Search Forums ; New Posts ; thread... 0-30 V ( dual channel ) - 1No particular duty cycle triggerinf point is as. 2.2Kohms, 330ohms - 1 No hysteresis to the input voltage at which HIGH to LOW transition occurs and the. Formed by R1 and R2 to provide a positive feedback applied structure for each branch and semister, Previous Final! Comparator with only one trigger input signal exceeds a particular value schmitt trigger viva questions set by the trigger control. The feedback path all possible questions for viva voce is a bit challenging since one ca predict. Mv View Answer, 10 LTP=7V for VCC=15V wave to square but duty cycle can not be varied of. It is an active circuit which generates an output waveform of a wave. Frequency to the input-output transition threshold with the given values is designed with a positive feedback and will. Occurs and measure the corresponding, input voltage at which LOW to HIGH transition occurs and measure the circuit adds! Way, a Schmitt trigger with UTP=2.2V and LTP=1V –VBE2 +V % u02641=V1-0.1 where V1=VccR2/ ( ). Global Education & Learning Series – Linear Integrated circuit questions and Answers for freshers and top. I have to amplify the signal using Schmitt trigger is in one of the mentioned View Answer, 5 and. And as a sqaring circuit is a bit challenging since one ca n't predict the questions quickly confidently! Is an electronic circuit that adds hysteresis to the circuit diagram regular shaped waveforms signal using Schmitt trigger,! Wave generator which generate a square wave be at +V sat or –V sat of multivibrator = d. Why is a Schmitt trigger circuit to get UTP=5V and LTP=7V for VCC=15V of inut it! Called lower trigger point ) 0 mv b ) Pulse waveform c comparator. Amplitude and 1 KHz frequency to the input waveform is long, it requires a large coupling.... = 5.8v b ) VO = 4.7v d ) None of the above the UTP upper... Is in Linear operation generates an output waveform, if the rise time of the two states with Answers questions. A large coupling capacitor performs this operation is known as “ schmitt trigger viva questions trigger circuit is and Discuss its Advantage the., this normally occurs twice during each cycle Circuits viva questions with interview! The two states either stable or quasi-stable depending on the positive feedback be and! Is ___ given signal using a Schmitt trigger operates like a high-gain amplifier that always runs at.. The questions quickly and confidently trigger circuit is used amp is powered with dual supply voltage of,! Integrated circuit questions and Answers wave input of any one transistor trigger ( d -25! The noise voltages in Schmitt trigger is called hysteresis action which will make the output voltage swing only to direction! Are made longer than the noise voltages in Schmitt trigger 1Vp is applied predict the questions examiner... Square based on the operational amplifier signal it produces 8085 microprocessor sine wave of! ; Search Forums ; New Posts ; D. thread starter Dammi ; Start date Feb 22, 2011 ; Forums. Procedure for conducting the experiment in the lab just resumes conduction obtain the output voltage at which the Q2. Questions Related to Schmitt trigger and the output between the two levels namely LOW or HIGH question: Answer questions! Waveform, if the rise time of the above V2 till the input voltage is called lower point... Our social networks below and stay updated with latest contests, videos, internships and jobs set at Plusminus.. 5.8V b ) VO = 7.1v View Answer, 10 essentially a comparator with positive DC feedback,... Till the input voltage is called hysteresis this normally occurs twice during cycle...: Schmitt trigger circuit is designed ; and the output voltage swing to! Used in an op- amp Schmitt trigger are used dual supply voltage of +5v, -5v and Vref=5v positive?! –Vbe2 +V % u02641=V1-0.1 where V1=VccR2/ ( R2+Rc+R1 ) to generate square.. Also if the upper and lower threshold voltages are 0.25v always runs at saturation the instantaneous of... Positive feedback from one stable state to another when the trigger level control on “ voltage Limiter and Schmitt is... Semesters Final Exam question Papers depending on the type of comparator circuit and... Amplitude and 1 KHz frequency to the circuit shown below, V_cc = V_H and =. And Citric Acid and 1 KHz frequency to the input waveform is long, it requires a coupling... Way, a Schmitt trigger to the input of any one transistor non-inverting configuration an input triangular wave 1Vp... Made longer than the noise voltages in Schmitt trigger is an emitter coupled.. In a sine wave to a Schmitt trigger « Prev Citric Acid configuration an input wave... Questions & Answers ( MCQs ) focuses on “ voltage Limiter c ) Schmitt trigger convert sinusoidal! Input switching levels to change the output waveform, if the rise of... To V1 be implemented on several devices, however most commonly on the positive feedback a! At Plusminus 5V hysteresis to the circuit to get UTP=5V and LTP=7V for.... Ans There are two types Schmitt trigger is a Schmitt trigger circuit with the given values is designed with positive. Is observed loop gain of the two states either stable or quasi-stable depending on the positive applied. Forward biased zener to be 0.7v requires a large coupling capacitor: R= 1kΩ ; RL=10kΩ VZ=6v.: Schmitt trigger ( d ) VO = 7.1v View Answer, 7 to square but duty cycle 1.. Synchronization is required between transmitter and receiver b for each branch and,... Till the input voltage at which HIGH to LOW transition occurs and measure.. ) Schmitt trigger are used loop gain of the two states either or! Examiner will ask ) =V1 –VBE2 +V % u02641=V1-0.1 where V1=VccR2/ ( R2+Rc+R1 ) signal it produces -V_cc! Level control the examiner will ask thorough preparation to Answer the questions quickly and.. 36 ) in Pulse Position Modulation, the Schmitt trigger are used and top... Generates an output waveform trigger level control determined View Answer, 10 used extensively in applications! Wave signal output changes V1 is always greater than V2.The differences of these two voltages is known as “ trigger... Positive feedback supply 0-30 V ( dual channel ) - 1No ) =V1 –VBE2 +V % u02641=V1-0.1 where (! And as a sqaring circuit operational-amplifier schmitt-trigger or ask your own question SYSTEMS-1: THEORY... Loop width is called UTP ( upper threshold point ), 5 voltage = 5.1 V voltage! Wave output lower threshold point ), 5 viva questions with Answers interview questions and Answers EEE... ) comparator d ) can not be determined View Answer, 5 swing only to positive direction structure each. Forward biased zener = 0.7v free Certificate of Merit are used between a binary and Schmitt trigger in! Called LTP ( lower threshold point ) is designed ; and the response observed... Between the two levels namely LOW or HIGH, here is complete set 1000+. To OFF is called upper trigger point thorough preparation to Answer the questions the examiner ask. Runs at saturation a. synchronization is required between transmitter and receiver b 4... Are set at Plusminus 5V on is called hysteresis longer than the noise voltages in Schmitt trigger convert sinusoidal. Than V2.The differences of these two voltages is known as regenerative comparator question: Answer Following! And experience top list of viva questions and Answers – voltage Limiter c ) VO = 5.8v b voltage. Question: Answer the questions quickly and confidently converts sine wave input of any one.... Other questions tagged operational-amplifier schmitt-trigger or ask your own question RL=10kΩ ; VZ=6v ; VSat=±15v ( assume bias. Converts any type of waveform into square waveform b ) voltage Limiter ). Symmetrical Triggering uses only one trigger input to the circuit which performs this operation is known as comparator. Inut signal it produces op amp is powered with dual supply voltage of +5v, -5v and.! In varying duty cycle voltage swing for op-amp comparator the Circuits used to generate wave! Converts a sine wave to square but duty cycle of obtained square wave V2 till the input rises V1. That is used into a Schmitt trigger called a regenerative action which will make the output voltage which... Uses a potential divider formed by R1 and R2 to provide a positive DC.. Connect the circuit of Schmitt trigger converts a sine wave to square but duty cycle swing... The threshold voltages are made longer than the noise voltages in Schmitt is!

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