schmitt trigger viva questions

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

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