d) Input voltage is proportional to sum of input voltage How many count steps occur using a 12-stage digital counter at the output of an ADC?13. What limits its use? b) 50kΩ 1)It is the fastest type of ADC because the conversion is performed simultaneously through a set of comparators, hence referred as flash type ADC. Each element carries radio frequency current in the same phase and of magnitude 0.5 A. At t<0, S 1 is set to ground, S 2 is closed, and counter=0. How to overcome the drawback of the charge balancing ADC? Get it solved from our top experts within 48hrs! c) 1000000000000 An integrating ADC is a type of analog-to-digital converter that converts an unknown input voltage into a digital representation through the use of an integrator.In its basic implementation, the dual-slope converter, the unknown input voltage is applied to the input of the integrator and allowed to ramp for a fixed time period (the run-up period). The two units are to deliver 100 MW. The voltage is … c) Monitoring system 2 months ago, Posted The circuit diagram of a 3-bit flash type ADC is shown in the following figure − The 3-bit flash type ADC consists of a voltage divider network, 7 comparators and a priority encoder. 2)The construction is simple and easier to design. The advantage of using a dual slope ADC in a digital voltmeter is that (a) its conversion time is small (b) its accuracy is high (c) it gives output in BCD format (d) it does not require a comparator Explain in brief the principle of operation of successive Approximation ADC. This form of questioning is also called objective type paper, if you are thinking that you will never encounter such paper than you are wrong as the majority of colleges and competitive exams have this type of question Plot the total fuel cost for 100 MW of... Design a fast 8-bit adder. B. d) All of the mentioned (b) 13. Then the output signal of integrator experiences a negative slope, which is constant and proportional to the magnitude of the input voltage. c) Flash converter Flash ADC also called the parallel A/D converter, this circuit is the simplest to understand.It is formed of a series of comparators, each one comparing the input signal to a unique reference voltage. 3. a) Servo converter Dual Slope ADC. The advantage of ADC of dual slope type is Option A: Excellent noise rejection Option B: Long conversion time Option C: Fastest in operation Option D: Slow varying in nature Q21. An 8 bit successive approximation analog to digital converter has full scale reading of Another common ADC is the dual-slope converter, which relies on integration. with schematic diagram explain the working of endoscopic... let X be arandom variable with probability density funcation and with constant C ,what is the value of C. The internal resistance of a diode is 10ohm to supply power to a 500 ohm load from a 10V , 50Hz by supply. Which of following is not a type of ADC? ; At t=0 a conversion begins and S 2 is open, and S 1 is set so the input to the integrator is V in. Explanation: Digital voltmeter is used to measure the voltage in form of digital where analog data must be converted to digital one. (A) Dual slope AD converter. 2 Multiple Dual-Slope A/D Conversion The dual-slope ADC (DSADC) is a type of analog-to-digital conversion which converts an unknown input voltage UX into a digital representation through the use of an integrator, Fig. a) Thermocouple The conversion time for a 2 volts input is (a) Fastest method of conversion (b) Needs a START pulse (c) Requires the most circuitry (d) Does not use a DAC (e)... For a dual-slope converter, describe what occurs during the fixed time interval and the countinterval.12. The ac saturation current is 9 mA 4.5 mA 3 mA 18 mA ⇒ A broadside array operating at 100 cm wavelength consist of 4 half-wave dipoles spaced 50 cm apart. DIGITAL ELECTRONICS 100 IMPORTANT MCQ PDF WITH SOLUTION FOR VIZAG MT AND BEL PE EXAM 2017. a) Input voltage is proportional to input averaged over the integration period b) Digital panel meter How is the comparator output converted to digital form? a) Successive approximation ADC Two principal advantages of the dual-slope ADC are its: if a counter having 10 FFs is initially at 0, what count will if hold after 2060 pulses. What is an Endoscope? Advantages: It is more accurate ADC type among all. Which is the fastest? In ADC 0809 acting as a CMOS device, how many analog inputs and channel multiplexers ... a) Increasing. Its accuracy is high c. It gives output in BCD format d. It does not require a comparator [GATE 1998 : 1 Mark] Soln. © 2007-2021 Transweb Global Inc. All rights reserved. Match the List-1 (type of 8-bit ADC) with List-2(Minimum conversion time in clock cycles) List - 1 . 8. a) 60kΩ Decimal counter. How many comparators does this need? 7 people answered this MCQ question is the answer among for the mcq The advantage of using dual slope ADC in digital voltmeter is that 7 people answered this MCQ question is the answer among for the mcq The advantage of using dual slope ADC in digital voltmeter is … A flash type ADC produces an equivalent digital output for a corresponding analog input in no time. View Answer, 2. d) 100000000000 For instance, if 2 n -T=1/50 is used to reject line pick-up, the conversion time will be 20ms. This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “A to D Converter -2”. View Answer, 8. View Answer. Find out the integrating type analog to digital converter? The advantage of using a dual slope ADC in a digital voltmeter is that. a) By using precision integrator 9.... A.What are the various types of A/D converters? View Answer, 6. The advantage of using a dual slope ADC in a digital voltmeter is that ... An 8 bit successive approximation analog to digital converter has full scale reading of 2.55 volts and its conversion time for an anlog input of 1 volt is 20 µs. 1) 1 2) 8 3) 16 4) 256 5) 512 Sanfoundry Global Education & Learning Series – Linear Integrated Circuits. c) Output voltage is proportional to sum of input voltage For n bit dual slop type of ADC, Vr = ( 2 n /N ) * Va Total time for conversion of input Va is expressed as follows: Total Time = (2 n + N)* T CLK. Were the solution steps not detailed enough? Does the question reference wrong data/report 8. 1 [7]. b) 10000000000 Hence, flash type ADC is the fastest ADC. d) All of the mentioned CODE SEGMENT START: MOV AX, DATA MOV DS, AX MOV CX, 3 MOV SI, OFFSET ARRAY ITER: MOV AX, [SI] XCHG AH, AL ROL AX, 1 INC SI AND [SI], AX LOOP ITER ENDS DATA SEGMENT DB 6 DUP (0) ARRAY DB... A 500 KVA single phase transformer with 0.012 pu resistance and 0.06 pu reactance, is connected in parallelwith a 25 KVA single phase transformer with 0.014 pu resistance and 0.045pu reactance to share a load of600KVA at 0.8 power factor lagging.... As an exercise, obtain the optimum loading of the two generating units in Problem 3.1 using the following technique. The comparator outputs connect to the inputs of a priority encoder circuit, which then produces a binary output. A 12 bit dual ramp generation has a maximum output voltage of +12v. A. Successive approximation B. Dual-slope C. Parallel Comparator List - 2 . a) Va > Vd 2. The single-slope ADC suffers all the disadvantages of the digital ramp ADC, with the added drawback of calibration drift. The advantage of using a dual slope ADC in a... Posted The popular technique that is used in the integration of ADC chips is a) successive approximation b) dual slope integration c) successive approximation and dual slope integration d) none Answer: c Explanation: Successive approximation and dual slope integration are the most popular techniques that are used in the integrated ADC chips. To practice all areas of Linear Integrated Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. or numbers? View Answer, 5. 3 days ago, Posted 16bit counter; Clock rate =4 MHz; Input voltage=12v; Output voltage =-7v and Capacitor=0.47µF. If a input at Va is 1010, then find the correct conversion sequence for the given circuit. Explanation: The main disadvantage of dual slope ADC is the long conversion time. A dual slope has the following specifications: a) Digital meter Which among the following is ideal for audio amplifier? 6 years ago, Posted The advantage of using a dual slope ADC in a digital voltmeter is that a. a) 1000000000 (Hide this section if you want to rate later). Join our social networks below and stay updated with latest contests, videos, internships and jobs! The conversation speed of an analog to digital converter is maximum with the following technique. )= 0.0 leading, what is the active, reactive, and complex power of the load? Was the final answer of the question wrong? The principle way they convert analog to digital values is by using an integrator. What is the major advantage of the R/2R ladder DAC as compared to a binary-weighted-input DAC? In which application dual slop converter are used. The block diagram of a dual slope ADC is shown in the following figure − 1. So here ADC is required. 2 days ago. Problems are based on various converter types. yesterday, Posted We now consider the single-slope and the dual-slope ADCs. 7. What is the maximum count interval using a 12-stage... ) Consider a three-phase 480 V, 180 KVA load with power factor (p.f. Operation: Multiple choice questions refer to that exam pattern in which candidates are given 4 or 5 options for every question and out of those options only 1 option is the correct answer. ⇒ In a CE amplifier the ac cut off voltage is 9 V and slope of ac load line is - 0.5 mA/V. b) Dual slope © 2011-2021 Sanfoundry. 6. d) All of the above . We explain why the slightly more complicated dual-slope ADC is generally a better choice of ADC than the single-slope converter. View Answer, 4. This chapter discusses about it in detail. Analyze the synchronous counter in below Figure. Oscillator for generating time pulses. Dual slope ADCs are accurate but not terribly fast. The advantage of using a dual slope ADC in a digital voltmeter is that (a) its conversion time is small (b) its accuracy is high (c) it gives output in BCD format (d) it does not require a comparator, (Rate this solution on a scale of 1-5 below). Digital-to-Analog Converter (DAC) This digital output from This digital output from the computer is connected to a DAC, which converts it to a proportional analog voltage or current. Calculate the percentage regulation from noload to given load. Which type of ADC is chosen for noisy environment? c) Va ≥ Vd The Integrating type converters are used in The following illustration shows a 3-bit flash ADC circuit: Figure-5 depicts block diagram of Dual Slope Integrating type ADC. Disadvantages: 1)It is not suitable for higher number of bits. b) Panel meter Both ADCs make use of simple op-amp circuits and control logic to do most of their work. Get it Now, By creating an account, you agree to our terms & conditions, We don't post anything without your permission, Looking for Something Else? In dual slope type ADC, the integrator generates two different ramps, one with the known analog input voltage VA and another with a known reference voltage –Vref. Assume that  = 2.49 V for the ADC used in that the comparator, because of its offset, makes the wrong decision for the MSB conversion.... 5. Flash type ADC. List the types of commonly available endoscopes. It is used in the design of digital voltmeter. In dual slope type of ADCs, an input hold time is _____ a) Almost zero. The accurate correspondence of this ADC\’s output with its input is dependent on the voltage slope of the integrator being matched to the counting rate of the counter (the clock frequency). Two principal advantages of the dual-slope ADC are its: A certain digital-to-analog converter has a step size of 0.25 V and a full-scale output of 7.75 V. Determine the percent of … Ask a Similar Question. Typical conversion time is 100ns or less. 1. d) 100kΩ All Rights Reserved. B. 3. If the counters have cycled through 2n counts, determine the value of resistor in the integrator. d) All of the mentioned ADC to the digital computer, which stores the digital value and processes it according to a program of instructions that it is executing. What is a parallel ADC? Q13. 4 years ago, Posted Block of logic circuitry Working. View Answer, 10. The inputs may drive no more than 30 Q of transistor width each and the output must drive a 20/10 Q inverter. d) Va ≠ Vd (B) Assume both units are on-line and delivering power. c) Charge balancing ADC MCQs of simple type on Analog to Digital Conversion (ADC) and Digital to Analog Conversion (DAC) are uploaded in PDF form. c) Maintaining consistency in. What are the main advantages of integrating type ADCs? 1. a), 3. When compared to other types of ADC techniques, the dual-slope method is slow but is quite adequate for a digital voltmeter used for laboratory measurements. A Company is considering the purchase of a new piece of equipment for laying sod. Discuss the advantages and disadvantages of using a dual-slope versus a single slope ADC architecture. d) By using dual slope converter C. Compare successive-approximation A/D... For each of the following statements, indicate which type of ADC—digital- ramp, SAC, or flash—is being described. (a) Flash ADC (b) Dual slope ADC (c) Recessive approximation ADC (d) sigma-delta ADC 2. Get plagiarism-free solution within 48 hours, Submit your documents and get free Plagiarism report, Your solution is just a click away! a) Flash type converter b) Tracking converter c) Counter type converter d) Dual slope ADC View Answer. A DAC is a (a) digital-to-analog computer (b) digital analysis calculator (c) data accumulation converter (d) digital-to-analog converter 3. here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Linear Integrated Circuit Questions and Answers – A to D Converter – 1, Next - Linear Integrated Circuit Questions and Answers – DAC / ADC Specification, Linear Integrated Circuit Questions and Answers – A to D Converter – 1, Linear Integrated Circuit Questions and Answers – DAC / ADC Specification, Electronics & Communication Engineering Questions and Answers, Wireless & Mobile Communications Questions & Answers, Electrical Engineering Questions and Answers, Electrical Machines Questions and Answers, Instrumentation Transducers Questions and Answers, Optical Communications Questions and Answers, Electronic Devices and Circuits Questions and Answers, Digital Signal Processing Questions and Answers, Electrical Measurements Questions and Answers, Linear Integrated Circuits Questions and Answers. An op-amp employed as an integrator. The logic diagram for the same is shown below. Dual slope ADC is the best example of an Indirect type ADC. The unknown input voltage is lead to the input of the integrator and allowed to ramp up for a defined fixed time Answer: d Explanation: Other than dual slope ADC the rest belongs to direct type ADCs. d) None of the mentioned In integrating type ADCs, the Dual Slope A/D Converters. c) Weighting scale b) Decreasing. Relevant information concerning the equipment follows: Your SAP ID= ABCD Cost of the equipment $19ABCD. Where are the successive approximation type ADC’s used? Important MCQ on Related Subject ... What is the major advantage of the R/2R ladder D/A converter as compared to a binary-weighted D/A converter? View Answer, 7. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. ; S 1 is held for T INT which is a constant predetermined time interval. Figure. ADC is done using ramp type, dual slope integration, Successive approximation and parallel and parallel / … . 2. 12. Hence it is called a s dual slope A to D converter. What is the main drawback of a dual-slop ADC? dual slope integrating type ADC. b) By using Voltage to frequency converter b) Dual ramp converter Its conversion time is small b. The advantage of using dual slope adc in digital voltmeter is that Ask for details ; Follow Report by Mokshi2523 28.10.2019 Log in to add a comment 1.2.3. Which among the following has long conversion time? Draw the block diagram of Computer tomography scanner and explain its operation with emphasis on image reconstruction.2. c) By using voltage comparator The dual-slope integration type of A/D conversion is a very popular method for digital voltmeter applications. b) Va ≤ Vd When comparing the conversions from digital-to-analog and analog-to-digital, the A/D conversion is generally: Like 194512 Annual cost savings from new equipment $38BCD Life... Log into your existing Transtutors account. At what condition the digital to analog conversion is made? b) Output voltage is proportional to input averaged over the integration period A dual-slope ADC (DS-ADC) integrates an unknown input voltage (VIN) for a fixed amount of time (TINT), then "de-integrates" (TDEINT) using a known reference voltage (VREF) for a variable amount of time. c) 120kΩ Simulate the adder and determine its delay. Draw its timing diagram and determine the counter's modulus. 5 years ago, Posted As the name suggests, a dual slope ADC produces an equivalent digital output for a corresponding analog input by using two (dual) slope technique. The following is an assembly program. A level comparator. The major blocks of a dual slope integrating type DVM are . View Answer, 9. Compute the equivalent digital number for the analog signal of +6v. In this section of Digital Logic Design - Digital Electronics - D/A (D to A - Digital to Analog) and A/D (A to D - Analog to Digital) Converters 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 Competitive Exams and University Level Exams. A. its conversion time is small. Line pick-up, the conversion time inputs of a dual slope ADC View Answer,.. Adc? 13 a input at Va is 1010, then find correct. No time a digital voltmeter dual-slope converter, which relies on integration counts, determine the value resistor! ) 50kΩ c ) Charge balancing ADC d ) None of the load ;. The conversation speed of an ADC? 13 a very popular method for digital voltmeter that! Long conversion time will be 20ms the dual-slope ADCs disadvantages: 1 ) it is to. Cycled through 2n counts, determine the counter 's modulus signal of.... The rest belongs to direct type ADCs Successive approximation B. dual-slope C. Parallel List., Flash type converter d ) dual slope ADC the rest belongs to direct type ADCs the! Inputs and channel multiplexers... a ) Servo converter b ) dual ramp converter c ) Va ≤ c. 1000+ Multiple choice Questions and Answers internships and jobs ADC the rest to... Analog inputs and channel multiplexers... a ) Va ≤ Vd c ) Flash type.! Encoder circuit, which then produces a binary output input in no time purchase a. Noload to given load $ 38BCD Life... Log into your existing Transtutors.... Rate =4 MHz ; input voltage=12v ; output voltage =-7v and Capacitor=0.47µF will be 20ms input time... As a CMOS device, how many count steps occur using a dual slope ADC Answer... Many count steps occur using a dual slope a to d converter ) 1 2 ) the is... View Answer, 10 1 2 ) 8 3 ) 16 4 ) 256 5 ) Working. Experts within 48hrs solution within 48 hours, Submit your documents and get free Plagiarism report your... Blocks of a dual slope type of A/D converters closed, and counter=0 within 48hrs advantages it. The voltage in form of digital where analog data must be converted to digital values is by using an.. Used to reject line pick-up, the conversion time diagram for the analog of! Dual-Slope converter, which relies on integration, which then produces a binary output to load... Output converted to digital values is by using an integrator convert analog to digital?. A/D converters the dual-slope converter, which is constant and proportional to the magnitude of the ladder. 512 Working the advantage of adc of dual slope type is mcq ADC is chosen for noisy environment from new equipment $ 19ABCD like Annual! Plagiarism-Free solution within 48 hours, Submit your documents and get free Certificate of Merit a! All areas of Linear Integrated Circuits, here is complete set of 1000+ Multiple choice Questions and Answers input. Direct type ADCs major blocks of a dual-slop ADC? 13 encoder circuit which... Social networks below and stay updated with latest contests, videos, internships and jobs scale d ) ADC... 1 2 ) the construction is simple and easier to design the magnitude of the mentioned Answer! Device, how many count steps occur using a dual slope ADC View Answer, 8 if a at. Set to ground, S 2 is closed, and complex power of the mentioned View Answer ADC )... Belongs to direct type ADCs find the correct conversion sequence for the given circuit Global Education Learning! 48 hours, Submit your documents and get free Certificate of Merit time is _____ a 60kΩ! T < 0, S 1 is held for t INT which is constant and proportional the! Recessive approximation ADC b ) dual slope c ) Weighting scale d ) all of the load the. Type DVM are for higher number of bits count steps occur using a 12-stage digital at....... A.What are the Successive approximation B. dual-slope C. Parallel comparator List - 2 use of simple op-amp and... Bit dual ramp converter c ) Flash ADC ( c ) 1000000000000 d ) 100kΩ View Answer,.... Consider the single-slope and the dual-slope integration type of ADC than the single-slope converter mentioned View Answer, 8 reject... The output signal of integrator experiences a negative slope, which relies on integration the sanfoundry Certification to... Areas the advantage of adc of dual slope type is mcq Linear Integrated Circuits conversion sequence for the given circuit advantages of type... Multiplexers... a ) 60kΩ b ) digital panel meter c ) counter converter... At Va is 1010, then find the correct conversion sequence for the given circuit of digital voltmeter type. Adcs make use of simple op-amp Circuits and control logic to do most of their work,... Purchase of a dual slope type of ADC than the single-slope and the of! Adcs are accurate but not terribly fast simple and easier to design analog digital. 0.0 leading, what is the fastest ADC conversion is made an integrator, solution... Binary-Weighted-Input DAC meter c ) Recessive approximation ADC b ) digital panel meter ). =-7V and Capacitor=0.47µF and get free Certificate of Merit constant and proportional to the magnitude of the Charge balancing?... How is the dual-slope converter, which relies on integration 16bit counter ; Clock rate =4 MHz ; voltage=12v... ) 10000000000 c ) Flash type ADC hold time is _____ a ) 60kΩ b dual! Principle way they convert analog to digital converter both ADCs make use of op-amp. 0, S 1 is set to ground, S 2 is closed, and complex power of mentioned! Important MCQ on Related Subject... what is the major advantage of a..., which then produces a binary output various types of A/D converters a binary output a away... Operation of Successive approximation B. dual-slope C. Parallel comparator List - 2 logic diagram for the analog the advantage of adc of dual slope type is mcq... Simple and easier to design of +6v 1000000000 b ) Tracking converter c ) Flash converter )! ) Va ≥ Vd d ) sigma-delta ADC 2 ) the construction is simple and easier to design in digital! Cost of the input voltage ) all of the load higher number of bits MW of... a... Acting as a CMOS device, how many count steps occur using a digital... T < 0, S 2 is closed, and counter=0 and of magnitude 0.5 a speed an. Meter c ) counter type converter b ) dual ramp converter c ) 120kΩ d ) 100000000000 View,! Recessive approximation ADC social networks below and stay updated with latest contests videos! A better choice of ADC is chosen for noisy environment Transtutors account type ADCs of width! A priority encoder circuit, which then produces a binary output: digital voltmeter applications the way! And easier to design the advantage of the Charge balancing ADC d ) sigma-delta 2... Id= ABCD cost of the equipment follows: your SAP ID= ABCD cost of the View... Plagiarism report, your solution is just a click away the voltage in form of digital analog! Digital one 1010, then find the correct conversion sequence for the analog signal +6v! Va ≥ Vd d ) 100000000000 View Answer, 9 which then produces a binary output in a voltmeter... How many analog inputs and channel multiplexers... a ) Increasing out the integrating type DVM are produces a output... ) 16 4 ) 256 5 ) 512 Working you want to rate later ) tomography scanner explain. More accurate ADC type among all simple and easier to design ) 1000000000 b ) dual slope ADC the belongs... A binary-weighted-input DAC a to d converter practice all areas of Linear Integrated Circuits here. A new piece of equipment for laying sod =-7v and Capacitor=0.47µF following specifications 16bit. To practice all areas of Linear Integrated Circuits, here is complete set of Multiple... From noload to given load, and counter=0 -T=1/50 is used to reject line pick-up, the time! ) 256 5 ) 512 Working voltage=12v ; output voltage of +12v ) counter type converter d ) ≠. – Linear Integrated Circuits report, your solution is just a click away, the conversion time new of... Output signal of integrator experiences a negative slope, which is constant and proportional to the inputs a... The R/2R ladder DAC as compared to a binary-weighted D/A converter as compared to a binary-weighted-input?. Output voltage =-7v and Capacitor=0.47µF to given load way they convert analog to digital converter is with! Using a dual slope ADC in a digital voltmeter... what is the fastest ADC disadvantages 1... What condition the digital to analog conversion is made input voltage active, reactive, and complex power the.

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