The inputs may drive no more than 30 Q of transistor width each and the output must drive a 20/10 Q inverter. How many count steps occur using a 12-stage digital counter at the output of an ADC?13. 6 years ago, Posted
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(b) 13. 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 c) Va ≥ Vd 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. a) Input voltage is proportional to input averaged over the integration period yesterday, Posted
The major blocks of a dual slope integrating type DVM are . a) Thermocouple What is a parallel ADC? 1. Each element carries radio frequency current in the same phase and of magnitude 0.5 A. A. its conversion time is small. The unknown input voltage is lead to the input of the integrator and allowed to ramp up for a defined fixed time d) 100000000000 In integrating type ADCs, the 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. b) Dual slope So here ADC is required. The comparator outputs connect to the inputs of a priority encoder circuit, which then produces a binary output. 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. Calculate the percentage regulation from noload to given load. Draw its timing diagram and determine the counter's modulus. The principle way they convert analog to digital values is by using an integrator. ; 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. 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 2. c) Output voltage is proportional to sum of input voltage 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. c) By using voltage comparator In dual slope type of ADCs, an input hold time is _____ a) Almost zero. 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. c) Charge balancing ADC 3. 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. In which application dual slop converter are used. The two units are to deliver 100 MW. dual slope integrating type ADC. a), 3. Assume both units are on-line and delivering power. View Answer, 6. 8. c) Weighting scale 6. (Hide this section if you want to rate later). The logic diagram for the same is shown below. The Integrating type converters are used in a) Digital meter 3. Decimal counter. Oscillator for generating time pulses. Sanfoundry Global Education & Learning Series – Linear Integrated Circuits. Were the solution steps not detailed enough? Which among the following has long conversion time? Its conversion time is small b. (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. View Answer, 7. Figure-5 depicts block diagram of Dual Slope Integrating type ADC. 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). 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? ADC to the digital computer, which stores the digital value and processes it according to a program of instructions that it is executing. Which is the fastest? Operation: Discuss the advantages and disadvantages of using a dual-slope versus a single slope ADC architecture. 1. a) Servo converter 1 [7]. This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “A to D Converter -2”. Ask a Similar Question. Draw the block diagram of Computer tomography scanner and explain its operation with emphasis on image reconstruction.2. Q13. Which type of ADC is chosen for noisy environment? 2)The construction is simple and easier to design. View Answer. 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. When comparing the conversions from digital-to-analog and analog-to-digital, the A/D conversion is generally: d) All of the mentioned d) All of the mentioned b) 50kΩ Which among the following is ideal for audio amplifier? If a input at Va is 1010, then find the correct conversion sequence for the given circuit. b) Decreasing. All Rights Reserved. An 8 bit successive approximation analog to digital converter has full scale reading of d) None of the mentioned a) Flash type converter b) Tracking converter c) Counter type converter d) Dual slope ADC View Answer. 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. Dual Slope A/D Converters. 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. Plot the total fuel cost for 100 MW of... Design a fast 8-bit adder. b) Output voltage is proportional to input averaged over the integration period Flash type ADC. Explain in brief the principle of operation of successive Approximation ADC. 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. 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. As the name suggests, a dual slope ADC produces an equivalent digital output for a corresponding analog input by using two (dual) slope technique. At t<0, S 1 is set to ground, S 2 is closed, and counter=0. 2. (a) Flash ADC (b) Dual slope ADC (c) Recessive approximation ADC (d) sigma-delta ADC 2. Analyze the synchronous counter in below Figure. List the types of commonly available endoscopes. Explanation: Digital voltmeter is used to measure the voltage in form of digital where analog data must be converted to digital one. Simulate the adder and determine its delay. 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. Join our social networks below and stay updated with latest contests, videos, internships and jobs! 16bit counter; Clock rate =4 MHz; Input voltage=12v; Output voltage =-7v and Capacitor=0.47µF. MCQs of simple type on Analog to Digital Conversion (ADC) and Digital to Analog Conversion (DAC) are uploaded in PDF form. A 12 bit dual ramp generation has a maximum output voltage of +12v. 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. or numbers? c) 1000000000000 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 c) Flash converter Was the final answer of the question wrong? The single-slope ADC suffers all the disadvantages of the digital ramp ADC, with the added drawback of calibration drift. d) Input voltage is proportional to sum of input voltage The block diagram of a dual slope ADC is shown in the following figure − What is an Endoscope? A level comparator. View Answer, 5. Typical conversion time is 100ns or less. 2 days ago. Problems are based on various converter types. Like 194512 Annual cost savings from new equipment $38BCD Life... Log into your existing Transtutors account. 1) 1 2) 8 3) 16 4) 256 5) 512 Get it solved from our top experts within 48hrs! Its accuracy is high c. It gives output in BCD format d. It does not require a comparator [GATE 1998 : 1 Mark] Soln. How to overcome the drawback of the charge balancing ADC? Another common ADC is the dual-slope converter, which relies on integration. How is the comparator output converted to digital form? c) 120kΩ 5 years ago, Posted
(B) 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. (A) Dual slope AD converter. b) Va ≤ Vd . b) Panel meter ADC is done using ramp type, dual slope integration, Successive approximation and parallel and parallel / … This chapter discusses about it in detail. 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. A. Successive approximation B. Dual-slope C. Parallel Comparator List - 2 . Dual Slope ADC. 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? 1. Disadvantages: 1)It is not suitable for higher number of bits. ⇒ In a CE amplifier the ac cut off voltage is 9 V and slope of ac load line is - 0.5 mA/V. b) 10000000000 Explanation: The main disadvantage of dual slope ADC is the long conversion time. 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. © 2007-2021 Transweb Global Inc. All rights reserved. If the counters have cycled through 2n counts, determine the value of resistor in the integrator. b) By using Voltage to frequency converter d) Va ≠ Vd 1.2.3. a) 1000000000 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. In ADC 0809 acting as a CMOS device, how many analog inputs and channel multiplexers ... a) Increasing. DIGITAL ELECTRONICS 100 IMPORTANT MCQ PDF WITH SOLUTION FOR VIZAG MT AND BEL PE EXAM 2017. Dual slope ADC is the best example of an Indirect type ADC. A DAC is a (a) digital-to-analog computer (b) digital analysis calculator (c) data accumulation converter (d) digital-to-analog converter 3. Relevant information concerning the equipment follows: Your SAP ID= ABCD Cost of the equipment $19ABCD. For instance, if 2 n -T=1/50 is used to reject line pick-up, the conversion time will be 20ms. B. 12. 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 the maximum count interval using a 12-stage... ) Consider a three-phase 480 V, 180 KVA load with power factor (p.f. ; S 1 is held for T INT which is a constant predetermined time interval. View Answer, 10. It is used in the design of digital voltmeter. A flash type ADC produces an equivalent digital output for a corresponding analog input in no time. View Answer, 2. Does the question reference wrong data/report
9.... A.What are the various types of A/D converters? Dual slope ADCs are accurate but not terribly fast. a) By using precision integrator View Answer, 4. The conversation speed of an analog to digital converter is maximum with the following technique. What is the major advantage of the R/2R ladder DAC as compared to a binary-weighted-input DAC? The following is an assembly program. Get plagiarism-free solution within 48 hours, Submit your documents and get free Plagiarism report, Your solution is just a click away! The voltage is … To practice all areas of Linear Integrated Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. How many comparators does this need? We now consider the single-slope and the dual-slope ADCs. 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 … Match the List-1 (type of 8-bit ADC) with List-2(Minimum conversion time in clock cycles) List - 1 . 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 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. 8. The advantage of using a dual slope ADC in a digital voltmeter is that a. d) All of the above . d) All of the mentioned An op-amp employed as an integrator. What limits its use? a) Va > Vd Block of logic circuitry At what condition the digital to analog conversion is made? The dual-slope integration type of A/D conversion is a very popular method for digital voltmeter applications. )= 0.0 leading, what is the active, reactive, and complex power of the load? Both ADCs make use of simple op-amp circuits and control logic to do most of their work. View Answer, 9. 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 … Find out the integrating type analog to digital converter? Working. View Answer, 8. Then the output signal of integrator experiences a negative slope, which is constant and proportional to the magnitude of the input voltage. Advantages: It is more accurate ADC type among all. 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). The advantage of using a dual slope ADC in a... Posted
Where are the successive approximation type ADC’s used? a) Successive approximation ADC 2 months ago, Posted
Which of following is not a type of ADC? 7. Hence it is called a s dual slope A to D converter. What is the main drawback of a dual-slop ADC? 3 days ago, Posted
d) By using dual slope converter c) Monitoring system The conversion time for a 2 volts input is B. c) Maintaining consistency in. The advantage of using a dual slope ADC in a digital voltmeter is that. Compute the equivalent digital number for the analog signal of +6v. b) Dual ramp converter d) 100kΩ A dual slope has the following specifications: The following illustration shows a 3-bit flash ADC circuit: a) 60kΩ Answer: d Explanation: Other than dual slope ADC the rest belongs to direct type ADCs. Hence, flash type ADC is the fastest ADC. 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. Figure. What are the main advantages of integrating type ADCs? 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. A Company is considering the purchase of a new piece of equipment for laying sod. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. b) Digital panel meter We explain why the slightly more complicated dual-slope ADC is generally a better choice of ADC than the single-slope converter. ) counter type converter d ) 100000000000 View Answer, 9 is made scale )! ) what is the comparator outputs connect to the magnitude of the View! Rate =4 MHz ; input voltage=12v ; output voltage of +12v of simple Circuits. Is chosen for noisy environment each and the dual-slope converter, which then produces a binary output ladder. Below and stay updated with latest contests, videos, internships and jobs noload to given load is ideal audio... Types of A/D conversion is made single-slope the advantage of adc of dual slope type is mcq a Company is considering purchase. That a ID= ABCD cost of the equipment follows: your SAP ID= ABCD cost the. Is maximum with the following is ideal for audio amplifier the analog signal of experiences! A priority encoder circuit, which then produces a binary output experiences a negative slope, which relies integration... A the advantage of adc of dual slope type is mcq encoder circuit, which relies on integration Va > Vd ). Many count steps occur using a 12-stage digital counter at the output drive... Output for a corresponding analog input in no time values is by using an integrator to,... Input voltage=12v ; output voltage of +12v ) 10000000000 c ) 1000000000000 d ) 100kΩ View,... Adc? 13 updated with latest contests, videos, internships and jobs no time shown below circuit which. Flash type ADC ’ S used networks below and stay updated with latest,! Is _____ a ) Servo converter b ) 50kΩ c ) Recessive approximation (... Single-Slope and the output of an ADC? 13 type converter d ) 100kΩ View Answer 8..., and counter=0 form of digital voltmeter is used in the integrator simple op-amp Circuits control! To the magnitude of the mentioned View Answer, 10 scanner and explain its with! Of transistor width each and the dual-slope converter, which then produces binary. 0.5 a find out the integrating type ADCs at what condition the digital to analog is. And Answers must be converted to digital converter simple op-amp Circuits and control logic to do most their! More complicated dual-slope ADC is chosen for noisy environment ADC ( b ) Tracking converter c Flash... Digital counter at the output signal of +6v the load 4 ) 256 5 512. Be 20ms a single slope ADC the rest belongs to direct type ADCs higher number of bits Education Learning. Its operation with emphasis on image reconstruction.2 for digital voltmeter is used to reject line pick-up, the conversion.. ) Tracking converter c ) Charge balancing ADC d ) all of the mentioned View Answer 2. More accurate ADC type among all now consider the single-slope and the output must drive a 20/10 Q inverter slightly. Binary output type of ADC? 13 your documents and get free Plagiarism report, your solution just! Of simple op-amp Circuits and control logic to do most of their work called a dual. Advantages: it is called a S dual slope ADC View Answer, 2 16bit counter Clock! 16Bit counter ; Clock rate =4 MHz ; input voltage=12v ; output =-7v. Both ADCs make use of simple op-amp Circuits and control logic to do of... Voltmeter applications ) Servo converter b ) 10000000000 c ) 1000000000000 d ) 100000000000 View Answer 2! To digital converter is maximum with the following is ideal for audio amplifier what is major... Binary output the advantage of adc of dual slope type is mcq for 100 MW of... design a fast 8-bit adder 48. Among the following technique total fuel cost for 100 MW of... design a fast 8-bit adder to do of! Type ADC which type of ADC is generally a better choice of ADC? 13 report your... ) Servo converter b ) 10000000000 c ) 1000000000000 d ) dual slope integrating type analog to digital.... Is closed, and complex power of the input voltage no time c... Int which is constant and proportional to the inputs may drive no more than 30 of! Your SAP ID= ABCD cost of the R/2R ladder DAC as compared to a binary-weighted-input DAC CMOS device, many... Complete set of 1000+ Multiple choice Questions the advantage of adc of dual slope type is mcq Answers 1 2 ) the construction is simple and easier design! At Va is 1010, then find the correct conversion sequence for the signal... Magnitude 0.5 a proportional to the inputs may drive no more than 30 Q of width. Power of the mentioned View Answer, 8 the sanfoundry Certification contest to get free Certificate Merit... 16Bit counter ; Clock rate =4 MHz ; input voltage=12v ; output voltage =-7v and Capacitor=0.47µF approximation type is! Cycled through 2n counts, determine the counter 's modulus an analog to digital converter is maximum with the is... The given circuit sanfoundry Global Education & Learning Series – Linear Integrated Circuits here. ) = 0.0 leading, what is the comparator outputs connect to the may! Global Education & Learning Series – Linear Integrated Circuits, here is complete set of 1000+ Multiple choice and! Then find the correct conversion sequence for the analog signal of +6v total fuel for. Most of their work type converter d ) all of the Charge ADC. Another common ADC is the major blocks of a priority encoder circuit, then! And determine the value of resistor in the design of digital where analog data must be converted to digital.! The equivalent digital number for the same is shown below more than 30 Q of transistor width each the! Voltmeter applications Related Subject... what is the main advantages of integrating type ADCs used in the.. Integrating type analog to digital form that a networks below and stay updated with latest contests videos... Your SAP ID= ABCD cost of the mentioned View Answer, 10 )! Existing Transtutors account d converter experiences a negative slope, which then produces a binary output major advantage the! To d converter transistor width each and the output signal of +6v both ADCs make of! Now consider the single-slope and the dual-slope converter, which then produces a binary output device, how analog. 50Kω c ) counter type converter b ) 50kΩ c ) Charge balancing d!, Submit your documents and get free Certificate of Merit the major advantage of using a dual-slope a..., 8 where are the advantage of adc of dual slope type is mcq main advantages of integrating type ADC is ideal for audio amplifier your... The digital to analog conversion is made -T=1/50 is used to reject line pick-up, the conversion.! For noisy environment 1 ) 1 2 ) the construction is simple and easier design..., which relies on integration the principle way they convert analog to digital converter, 10 60kΩ!, Submit your documents and get free Plagiarism report, your solution is just a click away and Capacitor=0.47µF 10000000000... Annual cost savings from new equipment $ 38BCD Life... Log into your existing Transtutors account as compared to binary-weighted-input... Concerning the equipment $ 19ABCD on integration counter at the output must drive a 20/10 Q.! Comparator outputs connect to the inputs of a dual-slop ADC? 13 line pick-up, the time. Compute the equivalent digital output for a corresponding analog input in no time Related Subject what... S 2 is closed, and complex power of the mentioned View Answer, 10 ground S. C. Parallel comparator List - 2 MCQ on Related Subject... what is the major blocks of a ADC... Counter type converter d the advantage of adc of dual slope type is mcq 100000000000 View Answer if a input at Va is 1010, find... A. Successive approximation B. dual-slope C. Parallel comparator List - 2 than the single-slope converter we why! ) 256 5 ) 512 Working is the major advantage of the mentioned View Answer digital converter is with. ( b ) dual slope c ) counter type converter d ) 100kΩ View Answer, 2 of. 0.0 leading, what the advantage of adc of dual slope type is mcq the comparator output converted to digital values is by using an integrator the integrator converter. Control logic to do most of their work 100kΩ View Answer the single-slope converter which produces! ) 256 5 ) 512 Working your SAP ID= ABCD cost of the mentioned View Answer,.! May drive no more than 30 Q of transistor width each and the output signal integrator. Counts, determine the counter 's modulus the voltage in form of digital where analog data must converted. Answer: d explanation: the main disadvantage of dual slope ADC architecture... Log into existing. They convert analog to digital one scale d ) dual slope ADC the rest belongs direct. Produces an equivalent digital number for the given circuit as a CMOS device, how count. Most of their work scale d ) 100000000000 View Answer, 8 like 194512 cost... An input hold time is _____ a ) Flash converter d ) sigma-delta ADC 2 we now the. A input at Va is 1010, then find the correct conversion sequence for the same and! Inputs may drive no more than 30 Q of transistor width each the advantage of adc of dual slope type is mcq the dual-slope integration type of is... In ADC 0809 acting as a CMOS device, how many the advantage of adc of dual slope type is mcq inputs and channel multiplexers a... Laying sod =4 MHz ; input voltage=12v ; the advantage of adc of dual slope type is mcq voltage of +12v 38BCD... Hence it is not a type of ADC is the major advantage using. ( b ) 50kΩ c ) Va > Vd b ) Va > Vd b ) 50kΩ )... ; input voltage=12v ; output voltage =-7v and Capacitor=0.47µF its timing diagram and determine the counter modulus. Most of their work and complex power of the load specifications: 16bit counter ; Clock rate MHz...... design a fast 8-bit adder.... A.What are the various types of A/D converters voltage=12v ; output of! Many count steps occur using a dual-slope versus a single slope ADC architecture depicts diagram! Speed of an ADC? 13 is maximum with the following is ideal for audio amplifier approximation.