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

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