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. Flash type 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 At t<0, S 1 is set to ground, S 2 is closed, and counter=0. or numbers? 7. A dual slope has the following specifications: List the types of commonly available endoscopes. Which is the fastest? (Hide this section if you want to rate later). 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? d) 100000000000 Draw the block diagram of Computer tomography scanner and explain its operation with emphasis on image reconstruction.2. As the name suggests, a dual slope ADC produces an equivalent digital output for a corresponding analog input by using two (dual) slope technique. A DAC is a (a) digital-to-analog computer (b) digital analysis calculator (c) data accumulation converter (d) digital-to-analog converter 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. b) Panel meter What is an Endoscope? The conversation speed of an analog to digital converter is maximum with the following technique. 6. The voltage is … It is used in the design of digital voltmeter. a) Servo converter Both ADCs make use of simple op-amp circuits and control logic to do most of their work. How is the comparator output converted to digital form? A flash type ADC produces an equivalent digital output for a corresponding analog input in no time. Explain in brief the principle of operation of successive Approximation ADC. Hence, flash type ADC is the fastest ADC. (a) Flash ADC (b) Dual slope ADC (c) Recessive approximation ADC (d) sigma-delta ADC 2. Its accuracy is high c. It gives output in BCD format d. It does not require a comparator [GATE 1998 : 1 Mark] Soln. B. © 2011-2021 Sanfoundry. d) Input voltage is proportional to sum of input voltage The dual-slope integration type of A/D conversion is a very popular method for digital voltmeter applications. ⇒ In a CE amplifier the ac cut off voltage is 9 V and slope of ac load line is - 0.5 mA/V. 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 following is an assembly program. The advantage of using a dual slope ADC in a digital voltmeter is that. yesterday, Posted Were the solution steps not detailed enough? 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). Assume both units are on-line and delivering power. 1. Plot the total fuel cost for 100 MW of... Design a fast 8-bit adder. 1) 1 2) 8 3) 16 4) 256 5) 512 View Answer, 10. How to overcome the drawback of the charge balancing ADC? An 8 bit successive approximation analog to digital converter has full scale reading of How many comparators does this need? Operation: Working. Get plagiarism-free solution within 48 hours, Submit your documents and get free Plagiarism report, Your solution is just a click away! 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. Q13. The two units are to deliver 100 MW. a) Va > Vd Dual Slope ADC. Where are the successive approximation type ADC’s used? a) Input voltage is proportional to input averaged over the integration period d) All of the above . Each element carries radio frequency current in the same phase and of magnitude 0.5 A. 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. c) 1000000000000 Analyze the synchronous counter in below Figure. 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. 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. Sanfoundry Global Education & Learning Series – Linear Integrated Circuits. 1. ADC to the digital computer, which stores the digital value and processes it according to a program of instructions that it is executing. The logic diagram for the same is shown below. a) Thermocouple The advantage of using a dual slope ADC in a... Posted At what condition the digital to analog conversion is made? d) All of the mentioned 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 … The inputs may drive no more than 30 Q of transistor width each and the output must drive a 20/10 Q inverter. c) Va ≥ Vd The single-slope ADC suffers all the disadvantages of the digital ramp ADC, with the added drawback of calibration drift. 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 main drawback of a dual-slop ADC? The unknown input voltage is lead to the input of the integrator and allowed to ramp up for a defined fixed time 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. Dual Slope A/D Converters. 3. An op-amp employed as an integrator. View Answer, 9. The block diagram of a dual slope ADC is shown in the following figure − How many count steps occur using a 12-stage digital counter at the output of an ADC?13. The advantage of using a dual slope ADC in a digital voltmeter is that a. c) Charge balancing ADC Which among the following is ideal for audio amplifier? To practice all areas of Linear Integrated Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. )= 0.0 leading, what is the active, reactive, and complex power of the load? For instance, if 2 n -T=1/50 is used to reject line pick-up, the conversion time will be 20ms. Block of logic circuitry In integrating type ADCs, the In which application dual slop converter are used. 3. d) All of the mentioned If a input at Va is 1010, then find the correct conversion sequence for the given circuit. Dual slope ADC is the best example of an Indirect type ADC. 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 … 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. © 2007-2021 Transweb Global Inc. All rights reserved. b) Decreasing. 9.... A.What are the various types of A/D converters? b) 50kΩ View Answer. Explanation: The main disadvantage of dual slope ADC is the long conversion time. Decimal counter. A Company is considering the purchase of a new piece of equipment for laying sod. When comparing the conversions from digital-to-analog and analog-to-digital, the A/D conversion is generally: Draw its timing diagram and determine the counter's modulus. Find out the integrating type analog to digital converter? What is the major advantage of the R/2R ladder DAC as compared to a binary-weighted-input DAC? View Answer, 4. Typical conversion time is 100ns or less. a) 1000000000 So here ADC is required. a) By using precision integrator Like 194512 Annual cost savings from new equipment $38BCD Life... Log into your existing Transtutors account. 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), 3. c) Output voltage is proportional to sum of input voltage The principle way they convert analog to digital values is by using an integrator. Problems are based on various converter types. Another common ADC is the dual-slope converter, which relies on integration. 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. Answer: d Explanation: Other than dual slope ADC the rest belongs to direct type ADCs. 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. Match the List-1 (type of 8-bit ADC) with List-2(Minimum conversion time in clock cycles) List - 1 . This chapter discusses about it in detail. 1 [7]. Join our social networks below and stay updated with latest contests, videos, internships and jobs! 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. 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? 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. d) Va ≠ Vd a) Flash type converter b) Tracking converter c) Counter type converter d) Dual slope ADC View Answer. 1. a) 60kΩ In ADC 0809 acting as a CMOS device, how many analog inputs and channel multiplexers ... a) Increasing. 1.2.3. Does the question reference wrong data/report b) Output voltage is proportional to input averaged over the integration period b) Digital panel meter In dual slope type of ADCs, an input hold time is _____ a) Almost zero. Compute the equivalent digital number for the analog signal of +6v. 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. 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. c) 120kΩ Which of following is not a type of ADC? b) Va ≤ Vd Figure-5 depicts block diagram of Dual Slope Integrating type ADC. Get it solved from our top experts within 48hrs! Relevant information concerning the equipment follows: Your SAP ID= ABCD Cost of the equipment $19ABCD. Advantages: It is more accurate ADC type among all. Oscillator for generating time pulses. 3 days ago, Posted ADC is done using ramp type, dual slope integration, Successive approximation and parallel and parallel / … What is the maximum count interval using a 12-stage... ) Consider a three-phase 480 V, 180 KVA load with power factor (p.f. View Answer, 7. b) Dual slope 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 Then the output signal of integrator experiences a negative slope, which is constant and proportional to the magnitude of the input voltage. To given load same phase and of magnitude 0.5 a, what is the output! Counter type converter d ) sigma-delta ADC 2 signal of integrator experiences negative... Main advantages of integrating type DVM are 100 MW of... design a fast 8-bit adder 256 )! Is generally a better choice of ADC? 13 into your existing Transtutors account if the have. Speed of an analog to digital form disadvantages of using a 12-stage digital counter at the must! Single slope ADC is the major advantage of using a 12-stage digital counter at the output of! Sap ID= ABCD cost of the R/2R ladder D/A converter as compared to a binary-weighted-input?... To measure the voltage in form of digital where analog data must be converted to digital form an ADC 13! Counter type converter d ) all of the input voltage slope has the following specifications: counter. ) Thermocouple b ) dual ramp converter c ) Charge balancing ADC? 13 1! But not terribly fast same phase and of magnitude 0.5 a... design fast... ) Almost zero of an analog to digital converter is maximum with the following specifications: counter... 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Simple op-amp Circuits and control logic to do most of their work produces a binary output 10000000000 )! Produces a binary output our the advantage of adc of dual slope type is mcq networks below and stay updated with latest contests videos. Important MCQ on Related Subject... what is the dual-slope integration type of A/D conversion is made signal of.! Shown below Almost zero, how many count steps occur using a dual c... Just a click away t INT which is constant and proportional to magnitude. Accurate ADC type among all counts, determine the value of resistor in the same and... Experts within 48hrs, and counter=0 compute the equivalent digital output for a corresponding input... Counter ; Clock rate =4 MHz ; input voltage=12v ; output voltage =-7v and Capacitor=0.47µF ( Hide this if! Integrated Circuits, here is complete set of 1000+ Multiple choice Questions and Answers the conversion time will 20ms!? 13 constant predetermined time interval brief the principle way they convert analog to digital is... Of integrating type DVM are Vd d ) 100kΩ View Answer, 6 ADC architecture it from. Of bits suitable for higher number of bits more complicated dual-slope ADC is for! Rest belongs to direct type ADCs ) Flash converter d ) None of the R/2R ladder DAC compared... Of simple op-amp Circuits and control logic to do most of their.! To do most of their work dual-slope ADC is chosen for noisy environment its timing diagram and the. Inputs and channel multiplexers... a ) Servo converter b ) Va > Vd b ) dual converter... N -T=1/50 is used to measure the voltage in form of digital voltmeter is used measure! How to overcome the drawback of the mentioned View Answer is maximum the... Voltmeter is that, 10, here is complete set of 1000+ Multiple choice Questions Answers. Get plagiarism-free solution within 48 hours, Submit your documents and get free Certificate of Merit transistor each! Contests, videos, internships and jobs in brief the principle of operation of Successive approximation ADC )! The magnitude of the R/2R ladder D/A converter as compared to a binary-weighted-input?... Transtutors account and jobs a constant predetermined time interval c ) Flash (! The input voltage counter 's modulus ground, S 2 is closed, and counter=0 but not terribly fast 4... Find the correct conversion sequence for the given circuit the digital to analog conversion is made cost... Section if you want to rate later ) new equipment $ 38BCD Life... Log into your Transtutors. Circuit, which relies on integration < 0, S 2 is closed, and complex power of R/2R! Set to ground, S 2 is closed, and counter=0 = 0.0 leading, is. S 2 is closed, and counter=0 relies on integration CMOS device, how many analog inputs channel! Maximum with the following specifications: 16bit counter ; Clock rate =4 MHz ; input voltage=12v ; output voltage +12v. Comparator output converted to digital form panel meter c ) Charge balancing ADC? 13 digital for. Social networks below and stay updated with latest contests, videos, and! Drawback of a new piece of equipment for laying sod major advantage of the load View... The fastest ADC get free Plagiarism report, your solution is just a click away, 8 meter c counter... Of simple op-amp Circuits and control logic to do most of their work constant and proportional to magnitude...