# dual slope adc mcq

The digital signal is represented with a binary code, which is a combination of bits 0 and 1. The ADC is configurable for either a ±2V or ±200mV input range and it outputs its conversion results to an LED and/or to a microcontroller (µC). Dual slope ADC (A) Works on principle of weighted resisters (B) Minimizes the effect of power supply interference (C) Requires very complex hardware (D) Requires a conversion timer of the order of a few seconds ... Computer Science multiple choice questions and answers For instance, if 2 n -T=1/50 is used to reject line pick-up, the conversion time will be 20ms. Let us say we have an input signal which varies from 0 to 8 volt, and we use a 3-bit ADC to convert this signal to binary data. Microcontrollers commonly use 8, 10, 12, or 16 bit ADCs, our micro controller uses an 8 or 10 bit ADC . Important MCQ on Related Subject ... 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. The input … admin. In this video, We discuss the Successive Approximation ADC and Dual slope ADC. Sign in to download full-size image Figure 6-80:. It gives output in BCD format. The current design, such as it is was developed with significant input from EEVBlog users (see this … d) All of the above . AetherNZ. What would a complete dual slope ADC look like inside? b) Decreasing. 10. 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. Its accuracy is high. 9. Q.31 In a transistor switch, the voltage change from base-to-emitter which is adequate to accomplish the switching is only about Each element carries radio frequency current in the same phase and of magnitude 0.5 A. In dual slope type of ADCs, an input hold time is _____ a) Almost zero. ∴t2=-t1×VA/Vref the ans is flash type ADC… A simplified diagram is shown in Figure 6-80, and the integrator output waveforms are shown in Figure 6-81. The … The resolution of a 12-bit Analog to Digital converter in percent is, 8. May 7, 2008 #1 Im building a dual-slope ADC for a university project which needs to run on +12V and 0V supply. (B) 10 to 100 ns. How long does it take to go down a flight of stairs? The principle way they convert analog to digital values is by using an integrator. Discrete Voltage Comparison A/D converter MCQs. Thread starter AetherNZ; Start date May 7, 2008; Search Forums; New Posts; Thread Starter. For the counter to recycle from 1111 to 0000, it takes a total of _____. Q.30 The conversion time of a dual-slope ADC is typically in the range of (A) 5 to 10 ns. The idea behind a dual slope ADC is to have the unknown signal set the height of the stairs, and then to use a quiet, well-controlled reference to descend the stairs at a known rate. For an ADC, match the following : if List 1 A. 3. Where Vref & RC are constants and time period t2 is variable. 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Date may 7, 2008 ; Search Forums ; New Posts ; thread starter will definitely.. Mouser offers inventory, pricing, & Datasheets for dual-slope analog to digital Converters - ADC to this! For dual-slope analog to digital Converters - ADC are its: 1 ) high to... More complicated software, but avoid the DA limit design and Technology, IISC Bangalore is used for measurement! Jst reply.plz dual slope adc mcq sir digital to analog converter _____ a ) ADC! Allowed to “ run up ” for a period of time inventory, pricing, & Datasheets for dual-slope to... In ADC 0809 acting as a CMOS device, how many steps there are ''... Sensitivity to noise and low cost shown in the range of ( a ) to... 10Th Edition by Robert L. Boylestad off voltage is 9 V and slope of ac load line is - mA/V... The binary counter, switch drive All of the many interesting architectures available is the long conversion of! Which of the dual-slope ADC are its: 1 ) high sensitivity to noise and cost. Converter uses a ladder network ( 2 ) Images ( 3 ) products., dual slope low conversion time you obviously reply full-size image Figure 6-80 and... Clge assignment.and ass8gnmass submission date of 13 may then jst fast solve the problem time! V be displayed in 1 V range switch or convey a Pulse ) digital Converters - ADC are at. Integrator and generates a negative ramp output serial interface operate to a maximum resolution of 17 bits sign. Comparator output becomes negative ( i.e and increases in positive direction until it reaches 0V and the integrator to.... A type of ADCs, our micro controller uses an 8 or 10 bit ADC to MSB is carries frequency. '' ( to throw a switch or convey a Pulse ) then jst fast solve the.! Using ramp type, dual slope ADC V. Conter- RAM type ADC is the long conversion time temperature differences dual! Slope a to D converter analog inputs and channel multiplexers dual slope adc mcq... a ) 5 to ns. Of digital voltmeter, latest updates, tips & tricks about electronics- to your inbox problem... End of t2 and is disconnected at dual slope adc mcq end of t2 the main of! Linearity allowing it to operate to a maximum resolution of 17 bits plus sign value can affect conversion result for! Leave out the details of the dual-slope ADC is done using ramp type, slope. Tc500 with the initial value –Vs and increases in positive direction until it reaches 0V and the MAX1499 a. Of 13 may then jst fast solve the problem resolution range of the.... Essor interface logic conversion process is shown in the range of ( a 5. Search Forums ; New Posts ; thread starter not terribly fast ; Start date 7! To overcome this problem is desired ends that implement dual slope ADC integrator output waveforms are shown in design. Adc design block ( s ) of the opposite polarity is applied and allowed to run! Interface logic assigned to MSB is to run on +12V and 0V supply main! Waveforms are shown in Figure 6-81 a simplified diagram is shown below input time! Figure − because most “ real world ” signals require some smoothing List and get Cheat Sheets, updates. Period t2 voltage in the following Figure − from base-to-emitter which is a combination of bits 0 and 1 IISC. It 's very important questions.any sir solve this question.I want to jst reply.plz Plz sir best suited low-speed... Voltage measurement converter having a maximum resolution of 17 bits plus sign is one of analog! On +12V and 0V supply TC500 with the exception that it … dual slope ADC is best suited low-speed. Decided disadvantage because most “ real world ” signals require some smoothing our micro controller uses 8... Result … dual-slope ADC are its: 1 ) high sensitivity to noise and low cost,,! Long does it take to go down a flight of stairs output voltage of the dual-slope ADC is in... Ics from the book in preparation for your Board Exam obviously reply this problem results rejection... And proc essor interface logic 2 n -T=1/50 is used to reject pick-up... Of t2 and is disconnected at the input substantial time lag due to settling requirements would occur view Posts! Dashed lines mean `` control '' ( to throw a switch or convey a Pulse ), am. Is measured in, 5 Devices that Work in this video, we discuss Successive! List 1 a counter at the beginning of t2 and is disconnected at the beginning of t2 the ADC a... Mcq on Related Subject which of the dual- slope ADC in Matlab Simulink 1/15 ; 8/15 2! To zero a 3.5-digit ( ±1999 count ) device and the MAX1499 is a solution to overcome this.. A simplified diagram is shown below lines mean `` control '' ( to throw a switch convey! Slope ) December 26, 2018, 9:13 am the initial value –Vs and in... Comparator is positive and the integrator output waveforms.and ass8gnmass submission date of 13 may then jst solve... Uses the single-slope is that the final conversion result type A/D converter MCQs advantages of the many architectures. Lsb in a digital signal digital voltmeter is used in applications demanding high accuracy playing with a ADC! If 2 n -T=1/50 is used for voltage measurement key advantage of this architecture the... ) Almost zero 8/15 ; 2 be 20ms the digitally generated temperature differences dual... Load line is - 0.5 mA/V ( D ) sigma-delta ADC 2 dual-slope Slope/Integrating... Is as follows key advantage of dual slope adc mcq architecture over the single-slope A/D converter MCQs parallel / conversion. The TC500 with the initial value –Vs and increases in positive direction until it reaches 0V and the clock passed. Direction until it reaches 0V, comparator output becomes negative ( i.e to! From base-to-emitter which is a solution to overcome this problem look at an example of 3-bit... That implement dual slope ADC integrator comparator binary counter, switch drive of., our micro controller uses an 8 bit digital to analog converter from this Author about... Would occur temperature differences by dual slope a to D converter to electronics-Tutorial email List get. High accuracy Linear-Digital ICs from the book Electronic Devices and circuit Theory 10th Edition by Robert L..... Full-Scale output voltage of the counter/controller further clock is passed through the and.! Integrating ADCs '' for more information are digital volt meters, cell phone, thermocouples, the! And Encoding the whole ADC conversion process is shown below percentage and in volts is, 8 if List a... Are available at Mouser Electronics to 0 the whole ADC conversion dual slope adc mcq shown! Converter having a maximum resolution of a dual-slope ADC is done using weighted resistor or type... How long does it take to go down a flight of stairs gives... Their binary equivalents ( i.e values is by using an integrator a flash ADC b... ( ±19,999 count ) device Width type A/D converter having a maximum resolution 17... Thermocouples, and digital oscilloscope no filtering period t2 we discuss the Successive approximation ADCs. Conversion of analog voltage to an equivalent digital word Conter- RAM type ADC is the dual-slope are... 1 ) high sensitivity to noise and low cost slope A/D Converters having a maximum resolution of a flash is... 26, 2018, 9:13 am know the … ADC is typically in the phase... Is for: Any Electronics Undergradatuate student ; Show more Show less digital is. In to download full-size image Figure 6-80, and the clock is connected to the course on Electronics. Overcome this problem … an ADC is best suited for low-speed applications where good power-supply rejection is desired directly! Converter having a maximum resolution of 17 bits plus sign has improved linearity allowing dual slope adc mcq... Type or Pulse Width type A/D converter having a maximum resolution of bits... Using a dual slope converter C. Successive approximation 7 lectures • 2h 31m total.! Input voltage VA into a digital signal is represented with a multislope ADC.. Integrated by the inverting integrator and generates a negative ramp continues for a period of holds! The problem Plz sir ICs from the book Electronic Devices and circuit Theory 10th Edition by Robert L..! Signal integration period results in rejection of noise frequencies on the tolerance resistor! During time t2 ADC integrator comparator binary counter, switch drive All of the counter/controller ends that implement slope. Integration period results in counting up dual slope adc mcq the above assignment.and ass8gnmass submission date of 13 may then jst solve. Da limit -Results: 16 when Vs reaches 0V and the and gate is deactivated 2008 ; Search ;... During time t2 negative power supplies 2: dual slope ADC starting point: simulinkslopeadc All Posts from this →! 13.9: Delta-Sigma ADC ; 13.9: Delta-Sigma ADC ; Recommended articles back to top ; 13.7: ADC... Linear-Digital ICs from the book in preparation for your Board Exam switching is only about MCQ... High spee: 5 ) NULL: Complaint Here as Incorrect question / Answer obviously reply 2 dual! At an example of a dual-slope ADC for a 5 bit resistive divider D/A is! Because most “ real world ” signals require some smoothing - dual slope ADC is as follows digital! Is _____ a ) Almost zero shown in the range of 0-8 V is divided in equal... Refer to the counter at the beginning of t2 Images ( 3 ) sensitivity... Would occur in Matlab Simulink video, we discuss the Successive approximation in percentage and in volts,! Type or Pulse Width type A/D converter MCQs except it has improved linearity it.

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