1 Answer

Answer :

Flash ADC is the fastest analogue to digital converter (ADC). But it have low resolution and it required lots of comparators which makes it expensive .

Related questions

Description : Which type of ADC gives high resolution?

Last Answer : Sigma Delta, successive approximation and integrating type analogue to digital converter gives very high resolution but they have slower speed.

Description : Number of comparators required for an 8 bit flash ADC is: (1) 8 (2) 16 (3) 255 (4) 256

Last Answer : Number of comparators required for an 8 bit flash ADC is: 255

Description : The ADC having highest conversion speed is (A) Dual-slope ADC (B) Successive approximation ADC (C) Flash ADC (D) Servo ADC

Last Answer : The ADC having highest conVersion speed is Flash ADC

Last Answer : ADC-Amplifier interface: In most data acquisition system analog to digital converter (ADC) is interfaced with the amplifier. There are different interface architectural schemes. Operational ... . The interaction between analog to digital converter and amplifier affects the system performance.

Description : Describe the various blocks and their functions in pipelined ADC architecture.

Description : Integrating or Dual Slope ADC

Last Answer : Operation: At the start of measurement the counter is reset to zero. So output of flip-flop is zero. This is applied to the switch control. The switch control now connects input voltage (Vin) to ... Then the data from counter is passed to the digital readout for display purpose.

Description : Which is the fastest type of analogue to digital converter?

Last Answer : Flash converter is the fastest type of analogue to digital converter (ADC).

Description : Which is the fastest ADC and why?

Last Answer : Simultaneous type A/D converter(flash type A/D converter) is the fastest because A/D conversion is performed simultaneously through a set of comparators 

Description : List the types of ADCs. Explain working principle of any one type of ADC.

Last Answer : Types : 1. Successive approximation type A/D converter or Potentiometric type 2.Voltage to time or ramp type A/D converter 3.Voltage to frequency or integrating type A/D converter 4.Dual ... analog voltage and reference voltage are converted to ramp signals of different slopes by the integrator.

Description : The number of comparators required in a 4 bit comparator type ADC is (A) 16 (B) 15 (C) 17 (D) 12

Last Answer : The number of comparators required in a 4 bit comparator type ADC is 15

Description : A flash type ADC uses  A) Counter B) Op—amps C) An integrator D) Flip flop

Description : Compare Dual slope DVM and SAR type DVM.

Last Answer : Sr no Dual slope DVM SAR type DVM 1 It is highly accurate It is moderately accurate 2 Cost is high It is inexpensive 3 Two comparator is used One comparator is used ... resolution Good resolution 5 Slow speed High speed 6 Less Error More error

Description : operation of ramp type DVM.

Last Answer : This is given to an input comparator which will compare two signals and generates the output. One input to the input comparator is from the input and another input is from the ramp. This input voltage and ... ground and output is given. This output will stop the flow of purchase from clock

Description : operation of half wave rectifier type AC Voltmeter.

Last Answer :  Half-wave Rectifier Voltmeter The d'Arsonval meter movement only responds to the average or dc value of the current through the moving coil. In order to measure alternating ... ) input voltage signal alternating signal needs to be rectified first by using diode rectifier to produce 

Description : The operation of a ramp type Digital Voltmeter is based on the principle of (A) Voltage-to-current conversion. (B) Voltage-to-time conversion. (C) Current-to-time conversion. (D) Current-to-frequency conversion.

Last Answer : The operation of a ramp type Digital Voltmeter is based on the principle of Voltage-to-time conversion.

Description : What is an Analog-to-Digital Converter (ADC) in Arduino?

Last Answer : An Analog-to-Digital Converter (ADC) in Arduino is a component that converts analog signals, such as temperature or light, into digital signals that can be processed by the microcontroller.

Description : Fig shows a closed tube ABCD containing water at room temperature. End A is heated and end B is cooled. Which of the following statements is correct? (1) Water does not ... circulates in anticlockwise direction inside tube (4) Water circulates clockwise along ADC and anticlockwise along ABC

Description : ABC and ADC are two right triangles with common hypotenuse AC. Prove that angle CAD = angle CAB -Maths 9th

Last Answer : Given, AC is the common hypotenuse. ∠B = ∠D = 90°. To prove, ∠CAD = ∠CBD Proof: Since, ∠ABC and ∠ADC are 90°. These angles are in the semi circle. Thus, both the triangles are lying in the semi ... D are concyclic. Thus, CD is the chord. ⇒ ∠CAD = ∠CBD (Angles in the same segment of the circle)

Description : ABC and ADC are two right triangles with common hypotenuse AC. Prove that angle CAD = angle CAB -Maths 9th

Last Answer : Given, AC is the common hypotenuse. ∠B = ∠D = 90°. To prove, ∠CAD = ∠CBD Proof: Since, ∠ABC and ∠ADC are 90°. These angles are in the semi circle. Thus, both the triangles are lying in the semi ... D are concyclic. Thus, CD is the chord. ⇒ ∠CAD = ∠CBD (Angles in the same segment of the circle)

Description : In the figure, find teh perimeter of the shaded region where. ADC, AEB and BFC are semi-circles on diameters AC, AB and BC respectively. -Maths 10th

Last Answer : Given: Diameter of semicircle AEB= 2.8 cm RADIUS OF SEMICIRCLE(AEB)= 2.8/2= 1.4 cm Diameter of semicircle BFC=1.4 cm RADIUS OF SEMICIRCLE(BFC)= 1.4/2= 0.7 cm Diameter of semicircle ADC= 2.8+1.4 = ... ; .6 = 13.2 cm Hence, the perimeter of the shaded region is 13.2 cm HOPE THIS WILL HELP YOU...

Description : What is the full form of ADC ?

Last Answer : The full form of ADC is Aeitional Deputy Commissioner.

Description : In the above figure, O is the centre of the circle AB,AD and CD are the chords . If `/_ ADC=130^(@)` then fid `/_ ACB`.

Last Answer : In the above figure, O is the centre of the circle AB,AD and CD are the chords . If `/_ ADC=130^(@)` then fid `/_ ACB`.

Description : State the advantages of dual slope ADC

Last Answer :  It provides excellent noise rejection of ac signals whose periods are integral multiples of the integration time T. It is defined as the total time required to convert an analog signal into its ... output. It depends on the conversion technique used & the propagation delay of circuit components.

Description : What is the main drawback of a dual-slop ADC?

Last Answer : The dual slope ADC has long conversion time. This is the main drawback of dual slope ADC

Description : Explain in brief the principle of operation of successive Approximation ADC.

Last Answer : The circuit of successive approximation ADC consists of a successive approximation register (SAR), to find the required value of each bit by trial & error.With the arrival of START command, SAR sets the MSB ... /P signal. This O/P is low or High. This process continues until all bits are checked.

Description : A ______ is a combination load balancer and application server that is a server placed between a firewall or router. a) ABC b) ACD c) ADC d) All of the mentioned

Last Answer : ADC

Description : A ______ is a combination load balancer and application server that is a server placed between a firewall or router. a) ABC b) ACD c) ADC d) All of the mentioned

Last Answer : ADC

Description : . A ______ is a combination load balancer and application server that is a server placed between a firewall or router. a) ABC b) ACD c) ADC d) All of the mentioned

Last Answer : ADC

Description : What is the result if the input of ADC is changing while performing conversion? A

Last Answer : Aperture distortion

Description : Resolution of ADC is defined as a) 1/ (2N – 1) b) 2N-1 c) 1/ (2N-1) d) 2N-1

Last Answer : b) 2N-1

Description : In ADC 0808 if _______ pin high enables output. a) EOC b) I/P0-I/P7 c) SOC d) OE

Last Answer : b) I/P0-I/P7

Description : What are the commonest congenitally missing teeth:VERY CONTROVERSIAL BUT SEE THE SAMPLE QUESTIONS FROM ADC IT’S THE ANSWER A. 12, 22 B. 35, 45 ACC TO CAMERON C. 15, 25 D. 33, 43

Last Answer : A. 12, 22

Description : Which one of the following is true about oral hairy leukoplakia?** ADC M07 A. Associated with HIV virus infection and is commonly seen on the dorsal of the tongue B. Associated with HIV ... Always associated with trauma to the lateral side of the tongue E. Always associated with pernicious anaemia

Last Answer : B. Associated with HIV virus infection and is commonly seen on the lateral side of the tongue C. Usually caused by Candida species

Description : As far as surgical removal of wisdom teeth is concerned, which of the following is true?**CHECK A. Prophylactic prescription of antibiotic reduces dramatically the chances of infection B. Raising ... root E. The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

Last Answer : C. Prophylactic prescription of dexamethasone will dramatically reduces post operative swelling

Description : Loss of sensation in the lower lip may be produced by,CHECK ADC M07 A. Bell’s palsy B. Traumatic bone cyst C. Trigeminal neuralgia D. Fracture in the mandible first molar region E. Ludwig’s angina

Last Answer : D. Fracture in the mandible first molar region E. Ludwig’s angina

Description : Before filling a class V abrasion cavity with GIC you should(+adc March07) A. Clean with pumice, rubber cup, water and weak acid B. Dry the cavity thoroughly before doing anything C. Acid itch cavity then dry thoroughly

Last Answer : A. Clean with pumice, rubber cup, water and weak acid

Description : Is this possible for 4-bit converter if yes then how to calculate the parameters?

Description : State features of ADC 0808.

Last Answer : 1. Easy to interface with all Microprocessors or works Stand alone. 2. Eight channel 8-bit ADC module. 3. Can measure up to 8 Analog values. 4. On chip Clock not available, external Oscillator ... (Clock). 5. Digital output various from 0 to 255, operating power is 15mW, conversion time 100us.

Description : State important specification parameters of ADC

Last Answer : Accuracy Resolution Linearity Conversion time Settling time stability

Description : Define ADC and DAC. Write two applications of each.

Last Answer : ADC An analog to digital converter (ADC), converts any analog signal into quantifiable data, which makes it easier to process and store, as well as more accurate and reliable by ... signal, hence any analog circuit can work with digital system Application - Microcontroller, washing machine