In successive approximation converter input to the comparator is through DAC
Description : The conversation speed of an analog to digital converter is maximum with the following technique. (A) Dual slope AD converter. (B) Serial comparator AD converter. (C) Successive approximation AD converter. (D) Parallel comparator AD converter.
Last Answer : (D) Parallel comparator AD converter.
Description : In successive-approximation A/D converter, offset voltage equal to 1/2 LSB is added to the D/A converter's output. This is done to (A) Improve the speed of operation. (B) Reduce the maximum ... Increase the number of bits at the output. (D) Increase the range of input voltage that can be converted
Last Answer : (B) Reduce the maximum quantization error.
Description : Successive approximation technique is used for
Last Answer : Successive approximation technique is used for A to D Conversion
Description : The A/D converter whose conversion time is independent of the number of bits is (A) Dual slope (B) Counter type (C) Parallel conversion (D) Successive approximation.
Last Answer : Ans: C The A/D converter whose conversion time is independent of the Number of bits is Parallel conversion. (This type uses an array of comparators connected in parallel and comparators compare the input voltage at a particular ratio of the reference voltage).
Description : The speed of conversion is maximum in (A) Successive-approximation A/D converter. (B) Parallel-comparative A/D converter. (C) Counter ramp A/D converter. (D) Dual-slope A/D converter.
Last Answer : Ans: B The speed of conversion is maximum in Parallel-comparator A/D converter (Speed of conversion is maximum because the comparisons of the input voltage are carried out simultaneously.)
Last Answer : For a certain 4 bit successive approximation A/D converter, the maximum ladder output is +8V. if a constant +6V is applied to the analog input the sequence of binary states for the SA register is 0110.
Last Answer : The conversion time of a 12 bit successive approximation A/D converter using a 1 MHz clock is 12μs.
Description : The number of comparators required in a 3-bit comparator type analog to digital converter is A) 2 B) 3 C) 7 D) 8
Last Answer : Number of comparators =2^n -1= 2^3 -1=7
Description : The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of combinations for which the output is logic 1, is (A) 4 (B) 6 (C) 8 (D) 10
Last Answer : The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of combinations for which the output is logic 1, is 6
Description : Where can I find the detailed information about Successive Approximation method and discrete newton method？?
Last Answer : answer:A DISCRETE NEWTON ALGORITHM FOR MINIMIZING A FUNCTION OF MANY VARIABLES SUCCESSIVE APPROXIMATIONS
Description : Where are the successive approximation type ADC’s used?
Last Answer : The Successive approximation ADCs are used in applications such as data loggers & instrumentation where conversion speed is important.
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 : Draw block diagram of successive approximation digital voltmeter. State its two advantages and two disadvantages
Last Answer : Block diagram Or Advantages: o It is economical method of analog to digital conversion. o The resolution is up to 5 important digits are obtained. Disadvantages: o ... depends on which type of switches are used. o The conversion time required for digital to analog converter.
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 : What are the functions of a converter-comparator group?
Last Answer : The comparator compares the signal strengths from the receivers and the converter converts the frequency-shift rf signal into a tty set dc loop control signal.
Description : A digital voltmeter uses an A/D converter which needs a start pulse, uses an analog comparator and has a relatively fixed conversion time independent of the applied voltage. The A/D ... Successive Approximation Converter .b) Digital Ramp Converter c) Digital Slope Converter d) All the above
Last Answer : A digital voltmeter uses an A/D converter which needs a start pulse, uses an analog comparator and has a relatively fixed conversion time independent of the applied voltage. The A/D converter is : - Successive Approximation Converter
Description : One input terminal of high gain comparator circuit is grounded and a sinusoidal voltage is applied to the other input. The output of comparator will be___________.
Last Answer : One input terminal of high gain comparator circuit is grounded and a sinusoidal voltage is applied to the other input. The output of comparator will be a square wave.
Last Answer : A woofer should be fed from the input through a low pass filter.
Description : Determine the output frequency for a frequency division circuit that contains 12 flip–flops with an input clock frequency of 20.48 MHz: (1) 10.24 kHz (2) 5 kHz (3) 30.24 kHz (4) 15 kHz
Last Answer : Determine the output frequency for a frequency division circuit that contains 12 flip–flops with an input clock frequency of 20.48 MHz: 5 kHz
Description : The output of an exclusive–NOR gate is 1. Which input combination is correct? (1) A = 1, B = 0 (2) A = 0, B = 1 (3) A = 0, B = 0 (4) None of these
Last Answer : The output of an exclusive–NOR gate is 1. Which input combination is correct? (1) A = 1, B = 0 (2) A = 0, B = 1 (3) A = 0, B = 0 (4) None of these
Description : How many minimum number of NOR gates are required to realize a two-input X-OR gate?
Last Answer : 5
Description : When A = 0., B = 0, C = 1 then in two input logic gate we get gate (A) XOR gate (B) AND gate (C) NAND gate (D) NOR gate
Last Answer : When A = 0., B = 0, C = 1 then in two input logic gate we get gate NAND gate
Description : IC which has quad 2 input AND gates (A) 7411 (B) 7404 (C)7400 (D) 7408
Last Answer : IC which has quad 2 input AND gates 7408
Description : The output of a 2-input NAND gate with high at both the inputs will be • High • Low • High & low • None of the above.
Last Answer : The output of a 2-input NAND gate with high at both the inputs will be Low
Description : The o/p of a 2 - input OR gate is 1 when its 1. both inputs are 1 2. both inputs are 0 3.either input is 1 4. either input is 0
Last Answer : The o/p of a 2 - input OR gate is 1 when its either input is 1
Description : In a JK flip-flop, for what input next state is complement of the present state (A)J=0,K=0 (B)J=1,K=0 (C)J=0,K=1 (D)J=1,K=1
Last Answer : In a JK flip-flop, for what input next state is complement of the present state (A)J=0,K=0 (B)J=1,K=0 (C)J=0,K=1 (D)J=1,K=1
Last Answer : An OR gate has 6 inputs. The number of input words in its truth table are 64.
Description : In a series wound motor, the current passing through the field windings is also passing through the _____________. A. armature B. shunt field C. reactance comparator D. laminations
Last Answer : Answer: A
Description : When a smooth curve is approximated through the data points, then the curve is knownas a.approximation curve b.pitch curve c.data curve d.interpolant curve
Last Answer : a.approximation curve
Description : When the curve passes through all the data points, then the curve is known as a.approximation curve b.pitch curve c.data curve d.interpolant curve
Last Answer : d.interpolant curve
Description : When a smooth curve is approximated through the data points, then the curve isknown as a.interpolant curve b.approximation curve c.pitch curve d.data curve
Last Answer : b.approximation curve
Description : If the 'E/P converter' shown in the illustration operated on a range of 1-9 volts and 6-30 PSI, a 5 volt input would yield ______________. EL-0096 A. 9 PSI B. 15 PSI C. 18 PSI D. 24 PSI
Last Answer : Answer: C
Description : Draw single phase full wave mid-point converter for inductive load. Draw input and output waveforms for it.
Last Answer : Circuit Diagram: Waveforms:
Description : In D/A converter, the resolution required is 50mv and the total maximum input is 10v. The number of bits required is (A) 7 (B) 8 (C) 9 (D) 200
Last Answer : In D/A converter, the resolution required is 50mv and the total maximum input is 10v. The number of bits required is 8
Description : In a weighted-resistor digital-to-analog converter with 8-bit input, if the resistance corresponding to the MSB is 2K, what will be the resistance corresponding to the LSB? (a) 250 Ω (d) 512 KΩ (c) 256 KΩ (d) 25.5 Ω
Last Answer : In a weighted-resistor digital-to-analog converter with 8-bit input, if the resistance corresponding to the MSB is 2K, what will be the resistance corresponding to the LSB? (a) 250 Ω (d) 512 KΩ (c) 256 KΩ (d) 25.5 Ω
Description : In an R-2R ladder D/A converter, the input resistance is 1. Not same for all digital inputs 2. R for each input 3. 2R for each input 4. 3R for each input
Last Answer : In an R-2R ladder D/A converter, the input resistance is 3R for each input
Description : What happens to a comparator when both inputs are equal?
Last Answer : What you're talking about here is an op-amp configured in open loop mode - no feedback resistor, so the output swings + or -, generally in opposition to the higher value on the inputs. ... are completely equal, because of thermal variations, quantum effect, and other non-ideal aspects of a circuit.
Description : What is a comparator ?
Last Answer : A comparator is a type of circuit that compares signal or voltage levels.
Description : Essentially a satellite ___________ is a radio repeater in the sky A. transponder B. comparator C. duplexer D. billboard
Last Answer : A. transponder
Description : What do you mean by comparator
Last Answer : A comparator is a special combinational circuit designed primarily to compare the relative magnitude of two binary numbers.
Description : Which one is used to determine the colour of petroleum products? (A) Colour comparator (B) Saybolt chromometer (C) Cleveland apparatus (D) None of these
Last Answer : (A) Colour comparator
Description : What are the characteristics of a comparator?
Last Answer : 1.Speed of operation 2.Accuracy 3.Compatibility of the output
Description : What are the applications of comparator?
Last Answer : 1.Zero crossing detector 2.Window detector 3.Time marker generator 4.Phase detector
Description : What is a comparator?
Last Answer : A comparator is a circuit which compares a signal voltage applied at one input of an opamp with a known reference voltage at the other input. It is an open loop op - amp with output + Vsat .
Description : Differentiate Schmitt trigger and comparator.
Last Answer : comparator. 1. It compares the input signal with references voltage then yields the output voltage 2. It need not consist of feedback 3. comparator output need not to besquare wave Schmitt ... reference points namely UTP<P. 2. It employs positive feedback 3. Its output is square wave.
Description : Which of the following circuit is used as a 'Memory device' in computers? 1) Rectifier 2) Flip-Flop 3) Comparator 4) Attenuator
Last Answer : 2) Flip-Flop
Description : Colour comparator is used to measure the (A) pH value (B) Electrode potential (C) Colour intensity (D) None of these
Last Answer : Option A
Description : A controller essentially is a A. Sensor B. Clipper C. Comparator D. Amplifier
Last Answer : C. Comparator
Description : What does a lighted LED indicate on a logic comparator?
Last Answer : A difference in logic states between the reference IC and the IC under test.
Description : Design and explain a comparator to compare two identical
Last Answer : words. • Two numbers represented by A = A3A2A1A0 & B = B3B2B1B0 • If two numbers equal P = Ai Bi • Obtain the logic Expression. • Obtain the logic diagram.