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___________.

1 Answer

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.

Related questions

Description : In successive approximation converter input to the comparator is through (A) DAC (B) Latch (C) Flip-flop (D) Sample and hold circuit

Last Answer : In successive approximation converter input to the comparator is through DAC 

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 : The vertical dotted line connecting the small circular symbols at coordinates '05L', '09L', '13L', '21L', '25L', etc., shown in the illustration, indicate that all _______________. EL-0100 A. contacts are ... board 'TB2' C. wires are grounded at both ends of the line D. wires have a common shield

Last Answer : Answer: B

Description : What happens when the common terminal of V+ and V- sources is not grounded?

Last Answer : If the common point of the two supplies is not grounded, twice the supply voltage will get applied and it may damage the op-amp

Description : The outer conductor of a coaxial transmission line is always grounded at the A. Input only B. Input and output C. Output only D. Point of high SWR

Last Answer : B. Input and output

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 : Which of the following circuit is used as 'Memory device' in computers ? (1) Rectifier (2) Flip-Flop (3) Comparator (4) Attenuator

Last Answer : Flip-Flop

Description : Which circuit is used as amplitude comparator?

Last Answer : Schmitt trigger circuit is used as amplitude comparator.

Description : A disadvantage of using the configuration in the illustrated circuit is _________. EL-0045 A. no current gain B. high input resistance C. high voltage gain D. becomes unstable with an increase of ambient temperature

Last Answer : Answer: A

Description : The advantage of using the illustrated circuit configuration is _________. EL-0045 A. high input resistance B. high current gain C. the best stability with an increase in temperature D. the input and output are 180 degrees out of phase

Last Answer : Answer: C

Description : In which qualitative research approach is the primary goal to gain access to individuals’ inner worlds of experience? a. Phenomenology b. Ethnography c. Grounded theory d. Case study

Last Answer : a. Phenomenology

Description : In the inverting configuration when the noninverting input is grounded, the inverting input is at (signal, virtual) ground

Last Answer : Virtual.

Description : Describe block diagram of digital comparator and write truth table of 2 bit comparator.

Last Answer : Digital comparator is a combinational circuit which compares two numbers, A and B; and evaluates their relative magnitudes. The outcome of the comparison is given by three binary variables which indicate whether A ... Depending on the result of comparison one of these outputs will go high.

Description : State any two application of each of following i) Comparator ii) Zero Crossing Comparator

Last Answer : Application of Comparator:  1. Null detectors: A null detector is one that functions to identify when a given value is zero. Comparators can be a type of amplifier distinctively for null comparison ... detector controls the switching so that it occurs at close to zero voltage of the cycle.

Description : The final step in testing a circuit for a ground involves the use of a megohmmeter. A grounded switch or cable will be indicated by a megohmmeter reading of ____________. A. 'zero' B. infinity C. steady in the high range D. unsteady in the low range

Last Answer : Answer: A

Last Answer : Beta in grounded emitter circuit is very high due to base current in small compared to collector current.

Description : A common-emitter circuit has an input voltage of 0.1 volt, an output voltage of 2.0 volts, an input current of 0.5 milliamps, and an output current of 10 milliamps. What is the power gain? A. 20 B. 40 C. 400 D. 4000

Last Answer : Answer: C

Description : Basic operating characteristics of the operational amplifier such as gain and stability are the function of its _____________. A. differential input stage B. power output stage C. feedback circuit D. supply voltages

Last Answer : Answer: C

Description : Which of the listed conditions might contribute to very rapid wearing of a DC machine's commutator bars? A. A grounded commutator bar B. Using improper carbon brushes C. Aligning the front and rear mica V-rings improperly D. An open circuit in the armature

Last Answer : Answer: B

Description : A circuit that has one of two wires in contact with the hull of a ship, is called a _____________. A. grounded circuit B. short circuit C. series circuit D. closed circuit

Last Answer : Answer: A

Description : A circuit with a blown fuse would be described as a/an _____________. A. short circuit B. open circuit C. bonded circuit D. grounded circuit

Last Answer : Answer: B

Description : The circuit illustrated represents a 2 wire DC ground detecting system. If the positive bus is grounded and the test button is pushed, which of the lamps will be brightest? EL-0008 A. X B. Y C. both will be equal brightness. D. both will go out.

Last Answer : Answer: C

Description : What is the direction of current through the load resistor in the circuit shown in the illustration? EL-0085 A. Always from point 'Z' to the grounded end. B. Always from the grounded end to ... on the instantaneous polarity at point 'W'. D. It cannot be determined without a directional ammeter.

Last Answer : Answer: B

Description : Which of the following statements is correct concerning the circuits in a sound powered telephone system? A. The ringing circuit is composed of only one common wire to ground. B. The common ... connected to each station. D. The talking and calling circuits are electrically dependent upon each other.

Last Answer : Answer: B

Description : Define each of following terms of operational amplifiers i) Slew rate ii) Input offset voltage iii) Voltage gain iv) Input capacitance

Last Answer : i) Slew rate:- Maximum rate of change of o/p voltage per unit of time. It is express in volt/µsec.  ii) Input offset voltage:- The voltage that must be applied between two ... capacitance that can be measured at either be inverting or non-inverting terminal with other terminal connected to ground.

Description : Compare BJT common base configuration with common collector configuration on the basis of (i) Current gain (ii) Voltage gain (iii) Input impedance (iv) Output impedance

Last Answer : Parameter Common Base Common Collector Current gain Low (About 1) High (1+β) Voltage gain High 1  Input impedance  Low High Output impedance High Low

Description : In the illustrated amplifier, the RESET potentiometer A1R2 sets the stability of the control loop by changing the reset time constant. As the potentiometer is turned clockwise _________. EL-0060 A. ... is increased to the summing point at terminal 5 D. response time is increased decreasing stability

Last Answer : Answer: B

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 : 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 : 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 : 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 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 : 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.

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 : 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 a control system, the comparator measures the difference between (a) output and input (b) output of controller and system (c) actual and desired performance (d) input and error signal  

Last Answer : B

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