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Can you convert analog signal to digital?

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Description : What is the use of digital signal processing?

Description : What are the advantages of a digital signal?

Answer : It  has   only   two  variable   input  and  output (low   or    high)   (0  or    5).

Description : Why digital signal processing is important?

Description : Analog signal

Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : The standard for long distance analog signal transmission in process control industry is (A) 4-20 mV (B) 0-20 mA (C) 4-20 mA (D) 0-5 V

Answer : The standard for long distance analog signal transmission in process control industry is 4-20 mA

Description : What is Analog to Digital Converter (ADC) ?

Answer : Analog to Digital Converter (ADC)  Analog quantity may be voltage, temperature, sound, speed, audio etc. it is information or signal. ... digital form), digital speedometer (converts analog speed into digital form) etc.

Description : Digital to Analog Converter (DAC)

Answer : Digital to Analog Converter (DAC) Digital means binary (1 0) and 1 and 0 may be true and false or on and off or high and low. Analog means continuous signal or information ... wave. Phase Shift Keying (PSK) is transmit digital data by changing the phase of carrier wave.

Description : Compare analog and digital instruments .

Answer : Parameter Analog Instrument Digital Instrument  1 Principle The instrument that displays analog signals is called as on analog instrument.  The instrument that displays ... , etc. Logical analyzer, signature analyzer, computers, microprocessor based instruments, etc. 

Description : Compare analog CRO with digital storage oscilloscope (DSO).

Answer : Analog CRO DSO 1 High bandwidth Less bandwidth due to aliasing effect 2 High  writing speed about 15 GHz Limited speed 3 No memory Has memory ... Less storage time. The digital oscilloscope is  capable of an infinite storage time, using its digital memory.

Description : State two advantages of digital system over analog system.

Answer : 1. They are less susceptible to noise. 2. The effect of fluctuation in the characteristic of the components, ageing of components etc. is very small in digital circuits. 3. Digital circuits have capability of memory which makes them suitable for computers. 4. More accurate.

Description : Compare analog & digital multimeter.

Answer : Analog multi-meter DMM Power supply is not required  Power supply is required  Less suffered from electric noise  More suffered from electric Noise Less isolation problems. More ... visual indication Visual indication is not that much better. Less cost More cost

Description : What is the difference between analog and digital electronics?

Description : What is digital and analog electronics?

Description : Can transformer convert AC to DC?

Answer : No, Transformer cannot convert AC to DC.

Description : Integration of step signal gives (A) Impulse signal. (B) Ramp function. (C) Parabola. (D) Square pulse.

Answer : Integration of step signal gives Ramp function.

Description : How does signal processing work?

Description : What are digital signals used for?

Description : How is a thyristor used to convert AC to DC?

Answer : Igbt alone cant convert dc to ac. igbt half bridge or full bridge or three phase topology could be used to convert dc to ac. also igbt gates should be driven by microcontroller or pwm/spwm gate driving signals ... e4(-) and g4 c2e1 and c4e3 pins are AC output pins. its name is igbt inverter.

Description : What do you mean by signal processing?

Description : What do you mean by signal and system?

Description : Define Analog Transducer and give examples of it

Answer : Analog Transducer: An analog transducer is a device that converts the input signal into a continuous DC signal of voltage or current. Examples: * Strain gauge * L.V.D.T * Thermocouple * Thermistor

Description : Explain the essential toques in analog type measuring instruments.

Answer : List of torques in analog instruments:  1. Deflecting torque  2. Controlling / Restraining torque.  3. Damping torque.  1. Deflecting torque: To create deflection proportional to ... the speed higher will be the damping torque bringing the pointer to the equilibrium position quickly. 

Description : What is an example of an analog device?

Description : What is an analog voltage?

Description : What are the analog components?

Description : What is analog in terms of electronics?

Description : What is the analog circuit?

Description :  Can we create a digital circuit that has as inputs the  3- bit digital words [2: 0] A, [2: 0] B and [2: 0] C and its output is  equal to      |C-A-B| . The circuit of the binary full adder is known.

Description :  If it takes a transmitted signal 1m sec to go up to the target and come back after reflection, how far is the transmitter from the target? A) 150 Km B) 150 m C) 15 Km D) 1500 m 

Answer :  If it takes a transmitted signal 1m sec to go up to the target and come back after reflection, how far is the transmitter from the target? A) 150 Km B) 150 m C) 15 Km D) 1500 m 

Description : In 8085, whenever a signal is received at TRAP terminal, its program execution is transferred to a subroutine on address A) 0000 H B) 002C H C) 0024 H D) 0004 H

Answer : In 8085, whenever a signal is received at TRAP terminal, its program execution is transferred to a subroutine on address 0024 H

Description :  If a signal band limited to fm is sampled at a rate less than 2fm, then the constructed signal will be A) Large in amplitude B) Small in amplitude C) Distorted D) Distortion less

Answer :  If a signal band limited to fm is sampled at a rate less than 2fm, then the constructed signal will be Distorted 

Description : The sampling rate to avoid aliasing for the signal m(t) = 100 cos 200ωt will be A) ≥1/25 sec B) ≥1/50 sec C) ≤1/25 sec D) ≤ 1/50 sec

Description : State different types of electrical signal and draw all types of waveforms.

Answer : Types of electrical signals 1) Sine wave 2) Triangular wave 3) Square wave Waveforms

Description :  basic characteristics of sound signal.

Answer : Level and loudness: The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound. The loudness of a ... the reproducing system should be capable of handling the maximum and minimum power in the same ratio. 

Description : What is the significance of signal conditioner? Explain the need of following in mechatronics system. i) Isolator ii) Filter iii) Amplifier iv) Data converter

Answer : Significance: Signal conditioning means manipulating an analog signal in such a way that it meets the requirements of the next stage for further processing. Signal inputs accepted by signal ... -frequency converters, current-to-voltage converters, current loop converters, and charge converters.  

Description : List different methods of demodulation of FM signal.

Answer : Balanced Slope detection Ratio detector Foster Seeley discriminator Phase locked loop demodulator 

Description : For a signal conditioner explain the terms linearization and signal conversion.

Answer : Definition :  1. linearization : Many primary elements produce nonlinear outputs and the signal must be linearized to produce a nearly ideal calibration. Specialized analog circuits such as offsetting circuits, ... signal. Even computer algorithms are also used. 2.Signal conversion :

Description :  An energy signal has G(f) = 20. Its energy density spectrum is A) 20 B) 100 C) 400 D) 800  

Answer :  An energy signal has G(f) = 20. Its energy density spectrum is 400 

Description : What is the Laplace transform of step signal of 5 units magnitude?  A) 5s B) 5/s C) s/5 D) 1/s 

Answer : What is the Laplace transform of step signal of 5 units magnitude?  A) 5s B) 5/s C) s/5 D) 1/s 

Description : The time base signal in Cathode Ray Oscilloscope (CRO) is  (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal

Answer : 2 Saw tooth 

Description : What is a signal in science?

Description : Explain transformer isolated drive circuits providing both signal and power.

Description : What is the use of signal flow graph?

Description : working of Digital camcoder.

Answer : Explanation: Figure shows the functional block diagram of a digital camcorder system. Light from the optical lens assembly projects an image onto the charged coupled device (CCD) imager ... data from the recording medium are demultiplexed and decompressed and fed into the EVF for display.

Description : Principal of digital frequency meter.

Answer : The basic block diagram of basic digital frequency meter (DFM) is shown in above figure. The signal whose frequency we have to be measured is first to be amplified through amplifier. The output of amplifier ... = Number of counts. t = Time interval between start and stop condition of the gate.

Description : Advantages of digital instruments

Answer : 1. They are having high input impedance, so there is no loading effect 2. They are having higher accuracy 3. An unambiguous reading is obtained 4. The output can be interfaced with external equipment 5. They are available in smaller size . 

Description : Write example of each type (i) Primary transducer (ii) Active transducer (iii) Electrical transducer (iv) Digital transducer

Answer : (i) Active transducer:-Thermocouple, piezoelectric, photovoltaic cell (ii) Primary transducer:- Bourdon tube, bellows, (iii) Electrical transducer.:- LVDT,RVDT, Hall effect, strain gauge, ... , optical pyrometer, radiation pyrometer (iv) Digital transducer:- Linear Encoder, digital taco generator

Description : Blackt Electrotech 230V 24x7 Energy Saving Socket Type Digital Programmable Plastic Electronic Timer (White)

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