Recent questions tagged signal

Description : .2.The period of a signal is 10ms. What is its frequency in kilohertz?

Last Answer : 100

Description : Explain Briefly What Happens When The Intr Signal Goes High In The 8085?

Last Answer : Answer :The INTR is a maskable interrupt for the 8085. It has the lowest priority and is also non vectored. When this INTR signal goes into the high state the following things occur / ... the processor saves the address of new instruction into the STACK and an interrupt service subroutine begins.

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

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

Description :  basic characteristics of sound signal.

Last 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

Last 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.

Last 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.

Last 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 : Analog signal

Last 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 :  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 

Last 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 : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

Last Answer : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

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

Last 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

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

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

Last Answer : 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 

Last 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

Last Answer : 2 Saw tooth 

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

Last Answer : Integration of step signal gives Ramp function.

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

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

Description : What are the advantages of a digital signal?

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