What is the loss the filter introduces to the signals in the passband called?

Aeronautical & Aerospace Engineering : Avionics - Quiz(MCQ)

Insertion loss

Attenuation

Degradation

passband loss

Correct Answer : Insertion loss

Explanation : Insertion loss is the loss the filter introduces to the signals in the passband. Passive filters introduce attenuation because of the resistive losses in the components. Insertion loss is typically given in decibels.

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What is the peak value of 5th harmonic if the square wave has a peak voltage of 3v and a frequency of 48Khz?

0.52

0.74

0.76

1.5

Correct Answer : Option (C) : 0.76

Explanation : avionics

Which instrument produces frequency domain information?

Oscilloscope

Beam analyzer

Frequency divider

Spectrum analyzer

Correct Answer : Option (D) : Spectrum analyzer

Explanation : The test instrument for producing a frequency-domain display is the spectrum analyzer. Like the oscilloscope, the spectrum analyzer uses a cathode-ray tube for display, but the horizontal sweep axis is calibrated in hertz and the vertical axis is calibrated in volts or power units or decibels.

A pulse train has a rise time of 6 ns. What is the minimum bandwidth to pass this pulse train faithfully?

41.5MHz

42.6MHz

58.3MHz

812MHz

Correct Answer : Option (C) : 58.3MHz

Explanation :