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Signal Analysers – 1 – 1

1. A spectrum analyser is used to measure :

(a) frequency
(b) loss angle of a dielectric
(c) insulating resistance
(d) harmonics

ANSWER

EXPLANATION

2. A spectrum analyser works in :

(a) time domain
(b) frequency domain
(c) both (a) and (b)
(d) neither (a) nor (b)

ANSWER

EXPLANATION

3. What is/are the possible way(s) of displaying the data by logic analyzer ?

(a) Logic state format
(b) Timing diagram format
(c) Hexadecimal & Map format
(d) All of the above

ANSWER

EXPLANATION

4. Which of the following instruments allows more precise measurement of the harmonic components of a distorted signal ?

(a) Oscilloscope
(b) Wave analyzer
(c) Digital multimeter
(d) Spectrum analyzer

ANSWER

EXPLANATION

5. The difference between the spectrum analyser (SA) and CRO is :

(a) CRO and SA both measures time domain signal
(b) CRO and SA both measures frequency domain signal
(c) CRO measures time domain signal and SA measures frequency domain
(d) CRO measures frequency domain signal and SA measures time domain

ANSWER

EXPLANATION

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