The desirable characteristics of a signal source are : -

The desirable characteristics of a signal source are : - a) the frequency of the signal should be well known and stable b) the amplitude of the signal source should be controllable from very small to relatively large value c) The output signal should be free from distortion d) all the above
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The desirable characteristics of a signal source are : - a) the frequency of the signal should be well known and stable b) the amplitude of the signal source should be controllable from very small to relatively large value c) The output signal should be free from distortion d) all the above

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