Why are temperature-compensating devices employed in the, Ask an Expert

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problem 1: What do you mean by signal sources? What are the desirable characteristics of the signal? Give an overview of the different signal sources employed.

problem 2: describe the following:

a) A Signal generator by using envelope feedback for amplitude modulation.
b) A heterodyne oscillator.
c) describe the working of sweep frequency generator. Illustrate the sweeper errors?

problem 3: Why use of regulator power supply is needed for the signal generators?

problem 4: Why are buffer amplifiers employed in the signal generators?

problem 5: Why are temperature-compensating devices employed in the signal generators?

problem 6: With the help of block diagram describe the working of a function generator. Illustrate its applications.

problem 7: What do you mean by the term harmonics?

problem 8: What do you mean by the term frequency spectrum?

problem 9: Why is the signal distorted after the amplification?

problem 10: What do you mean by the term harmonic distortion?

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Electrical & Electronics, Engineering

Category:- Electrical & Electronics
Reference No.:- M97609

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