ECE :: Communication Systems
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In a colour TV receiver, AGC adjusts the gain of
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In pulse transmitter the ratio of time on to time off is called
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In figure the output v(t) is
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A MASER is a
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Which one of the following is correct?
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A paraboloid reflector has mouth diameter D meters, wavelength λ meters. Its beam width φ is equal to
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A balanced modulator circuit uses
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In a television camera tube, scanning of a picture is done
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In communication receivers the fidelity is provided by