Q. Which colour picture tube uses slotted aperture mask?

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Q. If the circumference of a spherical target is between 1 to 10 wavelength in a radar system, the situation is called

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Q. The complete video signal consists of

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Q. Transit time is considered as significant at

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Q. In a colour TV receiver, AGC adjusts the gain of

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Q. In pulse transmitter the ratio of time on to time off is called

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Q. A MASER is a

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Q. Which one of the following is correct?

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Q. A paraboloid reflector has mouth diameter D meters, wavelength λ meters. Its beam width φ is equal to

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Q. A balanced modulator circuit uses

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Q. In a television camera tube, scanning of a picture is done

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Q. In communication receivers the fidelity is provided by

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Q. A signal having uniformly distributed amplitude in the interval (- V to + V) is to be encoded using PCM with uniform quantization. The signal to quantization noise ratio is determined by

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Q. Bipolar signalling uses the following bits

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Q. The first geostationary satellite was named

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Q. Typical value of power consumption of TV transmitter is

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Q. In a colour TV receiver, which of the following incorporates colour saturation control?

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Q. Which of the following statement is correct?

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Q. Which of the following is true as regards telephone systems?

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Q. SSB can be generated by

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