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In a Vidicon camera tube, the side of target plate facing the light has a coating of Sno2 (tin oxide) and the side facing electron gun has a coating of antimony trisulphide.

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In a Vidicon camera tube, the side of target plate facing the light has a coating of  Sno2 (tin oxide) and the side facing electron gun has a coating of antimony trisulphide.

(a) True

(b) False

The question was posed to me in semester exam.

My question is based upon Quadrature Carrier Multiplexing topic in section Double Sideband Suppressed Carrier Modulation of Analog Communications

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The correct answer is (a) True

For explanation: A vidicon camera tube is a type of camera having a photoconductive surface within. In a Vidicon camera tube, the side of target plate facing the light has a coating of Sno2 and the side facing electron gun has a coating of antimony trisulphide.

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