White noise is characterized by: (UPPSC Polytechnic Lecturer Electronics Mar 2022 Paper II)
Solved Example:
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Which type of noise is produced in a microwave tube due to random nature of emission and electron flow? (UPPCL JE EC Mar 2021 Shift I)
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The white noise spectral density: (UPRVUNL AE Electronics and Instrumentation 2021)
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Following are few statements regarding noise in communication system:
a) Atmospheric noise, shot noise, solar noise are examples of external noise sources
b) Noise temperature is useful in dealing with UHF noise
c) Thermal agitation is the only source of noise in receiver
Choose the correct answer:
(UGC NET Paper II: Electronic Science Jun 2019)
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The noise caused by random variations in the arrival of electrons or holes at the output electrode of an amplifying device: (ISRO (VSSC) Tech Asst Electronics 2018)
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Spectral density of the white noise is: (URSC (ISRO) Tech Asst (Electronics): Aug 2017)
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One of the following types of noise assumes importance at high frequncies: (SDSC (ISRO) Tech Asst (Electronics): April 2018)
