Chemistry, asked by udhayakumar8968, 1 year ago

Define noise temperature and give the significance of the same

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Answered by anushka521
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In electronics, noise temperature is one way of expressing the level of available noise power introduced by a component or source. The power spectral density of the noise is expressed in terms of the temperature(in kelvins) that would produce that level of Johnson–Nyquist noise, thus: where: is the power (in watts)......
significance of noise tempreture-

anushka521: Significance- One use of noise temperature is in the definition of a system's noise factor or noise figure. The noise factor specifies the increase in noise power (referred to the input of an amplifier) due to a component or system when its input noise temperature is .
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