A radio noise source is a device that generates broadband electrical noise at a precisely known and calibrated level across a range of radio and microwave frequencies. Radio noise sources are used primarily as reference standards in the measurement of the noise figure of amplifiers, radio receivers, mixers, and other two-port RF components.
A radio noise source is a device that generates broadband electrical noise at a precisely known and calibrated level across a range of radio and microwave frequencies. Radio noise sources are used primarily as reference standards in the measurement of the noise figure of amplifiers, radio receivers, mixers, and other two-port RF components.
Source: Wikipedia "Radio noise source" · CC BY-SA 4.0
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