Noise figure: Difference between revisions
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Alternative term: Noise factor | Alternative term: Noise factor | ||
Latest revision as of 09:22, 17 September 2026
Alternative term: Noise factor
The ratio of the total mean square output-noise e.m.f. of a receiver (when connected to a suitable passive network source at a specific temperature) to that part of it which is due to the thermal noise generated by the source.
Note: The definition applies only to a receiver, or to that part of a receiver, in which the processes of amplification or frequency changing, or both, are substantially linear.
Reference: B.S. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
