Questions tagged [snr]

Signal to Noise Ratio - any questions about improving or detecting an SNR or lowering your noise floor.

This tag is for any question about detecting the Signal to Noise Ratio of a given signal, improving the SNR of a transmitter or amplifier, lowering your receiver's noise floor, or anything else to do with extracting a signal from noise.

12 questions
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votes
3 answers

How big is a decibel?

Say I've calculated that my feedline losses are 3dB, or I'm considering an antenna with 10dB gain, or trying to decide between a transmitter with 10dBm output power versus 16dBm (6dB difference). I understand a decibel is a degree of change in…
Phil Frost - W8II
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