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One addition on receiver side amplification: it is done all the time. Each piece of equipment has a noise floor that can be higher than the one in the signal (t
by pgorczak 4y ago
One addition on receiver side amplification: it is done all the time. Each piece of equipment has a noise floor that can be higher than the one in the signal (think weak signals but with a good SNR). A low noise amplifier at the receiver can improve the signal in that case.
- dboreham 4y agoEvery receiver (perhaps the exception is a spark-gap receiver) has an amplifier. The article is trying to say that you can't improve the S/N ratio of a signal with an amplifier. You can always make it worse though. The aim is to make it less worse.