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A Low-Noise Amplifier to Quantify Resistor Noise

Posted on April 16, 2023 by Robin Kearey

An aluminium case with a small PCB and two nine-volt batteries inside

Noise is all around us, and while acoustic noise is easy to spot using our ears, electronic noise is far harder to quantify even with the right instruments. A spectrum …read more Continue reading A Low-Noise Amplifier to Quantify Resistor Noise→

A Single-Resistor Radio Transmitter, Thanks to the Power of Noise

Posted on January 28, 2023 by Dan Maloney

One of the great things about the Hackaday community is how quickly you find out what you don’t know. That’s not a bad thing, of course; after all, everyone is …read more Continue reading A Single-Resistor Radio Transmitter, Thanks to the Power of Noise→