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DIY For Audio
Noise in Resistors
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<blockquote data-quote="pwatts" data-source="post: 567011" data-attributes="member: 146"><p>The application and environment is mostly what's important. As has been said, keeping resistor values low enough and not using the very cheapest junk can avoid pretty much any problem. Considering the cost of precision resistors, often a better solution can be had by improving the silicon instead. Especially in diff or instrumentation amps, improving accuracy to 0.1% to improve CMRR can bring better results than the material itself.</p><p>Personally, I like using MELF resistors for critical applications but that's more because of their very stable behaviour under adverse environmental conditions (temperature, vibration etc)</p></blockquote><p></p>
[QUOTE="pwatts, post: 567011, member: 146"] The application and environment is mostly what's important. As has been said, keeping resistor values low enough and not using the very cheapest junk can avoid pretty much any problem. Considering the cost of precision resistors, often a better solution can be had by improving the silicon instead. Especially in diff or instrumentation amps, improving accuracy to 0.1% to improve CMRR can bring better results than the material itself. Personally, I like using MELF resistors for critical applications but that's more because of their very stable behaviour under adverse environmental conditions (temperature, vibration etc) [/QUOTE]
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