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Amplifiers
? about amp output and input voltage
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<blockquote data-quote="Flex68" data-source="post: 7827131" data-attributes="member: 638503"><p>Yes, and yes.</p><p></p><p>However, you are also amplifying any noise present on the lower voltage input BY those greater gain settings/factor when doing so.</p><p></p><p>Think of it like this:</p><p></p><p>2V inputs with a 48V amplifier output, and say you have 0.25V of noise. It is a x24 factor of amplification, so you get 1.75x24 = 42V clean signal, with 0.25x24 = 6V of noise.</p><p></p><p>Same amp, same gain setting, but with an 8V input. The noise is amplified only by a factor of x6, so you now have only 1.5V of noise with 46.5V clean signal.</p><p></p><p>//content.invisioncic.com/y282845/emoticons/smokin.gif.f1dc8d2acb1809e863ebd6a47eaa0d45.gif</p></blockquote><p></p>
[QUOTE="Flex68, post: 7827131, member: 638503"] Yes, and yes. However, you are also amplifying any noise present on the lower voltage input BY those greater gain settings/factor when doing so. Think of it like this: 2V inputs with a 48V amplifier output, and say you have 0.25V of noise. It is a x24 factor of amplification, so you get 1.75x24 = 42V clean signal, with 0.25x24 = 6V of noise. Same amp, same gain setting, but with an 8V input. The noise is amplified only by a factor of x6, so you now have only 1.5V of noise with 46.5V clean signal. [IMG]//content.invisioncic.com/y282845/emoticons/smokin.gif.f1dc8d2acb1809e863ebd6a47eaa0d45.gif[/IMG] [/QUOTE]
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? about amp output and input voltage
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