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- Q1151304 subject Q8411406.
- Q1151304 abstract "A Low-noise amplifier (LNA) is an electronic amplifier that amplifies a very low-power signal without significantly degrading its signal-to-noise ratio. An amplifier will increase the power of both the signal and the noise present at its input. Low-noise amplifiers are designed to minimize the additional noise. Designers minimize the additional noise by considering tradeoffs that include impedance matching, choosing the amplifier technology, and selecting low-noise biasing conditions. Low-noise amplifiers are found in radio communications systems, medical instruments, and electronic equipment. A typical low-noise amplifier may supply a power gain of 100 (20 decibel - dB) while decreasing the signal-to-noise ratio by a factor of two (a 3 dB noise figure). Although low-noise amplifiers are primarily concerned with weak signals that are just above the noise floor, they must also consider the presence of larger signals causing intermodulation distortion. Consequently, low-noise amplifiers often do not have high gains.".
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- Q1151304 wikiPageWikiLink Q8411406.
- Q1151304 wikiPageWikiLink Q854659.
- Q1151304 comment "A Low-noise amplifier (LNA) is an electronic amplifier that amplifies a very low-power signal without significantly degrading its signal-to-noise ratio. An amplifier will increase the power of both the signal and the noise present at its input. Low-noise amplifiers are designed to minimize the additional noise. Designers minimize the additional noise by considering tradeoffs that include impedance matching, choosing the amplifier technology, and selecting low-noise biasing conditions.".
- Q1151304 label "Low-noise amplifier".