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feedback amplifier |
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feedback amplifier [′fēd‚bak ′am·plə‚fī·ər] (electronics) An amplifier in which a passive network is used to return a portion of the output signal to its input so as to change the performance characteristics of the amplifier. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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4 GHz current feedback amplifiers (CFAs) with capacitive drive capability. Equation (12) shows that the noise of the transfer resistance amplifier will in general be small compared to the voltage noise of the impedance feedback amplifier by virtue of the relatively large gain of this bootstrap operation. D2Audio's digital feedback amplifier technology delivers premium sound to consumers by continually adjusting and optimizing the audio signal to correct for fluctuations within the audio system, or due to the speaker load. |
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