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Negative-feedback amplifier - Wikipedia
https://en.wikipedia.org/wiki/Negative-feedback_amplifier#:~:text=Two-port%20analysis%20of%20feedback%20%20%20%20Feedback,Shunt%20%20%20VCVS%20%20%20h-parameter%20
Negative feedback in audio amplifiers: Why there is no ...
https://www.edn.com/negative-feedback-in-audio-amplifiers-why-there-is-no-such-thing-as-too-much/
What is negative feedback (NFB)? “Feedback is an arrangement where an amplifier is made to respond to its own output signal in addition to the wanted input signal and any unwanted disturbances. When the response to an unwanted disturbance is smaller with feedback applied than without it, we call it negative feedback.”
Is Too Much Amplifier Negative Feedback Bad? | …
https://www.audioholics.com/audio-amplifier/amplifier-negative-feedback
Some audiophiles believe too much negative feedback will diminish sound quality in amplifiers while others believe no feedback is even better. Is this true or an audio myth needing to be busted? “Let our rigorous testing and reviews be your guidelines to A/V equipment – not marketing slogans”
Negative feedback in audio amplifiers: Why there is no ...
https://www.edn.com/negative-feedback-in-audio-amplifiers-why-there-is-no-such-thing-as-too-much-part-2/
There are only advantages and no disadvantages to applying stratospheric amounts of negative feedback in an amplifier. The only hard part is figuring out how to do it. The more feedback, the better it sounds provided that it's never less than 30dB at any audio frequency.
Audiophile Myths About Amplifier Negative Feedback ...
https://www.audioholics.com/audio-amplifier/amp-myths-negative-feedback
Reports of amplifiers with lots of feedback in the 70’s were Bigfoot sightings. “I’ve seen an amp with a ton of feedback and I’ve got a fuzzy photograph to prove it.” People thought they were listening to a high feedback amplifier, didn’t like what they heard, concluded feedback was bad and a myth was born.
Why has an audio amplifier negative feedback? - Electrical ...
https://electronics.stackexchange.com/questions/58510/why-has-an-audio-amplifier-negative-feedback
It's a 10W audio amp, not an op amp. Negative feedback is required to set the gain at a known, fixed value. "Fundamentally, all electronic devices (e.g. vacuum tubes, bipolar transistors, MOS transistors) exhibit some nonlinear behavior. Negative feedback corrects this by trading unused gain for higher linearity (lower distortion).
Class-D Audio Amplifiers with Negative Feedback
https://www.researchgate.net/publication/27299161_Class-D_Audio_Amplifiers_with_Negative_Feedback
Here, we derive and investigate a mathematical model for a novel design of the output stage for a class-D audio amplifier, which employs negative feedback to remove the effects of …
Help understanding negative feedback & bias design on ...
https://electronics.stackexchange.com/questions/199806/help-understanding-negative-feedback-bias-design-on-audio-amplifier
So, any external negative feedback you apply should avoid upsetting the internallt set dc bias, hence C1 and C5 in your circuit. At high frequencies (maybe above 10kHz or 20kHz) I expect that C1 starts to become significant and this effectively …
Do No Negative Feedback Amplifiers Sound Better? | AVS …
https://www.avsforum.com/threads/do-no-negative-feedback-amplifiers-sound-better.926202/
The simplified Widipedia explanation for negative feedback in amplifiers: "A negative feedback amplifier, or more commonly simply a feedback amplifier, is an amplifier which uses a negative feedback network, generally for improving performance (gain stability, linearity, frequency response etc.).
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