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More chaotic cable arguments...
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<blockquote data-quote="Hennie" data-source="post: 14380" data-attributes="member: 20"><p>I don't really see the issue in terms of "propagation delay" - delay would be taken into account in the open loop frequency / phase response of the amplifier. This corresponds to a minimum phase model in our frequency band of interest. In a minimum phase system, group delay, frequency response and phase response are all tied together and are just different views of the same thing.</p><p></p><p>Feedback over multple stages with one or more stage having a limited bandwidth may yield problems if the feedback signal overloads the dynamic range of one of the stages. Indeed, it was often a problem with early solid state amplifiers, but it is rarely a problem today.</p></blockquote><p></p>
[QUOTE="Hennie, post: 14380, member: 20"] I don't really see the issue in terms of "propagation delay" - delay would be taken into account in the open loop frequency / phase response of the amplifier. This corresponds to a minimum phase model in our frequency band of interest. In a minimum phase system, group delay, frequency response and phase response are all tied together and are just different views of the same thing. Feedback over multple stages with one or more stage having a limited bandwidth may yield problems if the feedback signal overloads the dynamic range of one of the stages. Indeed, it was often a problem with early solid state amplifiers, but it is rarely a problem today. [/QUOTE]
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Audio and Video Talk
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More chaotic cable arguments...
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