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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Re: Isn't Slew Rate a bit like THD? posted by mfc on July 22, 2003 at 23:53:20:
"In the papers I've read so far, I haven't come across anything about TIM not appearing below the dominant pole. If you know of a reference, that would be well appreciated."For this I would recommend Jung's overview of SID and TIM (Audio, Jun-Aug 1979) or Cordell, "Another View of TIM" (Audio, Feb-Mar 1980). Cordell stresses that for a given size comp C an input stage with a higher output current capability will provide an increased slew rate.
"Since amps don't have these low frequency open loop dominant poles,
and opamps do, then it sounds like TIM isn't much of a problem to an
amp?"It was before the mechanism was well-understood. Several authors (esp Garde and Leach) showed how to set up a first stage to ensure minimal TIM even for high feedback factors.
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Follow Ups
- Re: Isn't Slew Rate a bit like THD? - Scott Frankland 01:44:23 07/23/03 (1)
- Re: Isn't Slew Rate a bit like THD? - john curl 08:02:11 07/23/03 (0)
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