He's focusing on power supply to solid-state amplifiers, and how to reject supply interference by proper amplifier design. Worth a read.
Audio amplifier power supply design - Part 3: Power-supply rail rejection
Audio amplifier power supply design - Part 3: Power-supply rail rejection
improving PSRR
This material has already been published in EW+WW, March 1995. So, old wine in a new bottle. Besides, he doesn't even mention the most obvious and simple trick: a small cap, equal to Cdom, between the current mirror input and gnd. See also:
http://www.diyaudio.com/forums/soli...l-interview-bjt-vs-mosfet-79.html#post1207149
and here if TMC or TPC has been applied: http://www.diyaudio.com/forums/soli...terview-negative-feedback-57.html#post1161190
Cheers,
E.
This material has already been published in EW+WW, March 1995. So, old wine in a new bottle. Besides, he doesn't even mention the most obvious and simple trick: a small cap, equal to Cdom, between the current mirror input and gnd. See also:
http://www.diyaudio.com/forums/soli...l-interview-bjt-vs-mosfet-79.html#post1207149
and here if TMC or TPC has been applied: http://www.diyaudio.com/forums/soli...terview-negative-feedback-57.html#post1161190
Cheers,
E.
IMHO whilst Self's articles are very good and generally well researched he is guilty of propagating a "there is only ONE correct way of implementing any piece of circuitry and that's Doug Self's way" attitude.
In spite of this I am still very grateful to Self for those areas in which he has increased understanding for many people, including myself Even if I don't always agree with his viewpoint on matters such as Mosfets...
In spite of this I am still very grateful to Self for those areas in which he has increased understanding for many people, including myself Even if I don't always agree with his viewpoint on matters such as Mosfets...
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