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In Reply to: RE: No semantic aspect to it. Class D incorporates digital technigues... posted by AbeCollins on May 26, 2018 at 23:33:45:
My knowledge definitely breaks down when it comes to popular circuit topologies commonly used in audio circuitry but many switching supplies I've seen, often use something like in the link. No processors or flip flops necessary. I would call it analog.
"True, but it still represents On/Off."
Not in terms of representing some steady state data value as would be usable by any digital systems.
In circuit topologies similar to the one described by the EETimes example, switching the switches is done generally to cause an charge transfer event by charging/discharging/repolarizing an energy storage magnetic, ie cause a transitory condition. There is never a steady state moment at any point during the cycle.
"Sure, and if it's not being done here in completely analog then what is it being done in?"
I'm not trying to suggest everything can't be done digitally, or even in software if you want...just that it doesn't have to be. It can also be done in pure analog. There is no requirement for digital in class D.
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Follow Ups
- RE: No semantic aspect to it. Class D incorporates digital technigues... - Ugly 05/27/1804:51:22 05/27/18 (2)
- RE: No semantic aspect to it. Class D incorporates digital technigues... - AbeCollins 07:36:02 05/27/18 (1)
- RE: No semantic aspect to it. Class D incorporates digital technigues... - Ugly 10:50:12 05/27/18 (0)
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