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From: legg <legg@nospam.magma.ca>
Newsgroups: sci.electronics.design
Subject: Re: switchmode gyrator
Date: Tue, 12 Nov 2024 07:49:13 -0500
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On Sat, 09 Nov 2024 06:08:40 -0800, john larkin <JL@gct.com> wrote:

>
>
>Inductors are awful. Their energy storage is worse than electrolytic
>caps by about a factor of 1000.
>
>https://electronics.stackexchange.com/questions/326177/energy-density-comparison-between-inductors-and-capacitors
>
>One could in theory make a switchmode gyrator that would make a
>capacitor look like a programmable-value inductor. 
>
>I have an application for that, but it would take too much engineering
>and runtime complexity to make it worth doing. I guess I'll just have
>to buy a bunch of giant, heavy custom toroids.

I'm sure that there are other reasons why an inductor 
will be used besides the lack of time/energy/resources 
to 'design them out'.

Energy storage is just one means to an end. 

RL