Yeah…remember hearing the term and reading about op amp ckt that simulated an inductor in a hobby electronics mag…some loonngg while back.
This may have been it:
http://schematicsforfree.com/archive/file/Audio/Circuits/Filters/GYRATORS/Gyrator%20Theory.pdf
Might be interesting to build an adj multi band audio filter/equalizer using this.
A potential project for Electronics and Science?
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Looks more like a AR SIG thing…
Not really. It is a radio telescope for observing the sun. This is a science thing. It is a cool electronics circuit, which is an Electronics thing. No Amateur Radio License needed to operate, so not really an AR SIG thing.