this post was submitted on 16 Apr 2025
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[–] InverseParallax@lemmy.world 20 points 1 week ago* (last edited 1 week ago) (1 children)

Meh, you could do signal amplification via transformers and tuned resonators.

It sucked, but it was possible.

That's how we had telephones before we had tubes.

[–] Limonene@lemmy.world 1 points 5 days ago (1 children)

Transformers can increase voltage while decreasing current, or increase current while decreasing voltage, but can't increase a signal's power.

[–] InverseParallax@lemmy.world 1 points 5 days ago* (last edited 5 days ago)

I know, but this just means you start with a very high current signal.

You lose a lot, but again it's what we had before transistors.

https://chatgpt.com/share/6802a819-b230-8002-b359-b206b5c52834

It's basically blood magic.

It's signal amplification by cannibalizing other band stop signals.