I want to be able to generate a low current isolated supply (for driving my
solid state relay MOSFETs) gate-to-source. I googled and found this:
http://www.maxim-ic.com/app-notes/index.mvp/id/1932

1. How does this circuit work? I'm guessing the 74HC14s give a sharp signal
to U1 whose outputs oscillate signals into high pass filters C1 and C2. At
that point, I'm guessing the signal looks more like a sine wave which passe=
s
through the full wave rectifier comped of those 4 diodes and the capacitor.
Tell me if I'm wrong.

2. Is there a simpler way to generate an isolated supply?
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