I'm trying to find what kind of circuitry(circuit components or schematics) is used in this anemometer: http://www.nrgsystems.com/sitecore/content/Products/5966.aspx There are a lot of details about mechanical parts but not the electronics in their website. It just says it is generating ac sine waves that's all. I want to know whats in the anemometer.
When you click the "Specifications" tab on that anemometer page, it specifically says
Signal type: low level AC sine wave, frequency linearly proportional to wind speed
... (more details about the output signal omitted) ...
Magnet: Indox 1, 25 mm (1 inch) diameter, 13 mm (0.5 inch) long, 4 poles
Coil: single coil, bobbin wound, 4100 turns of #40 wire, shielded for ESD protection
From those specs, it is almost certainly a fixed-coil, moving-magnet magneto -- a kind of alternator -- with the wires from the coil coming directly out. It apparently doesn't have any other "electronics" or "circuits".
It has a coil of wire, and it has a magnet spinning in the center of that coil. That's it.
They gave you details about each and every electronic part of the device -- both the coil, and the magnet. I'm a little puzzled -- Why would anyone think "they give no info about it" when their website already lists almost everything there is to know about it?
Could you give a link to a web page about something you've designed, that shows the amount of detail you think is appropriate?
(Image from http://en.wikipedia.org/wiki/File:Alternator_1.svg ).