People here have been talking about FM and Phase modulation. A little over a year ago I wrote about the differences between FM and PM.
Lately I’ve been playing around with Lucid Chart to make diagrams, so I made one of how a simple FM VCO works. It’s in the first page of the article, which is here:
Btw, anyone know how to post a link to an md file on line, and not have this forum software expand it like that? I just want a link that you need to click on. Or possibly a link where I can point at an arbitrary image to display.
I think you can use the link button rather than just pasting the URL. That gives you the option of specifying descriptive text as well.
oh, duh! and the markdown it generates is totally normal md. ok. tx. (original link now turned normal, above).