I recently watched an interesting EEVBlog video about Villard Cascade Voltage Doublers. I have had some neon tubes (NE-2) in my parts collection for a few years now. I have always wanted to drive them from a relatively low voltage DC supply. I decided to spend the afternoon/evening designing a circuit to drive the neon tube from a 12V supply.
|The Glowing NE-2 Neon Tube|