Does anyone know of a decent (repeatable) way of making planar transformers/planar inductors in Altium? And if so, how was the experience? Drawing out the tracks and checking trace/space clearance manually is a pain (not to mention unreliable). I should also mention that I would prefer some kind of plugin or script or tool or something, making a custom library part is not what I had in mind, I am looking for something a bit more flexible that would permit quick design changes


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Yes, check out the PlanarTx script here. Just run the script and the options should be pretty self-explanatory. Quite flexible too.

Options Menu for PlanarTx

Example planar transformer in Altium

You may need to use a net-tie component (some folks refer to these as "shorts") to name the end terminals to sync up in your schematic, since it's all one piece of copper.

  • \$\begingroup\$ I'm definitely giving that a go, looks perfect \$\endgroup\$
    – Sam
    Commented May 2, 2016 at 3:37

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