[TowerTalk] Raised Radial Spacing

[David Gilbert]

Most of a lifetime ago I was a component engineer at Collins Radio, and 
one of the products I was responsible for was a small ferrite core.  The 
manufacturer's rep explained the manufacturing process to me, which is 
basically like making a ceramic mug, and likened it to baking a cake.  
The process variables are many and significant, and even with automation 
the end result varies a lot.

ChatGPT provided a summary of the potential process considerations:

https://chatgpt.com/share/69095b41-ed34-8001-83ba-6c412e5e473e

Dave   AB7E


On 11/3/2025 4:40 PM, Jim Lux wrote:
> 20-25% is actually what Fair-rite gives as a tolerance for their cores (at least for the EMI suppression family) - Chip beads are 25%
> So if you've measured 20% variation, that's probably within spec.
>
>