# Sierra Academy

**URL:** https://sierraconnect.protoexpress.com/c/sierra-academy/83.md

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## [About the Sierra Academy category](https://sierraconnect.protoexpress.com/t/about-the-sierra-academy-category/4271)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 0

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## [PCB material selection course](https://sierraconnect.protoexpress.com/t/pcb-material-selection-course/4427)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 0\
**Last updated:** [September 1, 2026, 4:12pm UTC](https://sierraconnect.protoexpress.com/t/pcb-material-selection-course/4427 "2026-09-01T16:12:30Z")

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PCB material selection can get complicated fast, especially when you’re trying to balance performance with cost and manufacturability. We put together a 60-minute PCB material selection course that breaks down how signa…

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## [COURSE: EMC testing by Karen Burnham](https://sierraconnect.protoexpress.com/t/course-emc-testing-by-karen-burnham/4351)

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**Author:** [@rahuls](https://sierraconnect.protoexpress.com/u/rahuls)\
**Replies:** 0\
**Last updated:** [August 11, 2026, 2:49pm UTC](https://sierraconnect.protoexpress.com/t/course-emc-testing-by-karen-burnham/4351 "2026-08-11T14:49:00Z")

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We recently had the pleasure of hosting Karen Burnham for a full-day seminar on EMC testing, and we didn’t want the learning to stop there. We’ve now turned the recording into an on-demand course on Sierra Academy, so a…