Ufuk's Notes

FR-4

1 min read

mostly used as a substrate material in PCB (Printed Circuit Board)
very hard to recycling

Highlights

๐— ๐˜†๐˜๐—ต ๐˜ƒ๐˜€. ๐—ฅ๐—ฒ๐—ฎ๐—น๐—ถ๐˜๐˜† ๐—ถ๐—ป ๐—”๐—ป๐˜๐—ฒ๐—ป๐—ป๐—ฎ ๐——๐—ฒ๐˜€๐—ถ๐—ด๐—ป. ๐—ฃ๐—ฎ๐—ฟ๐˜ 3
Myth: FR4 is good enough for all RF projects High Speed Signals

Reality: FR4 suffers from significant dielectric loss at higher frequencies. Combined with inconsistent dielectric constant, it becomes virtually unusable for applications above 1โ€ฏGHz.1

Footnotes

  1. https://www.linkedin.com/posts/katerinagalitskaya_%F0%9D%97%A0%F0%9D%98%86%F0%9D%98%81%F0%9D%97%B5-%F0%9D%98%83%F0%9D%98%80-%F0%9D%97%A5%F0%9D%97%B2%F0%9D%97%AE%F0%9D%97%B9%F0%9D%97%B6%F0%9D%98%81%F0%9D%98%86-%F0%9D%97%B6%F0%9D%97%BB-%F0%9D%97%94%F0%9D%97%BB%F0%9D%98%81-activity-7369640441694072833-9eox?utm_source=share&utm_medium=member_desktop&rcm=ACoAAAgUM5wB4VFVmYwZ0FZJHyx9H9vs8revv5M โ†ฉ

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