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Phase 2: Enough PhysicsSubject 6
PN Junctions & Transistors
Learn how PN junctions create diodes, how transistors switch and amplify, and how billions of them form a modern processor.
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0 of 4 chapters completeChapters
1
The PN Junction
Depletion region, built-in potential, and forward/reverse bias
2 sections
2
Diodes in Action
Rectification, LEDs, and other practical applications of PN junctions
2 sections
3
The MOSFET
Gate, source, drain — how field-effect switching works
3 sections
4
From Transistor to Logic
CMOS logic, basic gates, and how billions of transistors make a processor
2 sections