The photodiode

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• 8 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
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Other lessons in this sub-strand

1. Semiconductors
2. Formation of the p-n junction
3. Forward biasing a diode
4. Reverse biasing a diode
5. Forward I-V characteristics
6. Reverse I-V characteristics
7. The diode as a one-way valve
8. Types of diodes
9. The Zener diode and voltage regulation
10. The light-emitting diode
11. The photodiode
12. Half-wave rectification
13. Full-wave rectification
14. Smoothing the rectified output
15. Diodes in power supplies
16. Diodes in signal and protection circuits
17. Using diodes safely
18. Review of diodes