Chapter 6 / 6.10 / 6.10.6

6.10.6 Why Does Frequency Modulation (FM) Reject Noise Better Than AM?

Explore why FM provides much better audio quality than AM. Learn how frequency modulation rejects amplitude noise, the capture effect, pre-emphasis, de-emphasis, and the trade-off between noise performance and bandwidth.

1. What Is Frequency Modulation?
2. Why Is It Called Frequency Modulation?
3. How Does FM Carry Information?
4. What Is Frequency Deviation?
5. Why Does Noise Affect AM?
6. Why Is FM Less Sensitive to Noise?
7. What Is an Amplitude Limiter?
8. What Is the Capture Effect?
9. What Is Pre-Emphasis?
10. What Is De-Emphasis?
11. Why Is FM Audio So Good?
12. Why Does FM Require More Bandwidth?
13. What Is Carson's Rule?
14. What Is Narrowband FM?
15. What Is Wideband FM?
16. Is FM Always Better Than AM?
17. Where Is FM Used?
18. Has Digital Modulation Replaced FM?
19. Why Is Understanding FM Important?

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