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unlike am or ssb where signals close to or on the same frequency are sum added by the receiver, on fm when the same thing occurs then the strongest signal is passed while the weaker signal is attenuated / eliminated. this is what is referred to as "capture effect" in the discriminator section of an fm receiver. the stronger signal actually "captures" the full attention of the receiver to the exlusion of all other weaker incoming signals.

https://duckduckgo.com/?q=fm+receiver+discriminator+and+the+capture+effect&t=h_&ia=web

[QUOTE="freecell, post: 771274, member: 30"] unlike am or ssb where signals close to or on the same frequency are sum added by the receiver, on fm when the same thing occurs then the strongest signal is passed while the weaker signal is attenuated / eliminated. this is what is referred to as "capture effect" in the discriminator section of an fm receiver. the stronger signal actually "captures" the full attention of the receiver to the exlusion of all other weaker incoming signals. [URL]https://duckduckgo.com/?q=fm+receiver+discriminator+and+the+capture+effect&t=h_&ia=web[/URL] [/QUOTE]

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