Adjacent channel

Adjacent channel

In broadcasting an adjacent channel is an AM, FM, or TV channel that is next to another channel. First-adjacent is immediately next to another channel, second-adjacent is two channels away, and so forth. Information on adjacent channels is used in keeping stations from interfering with one another.

See also co-channel.


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  • Adjacent channel power ratio — (ACPR) is ratio between the total power of adjacent channel (intermodulation signal) to the main channel s power (useful signal). ACPR The ratio between the total power adjacent channel (intermodulation signal) to the main channel s power (useful …   Wikipedia

  • Adjacent-channel interference — or ACI is interference caused by extraneous power from a signal in an adjacent channel. Note 1: Adjacent channel interference may be caused by inadequate filtering, such as incomplete filtering of unwanted modulation products in frequency… …   Wikipedia

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