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Automatic Frequency Control

Automatic Frequency Control (AFC) applies to tuning in radio and TV receivers to keep it on frequency. It is also sometimes refereed to as Automatic Fine Tuning (ATF). The AFC circuit in the receiver device aids in reducing the tuning error of a TV tuner that is almost on proper frequency for a desired channel. In modern sets with digital tuners this feature is usually available and can't always be switched off. There are circumstances under which AFC is better switched off but in general use it is beneficial.

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13y ago

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Related Questions

Difference between ABC and agc fuses?

ABC = Ceramic Body AGC = Glass Body


What is the difference between AGC and ABC fuses?

AGC fuses have glass body. ABC fuses have a ceramic body.


What is the difference between an AGS fuse and an AGC fuse?

The ags is an obsolete fuse no longer in production. It is nearly identical to the agc except it has a larger diameter


Did a difference exist between AFC and NFC football size regulation etc exist and is there still a difference?

No, there was never a difference in the football size or regulations between the AFC and NFC. This would be too hard to regulate since the AFC and NFC teams play each other so often.


What happens to the difference between ATC and AVC as a firm's output expands?

The difference narrows. ATC is the sum of AVC and AFC.. Since AFC declines steadily as output rises, the difference between ATC and AVC must narrow steadily.


What is the difference between AFC and NFC?

Besides the teams that are in them none. Many people say the AFC has better teams.


What is the difference between Sponsors and Supporters of the AFC football event?

I believe it has something to do with what they did. Supporters did less tjan Sponsors.


Are Fixed costs are the difference between total costs and average variable costs?

No. But: ATC = AVC + AFC Or TC = VC + FC


What is the game between the AFC and NFL?

I think you mean between the players of the AFC and players of the NFC and it's the Pro Bowl but otherwise its the superbowl


What does AGC stand for on a fuse?

AGC is a fuse type IE; the glass ones with the metal tips on the ends.


What does ACG mean on a fuse?

Are you sure you do not mean AGC? AGC stands for Automotive Glass Cartridge (Fuse). AGC fuses are fast acting fuses that will blown very quickly to protect components.


What was the last score between Crawley Town and AFC Wimbledon?

AFC Wimbledon 2-5 Crawley Town

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