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Intermediate-Frequency (IF) amplifier : ウィキペディア英語版 | Intermediate-Frequency (IF) amplifier
Intermediate-Frequency (IF) amplifier is an amplifier used to raise signal levels in a stereo system.〔(【引用サイトリンク】url=http://onlinelibrary.wiley.com/doi/10.1002/0471654507.eme187/abstract )〕 ==Uses==
IF amplifiers can change the frequency levels in circuits that are too selective, difficult to tune, and unstable. It also helps by changing the frequency levels in circuits which improve image display and tuning range. It is a fixed frequency amplifier which rejects unwanted signals.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Intermediate-Frequency (IF) amplifier」の詳細全文を読む
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