Tuner (Radio)
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A radio tuner receives radio broadcasts and converts them into audio-frequency signals which can be fed into an amplifier driving a loudspeaker. FM tuner, AM tuner, DAB tuner, etc. are types of radio tuner dealing with transmissions using different methods of modulation. The term tuner is used both for part of a radio receiver which also contains an amplifier section and for a boxed piece of equipment to be connected to a separate amplifier.The simplest tuner consists of an inductor and capacitor connected in parallel. The capacitor is usually made to be variable (although the inductor can made variable it requires a more complex mechanism and is rarely used). This creates a resonant circuit which responds to an alternating current of one frequency. In general, radio makers will use a rule of thumb of 1.5 picofarads per metre wavelength. Common inductance values are 4.1 milliHenries for long wave, 370 microHenries for medium, and 130 nanoHenries for VHF (FM) between 88 and 108 MHz.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786130983918
- Anzahl Seiten 68
- Genre Wärme- und Energietechnik
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Herausgeber Betascript Publishing
- Größe H220mm x B220mm
- EAN 9786130983918
- Format Fachbuch
- Titel Tuner (Radio)
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