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- Beat_frequency_oscillator abstract "In a radio receiver, a beat frequency oscillator or BFO , is a dedicated oscillator used to create an audio frequency signal from Morse code radiotelegraphy (CW) transmissions to make them audible. The signal from the BFO is mixed with the intermediate frequency signal to create a heterodyne or beat frequency which is heard as a tone in the speaker. BFOs are also used to demodulate single-sideband (SSB) signals, making them intelligible, by essentially replacing the suppressed carrier. BFOs are usually included in communications receivers designed for short wave listeners and amateur radio stations, which often receive CW and SSB signals.The beat frequency oscillator was invented in 1901 by Canadian engineer Reginald Fessenden, what he called the \"heterodyne\" receiver was the first application of the heterodyne principle.".
- Beat_frequency_oscillator thumbnail D_1944_Rohde_und_Schwarz_STT4032_Front_Large.jpg?width=300.
- Beat_frequency_oscillator wikiPageExternalLink www.arrl.org.
- Beat_frequency_oscillator wikiPageExternalLink voice-modes.
- Beat_frequency_oscillator wikiPageExternalLink www.naturemagics.com.
- Beat_frequency_oscillator wikiPageExternalLink ceramic-filter-bfo.shtm.
- Beat_frequency_oscillator wikiPageExternalLink 14189_57.htm.
- Beat_frequency_oscillator wikiPageID "509950".
- Beat_frequency_oscillator wikiPageLength "7510".
- Beat_frequency_oscillator wikiPageOutDegree "54".
- Beat_frequency_oscillator wikiPageRevisionID "699907830".
- Beat_frequency_oscillator wikiPageWikiLink Amateur_radio.
- Beat_frequency_oscillator wikiPageWikiLink Amateur_radio_operator.
- Beat_frequency_oscillator wikiPageWikiLink Audio_signal.
- Beat_frequency_oscillator wikiPageWikiLink Beat_(acoustics).
- Beat_frequency_oscillator wikiPageWikiLink Carrier_wave.
- Beat_frequency_oscillator wikiPageWikiLink Category:Amateur_radio.
- Beat_frequency_oscillator wikiPageWikiLink Category:Communication_circuits.
- Beat_frequency_oscillator wikiPageWikiLink Category:Electronic_design.
- Beat_frequency_oscillator wikiPageWikiLink Category:Oscillators.
- Beat_frequency_oscillator wikiPageWikiLink Category:Radio_electronics.
- Beat_frequency_oscillator wikiPageWikiLink Communications_receiver.
- Beat_frequency_oscillator wikiPageWikiLink Continuous_wave.
- Beat_frequency_oscillator wikiPageWikiLink Demodulation.
- Beat_frequency_oscillator wikiPageWikiLink Detector_(radio).
- Beat_frequency_oscillator wikiPageWikiLink Electronic_oscillator.
- Beat_frequency_oscillator wikiPageWikiLink Frequency_mixer.
- Beat_frequency_oscillator wikiPageWikiLink Heterodyne.
- Beat_frequency_oscillator wikiPageWikiLink Intermediate_frequency.
- Beat_frequency_oscillator wikiPageWikiLink International_Telecommunication_Union.
- Beat_frequency_oscillator wikiPageWikiLink Low-pass_filter.
- Beat_frequency_oscillator wikiPageWikiLink Modulation.
- Beat_frequency_oscillator wikiPageWikiLink Morse_code.
- Beat_frequency_oscillator wikiPageWikiLink On-off_keying.
- Beat_frequency_oscillator wikiPageWikiLink Radio_frequency.
- Beat_frequency_oscillator wikiPageWikiLink Radio_receiver.
- Beat_frequency_oscillator wikiPageWikiLink Reginald_Fessenden.
- Beat_frequency_oscillator wikiPageWikiLink Shortwave_radio.
- Beat_frequency_oscillator wikiPageWikiLink Single-sideband_modulation.
- Beat_frequency_oscillator wikiPageWikiLink Superheterodyne_receiver.
- Beat_frequency_oscillator wikiPageWikiLink Switch.
- Beat_frequency_oscillator wikiPageWikiLink Telegraph_key.
- Beat_frequency_oscillator wikiPageWikiLink Telegraphy.
- Beat_frequency_oscillator wikiPageWikiLink Transmitter.
- Beat_frequency_oscillator wikiPageWikiLink Tuned_radio_frequency_receiver.
- Beat_frequency_oscillator wikiPageWikiLink Types_of_radio_emissions.
- Beat_frequency_oscillator wikiPageWikiLink Wireless_telegraphy.
- Beat_frequency_oscillator wikiPageWikiLink File:D_1944_Rohde_und_Schwarz_STT4032_Front_Large.jpg.
- Beat_frequency_oscillator wikiPageWikiLink File:Goldschmidt_tone_wheel.jpg.
- Beat_frequency_oscillator wikiPageWikiLinkText "BFO".
- Beat_frequency_oscillator wikiPageWikiLinkText "Beat frequency oscillator".
- Beat_frequency_oscillator wikiPageWikiLinkText "beat frequency oscillator".
- Beat_frequency_oscillator wikiPageWikiLinkText "beat-frequency oscillator".
- Beat_frequency_oscillator wikiPageUsesTemplate Template:Inline.
- Beat_frequency_oscillator subject Category:Amateur_radio.
- Beat_frequency_oscillator subject Category:Communication_circuits.
- Beat_frequency_oscillator subject Category:Electronic_design.
- Beat_frequency_oscillator subject Category:Oscillators.
- Beat_frequency_oscillator subject Category:Radio_electronics.
- Beat_frequency_oscillator hypernym Oscillator.
- Beat_frequency_oscillator type Circuit.
- Beat_frequency_oscillator comment "In a radio receiver, a beat frequency oscillator or BFO , is a dedicated oscillator used to create an audio frequency signal from Morse code radiotelegraphy (CW) transmissions to make them audible. The signal from the BFO is mixed with the intermediate frequency signal to create a heterodyne or beat frequency which is heard as a tone in the speaker. BFOs are also used to demodulate single-sideband (SSB) signals, making them intelligible, by essentially replacing the suppressed carrier.".
- Beat_frequency_oscillator label "Beat frequency oscillator".
- Beat_frequency_oscillator sameAs Q112894.
- Beat_frequency_oscillator sameAs Schwebungssummer.
- Beat_frequency_oscillator sameAs BFO.
- Beat_frequency_oscillator sameAs Oscillateur_de_battement.
- Beat_frequency_oscillator sameAs BFO.
- Beat_frequency_oscillator sameAs Generator_zdudnieniowy.
- Beat_frequency_oscillator sameAs m.02jy9m.
- Beat_frequency_oscillator sameAs BFO.
- Beat_frequency_oscillator sameAs Q112894.
- Beat_frequency_oscillator wasDerivedFrom Beat_frequency_oscillator?oldid=699907830.
- Beat_frequency_oscillator depiction D_1944_Rohde_und_Schwarz_STT4032_Front_Large.jpg.
- Beat_frequency_oscillator isPrimaryTopicOf Beat_frequency_oscillator.