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Audio frequency - Wikipedia

    https://en.wikipedia.org/wiki/Audio_frequency#:~:text=An%20audio%20frequency%20or%20audible%20frequency%20%28AF%29%20is,range%20for%20humans%20is%2020%20to%2020%2C000%20Hz.
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What is AF (audio frequency or a.f.)? - Definition from ...

    https://whatis.techtarget.com/definition/AF-audio-frequency-or-af
    AF (audio frequency) (also abbreviated af or a.f.) refers to alternating current ( AC ) having a frequency such that, if applied to a transducer such as a loudspeaker or headset, will produce acoustic waves within the range of human hearing. The AF range is generally considered to be from 20 Hz to 20,000 Hz.

Audio frequency - Wikipedia

    https://en.wikipedia.org/wiki/Audio_frequency
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audio frequency (AF) :: ITWissen.info

    https://www.itwissen.info/index.php/en/audio-frequency-AF.html
    audio frequency (AF) Audio Frequencies (AF) are sinusoidal sound waves in the audible frequency range between 20 Hz, corresponding to a very low tone, and 20 kHz, for extremely high tones. One of the reference tones is the concert pitch a' at 440 Hz.

AF - Audio Frequency - All Acronyms

    https://www.allacronyms.com/AF/Audio_Frequency
    AF means Audio Frequency. AF. Audio Frequency. Abbreviation is mostly used in categories: Technology Electronics Amateur Radio Aviation Computing. Rating: 42. 42 votes.

Audio Frequency (AF) Amplifiers - Thomasnet

    https://www.thomasnet.com/products/audio-frequency-af-amplifiers-1552009-1.html
    Manufacturer of standard and custom radio frequency (RF), intermediate frequency (IF), and audio frequency (AF) amplifiers. Types are ambient, thermal electric-cooled, and cryogenic-cooled amplifiers. Specifications include frequency range of 300 MHz to 30 GHz, gain level of 20 dB up to 70 dB, and noise figure of 0.40 dB up to 1.50 dB.

Full Form of AF in Frequency Bands | FullForms

    https://fullforms.com/AF/Audio-Frequency/6600
    What does AF mean? Audio Frequency (AF) is a range of audio frequencies that are audible to the human ear, generally between 20 and 20,000 Hz.

Audio frequency generator (AF oscillator) – RV3YF Amateur ...

    https://rv3yf.us/products/audio-frequency-generator-af-oscillator
    Frequency range: 20-20,000 Hz, Output AF voltage – 1.5 V, Supply: ~AC 12-20V. Kit include: manual in English, PCB, all elements for the project + switcher and variable resisto r.

AF( Audio frequency)and RF (Radio frequency)CHOKES

    https://learnece9.blogspot.com/2019/11/af-and-rf-chokes.html
    1)AUDIO FREQUENCY (AF):-AF chokes are generally iron core coils .It has several 100's of turns on iron core to give high inductance values . Applications:-1)used as filter chokes in radio and T.V receivers 2)Used as modulating chokes in transmitters 2)RADIO FREQUENCY:-

AF - Audio Frequency

    https://www.abbreviations.com/term.php?key=29634
    af.af is the Internet country code top-level domain for Afghanistan. It is administered by AFGNIC, a service of the UNDP and the Islamic Republic of Afghanistan. Registration is made directly at the second level, or on the third level beneath various categorized subdomains at the second level.

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