ac hum это:

ac hum
1) гудение
2) фон (от сети) переменного тока

Англо-русский словарь технических терминов. 2005.

Смотреть что такое "ac hum" в других словарях:

  • Hum-bucker — A&V A circuit (often a coil) that introduces a small amount of voltage at power line frequency into the video path to cancel unwanted ac hum …   Audio and video glossary

  • hum — [ ɶm; hɶm ] interj. • 1611; onomat. ♦ Interjection qui exprime généralement le doute, la réticence. ⇒ hem. Hum ! ça m étonnerait ! Hum ! cela cache quelque chose ! « Hum ! qu est ce que je te disais ? » (Aragon). ⇒HEM, HUM, mot inv. A. [Gén.… …   Encyclopédie Universelle

  • Mains hum — Spectrum of mains hum at 60 Hz Mains hum, electric hum, or power line hum is an audible oscillation of alternating current at the frequency of the mains electricity, which is usually 50 Hz or 60 Hz, depending on the local power… …   Wikipedia

  • Principality of Hum — was a medieval Serbian principality that existed between 12th and 14th century in Herzegovina region of present day Bosnia and Herzegovina. Between 12th and 13th century, the principality was ruled by princes from Nemanjić dynasty its first… …   Wikipedia

  • Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …   Wikipedia

  • Cheater plug — For the cheater cord, a cable formerly used by radio technicians, see Vacuum tube#AC power. A cheater plug, with metal grounding tab A cheater plug, AC ground lifter or three prong/two prong adapter is an adapter that allows a NEMA 5 15P… …   Wikipedia

  • Eric Johnson — Infobox musical artist Background = non vocal instrumentalist Name = Eric Johnson Born = Birth date and age|1954|8|17 Austin, Texas, USA Alias = EJ Genre = Instrumental rock, Hard rock Associated acts = G3, Alien Love Child, Electromagnets Label …   Wikipedia

  • фон (от сети) переменного тока — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN ac hum …   Справочник технического переводчика

  • húmac — húm|ac m 〈G mca, N mn mci, G hȗmācā〉 ekspr. humak (1) [s bratom sjela ∼cu na vrhuncu] …   Veliki rječnik hrvatskoga jezika

  • MAIN — La main, organe de préhension et récepteur sensitif important, est l’apanage des Primates et de l’homme. En vérité, la main humaine possède une signification particulière, car elle se trouve à l’extrémité du membre supérieur qui est libéré des… …   Encyclopédie Universelle

  • hem — [ ɛm; hɛm ] interj. • XVIe; onomat. ♦ Interjection servant à appeler (⇒ hé, holà), à interroger (⇒ hein), à exprimer le doute, un scepticisme moqueur, certains sous entendus (⇒ hum). « Hem ? quoi ? que voulez vous ? » (Marivaux). ♢ Onomatopée… …   Encyclopédie Universelle


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