- bands of frequencies
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English-Bulgarian polytechnical dictionary . 2013.
bands of frequencies
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bands — F/A/V a grouping or range of frequencies … Audio and video glossary
North American cable television frequencies — In North American cable TV networks, the radio frequencies used to carry signals to the customer are allocated to standardarized channel numbers listed in the CEA standard 542. Cable channel frequencies are generally different from off air… … Wikipedia
GSM frequency bands — or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones. Contents 1 GSM frequency bands 1.1 GSM 900, GSM 1800 and EGSM/EGSM 900 1.1.1 GSM 1800 … Wikipedia
Cellular frequencies — All cellular phone networks worldwide utilize a portion of the radio frequency spectrum designated as Ultra High Frequency, or UHF , for the transmission and reception of their signals. The UHF band is also shared with Television, Wi Fi and… … Wikipedia
North American broadcast television frequencies — The North American broadcast television frequencies are on designated television channels numbered 2 through 69, approximately between 54 and 806 MHz. Traditionally, the frequencies are divided into two sections, the very high frequency (VHF)… … Wikipedia
Critical bands — The term critical band, introduced by Harvey Fletcher in the 1940s, referred to the frequency bandwidth of the then loosely defined auditory filter. Since Georg von Békésy’s studies (1960), the term also refers literally to the specific area on… … Wikipedia
UMTS frequency bands — or frequency ranges are the radio spectrum frequencies designated for the operation of the UMTS / HSDPA / HSUPA / HSPA+ system for mobile phones. UMTS FDD UMTS FDD is designed to operate in the following paired bands:Deployment in other frequency … Wikipedia
Shortwave bands — are frequency allocations for use within the high frequency radio spectrum. They are the primary medium for applications such as marine communication, international broadcasting, and worldwide amateur radio activity because they take advantage of … Wikipedia
Amateur radio frequency bands in India — Amateur radio or ham radio is a hobby that is practised by over 16,000 licenced users in India.cite news|url=http://www.tribuneindia.com/2005/20050304/nation.htm#10|title=Government to promote amateur radio|last=Ramchandran|first=Ramesh|date=2005 … Wikipedia
Television channel frequencies — The following tables show the frequencies assigned to broadcast television channels in various regions of the world, along with the ITU letter designator for the system used. The frequencies shown are for the video and audio carriers. The channel … Wikipedia
Equalization — Unreferenced|date=July 2007Equalization (or equalisation, EQ) is the process of changing the frequency envelope of a sound in audio processing. In passing through any channel, an audio signal will spread from its original qualities. The goal of… … Wikipedia
