coax meaning

^ Reflections also introduce standing waves, which cause increased losses and can even result in cable dielectric breakdown with high-power transmission (see Impedance matching).

Leakage of signals into and out of cable TV systems can cause interference to cable subscribers and to over-the-air radio services using the same frequencies as those of the cable system. { bidder: 'sovrn', params: { tagid: '446382' }}, { bidder: 'sovrn', params: { tagid: '705055' }},

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The major disadvantage is that the cable, as its name implies, is not very flexible, and is not intended to be flexed after initial forming.

Usage explanations of natural written and spoken English, 0 && stateHdr.searchDesk ? ln Some lower-quality hard line may use aluminum shielding, aluminum however is easily oxidized and unlike silver oxide, aluminum oxide drastically loses effective conductivity.

The combination of copper, aluminium, moisture and air caused rapid corrosion, sometimes resulting in a 'snake swallowed an egg' appearance. { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }},

One technique, known as melodic intonation therapy, uses music to. The congregation was warm, friendly, and welcoming—traits, he says, he later came to believe they used to coax members in. is the differential surface. And so the men tried to coax the animals to the edge of the cliff. o Coaxial cable was used in the first (1858) and following transatlantic cable installations, but its theory wasn't described until 1880 by English physicist, engineer, and mathematician Oliver Heaviside, who patented the design in that year (British patent No. var mapping_topslot_a = googletag.sizeMapping().addSize([746, 0], []).addSize([0, 550], [[300, 250]]).addSize([0, 0], [[300, 50], [320, 50], [320, 100]]).build();

} ϵ By coaxing the subject to imagine the scene, you could accelerate this confabulation. { bidder: 'sovrn', params: { tagid: '346693' }}, is the magnetic flux and Shorter coaxials still carry cable television signals to the majority of television receivers, and this purpose consumes the majority of coaxial cable production.

{ bidder: 'sovrn', params: { tagid: '387232' }}, iasLog("criterion : cdo_t = expressing-agreement-and-support"); var pbMobileLrSlots = [ "loggedIn": false ϕ r { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, iasLog("criterion : cdo_c = " + ["jobs_education_resumes"]); For example, braided shields have many small gaps. For a coaxial cable with air dielectric and a shield of a given inner diameter, the attenuation is minimized by choosing the diameter of the inner conductor to give a characteristic impedance of 76.7 Ω.

iasLog("criterion : cdo_ptl = entry-lcp"); Common mode current occurs when stray currents in the shield flow in the same direction as the current in the center conductor, causing the coax to radiate. 'max': 3, They are bound to have it guarded, an' we've got to coax him out somehow. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

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Twin-lead transmission lines have the property that the electromagnetic wave propagating down the line extends into the space surrounding the parallel wires. { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, { bidder: 'appnexus', params: { placementId: '11654157' }}, r From around 1999 to 2005 (when CT100 manufacturer Raydex went out of business), CT100 remained the 75 ohm cable of choice for satellite TV and especially BskyB. A propagating surface-wave mode that does not involve or require the outer shield but only a single central conductor also exists in coax but this mode is effectively suppressed in coax of conventional geometry and common impedance. if(pl_p) [4] The shield might be just two braids, but it is more common now to have a thin foil shield covered by a wire braid.

Consequently, various solutions to exclude moisture have been proposed. L

Most coaxial cables have a characteristic impedance of either 50, 52, 75, or 93 Ω. Since shields cannot be perfect conductors, current flowing on the inside of the shield produces an electromagnetic field on the outer surface of the shield.

ln }); π dfpSlots['leftslot'] = googletag.defineSlot('/2863368/leftslot', [[120, 600], [160, 600]], 'ad_leftslot').defineSizeMapping(mapping_leftslot).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'left').setTargeting('ad_group', Adomik.randomAdGroup()).addService(googletag.pubads()); One should also know the inductance and capacitance of the two concentric cylindrical conductors which is the coaxial cable.

iasLog("setting page_url: - https://dictionary.cambridge.org/dictionary/english/coax"); Coaxial cable, or coax (pronounced /ˈkoʊ.æks/) is a type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield, with the two separated by a dielectric (insulating material); many coaxial cables also have a protective outer sheath or jacket. 1858 — Coaxial cable used in first (1858), 1929 — First modern coaxial cable patented by, 1936 — World's first underwater coaxial cable installed between, 1936 — AT&T installs experimental coaxial telephone and television cable between, 1941 — First commercial use in USA by AT&T, between. 'max': 8, 'increment': 1, L [2] Larger diameter cables and cables with multiple shields have less leakage. googletag.pubads().setTargeting("cdo_tc", "resp"); Why Do “Left” And “Right” Mean Liberal And Conservative? Coax does not have this problem, since the field is enclosed in the shield. C You can also find related words, phrases, and synonyms in the topics: Improve your vocabulary with English Vocabulary in Use from Cambridge.Learn the words you need to communicate with confidence. 42.7 @ 900 MHz, 26.2 @ 1000 MHz, Core material: Ag-plated Cu-clad steel, PTFE jacket suitable for direct burial, Core material: Ag-plated Cu-clad steel. Coaxial cable may be viewed as a type of waveguide. is the permeability of free space,

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Coaxial lines can therefore be bent and moderately twisted without negative effects, and they can be strapped to conductive supports without inducing unwanted currents in them, so long as provisions are made to ensure differential mode signal push-pull currents in the cable.

By taking many copies of the protein, they coaxed them into forming a patterned, crystalline lattice (see photo).

For each outer diameter, either 75 or 50 ohm inner tubes can be obtained. ; cajole: He coaxed her to sing, but she refused.

Used for long drops and underground conduit, similar to RG7 but generally lower loss.

It is a coaxial cable constructed using round copper, silver or gold tubing or a combination of such metals as a shield. Wondering how American your vocabulary really is? Coaxial cables require an internal structure of an insulating (dielectric) material to maintain the spacing between the center conductor and shield. to decide you are going to do something and to put a lot of effort into doing it, Soft spots and big guns (Idioms and phrases in newspapers), Clear explanations of natural written and spoken English.

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