{"id":2605,"date":"2010-10-10T21:00:05","date_gmt":"2010-10-11T03:00:05","guid":{"rendered":"http:\/\/ishmaels.net\/blog\/?p=2605"},"modified":"2010-10-10T21:00:05","modified_gmt":"2010-10-11T03:00:05","slug":"the-various-categories-of-coaxial-cable","status":"publish","type":"post","link":"https:\/\/www.ishmaels.net\/blog\/2010\/10\/10\/the-various-categories-of-coaxial-cable\/","title":{"rendered":"The Various Categories Of Coaxial Cable"},"content":{"rendered":"

Now for a little Ham<\/strong> RAdio review – WD0AJG<\/p>\n

The coaxial cable was invented in 1929. However, its commercial use<\/strong> started only in 1941. Coaxial cables consist of round, cylindrical shaped wires which is covered by a spacer, a cylinder shaped sheath which in turn is surrounded by an insulating jacket. Coaxial cable is basically an electrical cable and is used to transfer high frequency signals<\/strong>. The electromagnetic field generated is present in between the inner and the outer conductors. There is therefore less interference from outer electromagnetic fields. This type<\/strong> of cabling is used for industries like cable TV<\/strong> and networking<\/strong>. Coaxial cabling is a bit more costly than normal telephone cabling. However, it is preferred because it allows maximum transmission of data and information with the least interference.<\/p>\n

These cables are normally of two types- flexible and rigid. Rigid cables consist of solid type<\/strong> of sheath and flexible cable consists of braided type<\/strong> sheath of copper. The inner insulator (or dielectric) affects the cable’s properties, such as attenuation and impedance. RF<\/strong> connectors are used to connect the ends of coaxial cables. Dielectric may be solid or perforated with small holes.<\/p>\n

The RF<\/strong> connector is a short and a rigid type<\/strong> of cable having the same impedance as that of cable with which it is associated. However, the dielectric may not be same. The connectors with high quality are normally coated with gold, but lower quality cables are coated with nickel. Silver is also used (but only in case of high-end connectors) as its conductivity is really good. Silver plating normally requires additional coating because of its oxidation in air.<\/p>\n

A full list of the various type<\/strong> of coaxial cable can be found at category5-cable.com\/plenum-cat-5.html, and are summarized below:<\/p>\n

Hard Line – These are the powerful cables with rigid outer shield and with minimum loss. Normally used to connect a transmitter and an antenna. These cables consists of high dielectric in high temperature as well.<\/p>\n

Tri axial – Cable with three layers of shielding and the outermost shielding protecting the inner layers from from outer electromagnetic interference.<\/p>\n

Twin axial – This cable consists of a twisted pair covered by a shield.<\/p>\n

Bi axial – Consists of two 50O coaxial cables used for networking<\/strong>.<\/p>\n

Semi rigid – It is a coaxial cable with solid outer copper sheath.<\/p>\n

Short type<\/strong> of coaxial cables are basically used for home video, ham radio<\/strong> and some small computer networks while long coaxial cables connect radio<\/strong> or television networks. Micro coaxial cables are used by the military or medical use<\/strong>.<\/p>\n

Micro coaxial cables are used in a range of consumer devices, military equipment and also in ultra-sound scanning equipment. The cables with impedances of 50\/52 and 75 ohms are commonly used. 50\/52 ohm cables are normally used for commercial purposes while 75 ohm cables are used for domestic purpose.<\/p>\n

Russell Clark owns and operates www.category5-cable.com<\/a><\/p>\n

Author: Russel Clark<\/a>
\nArticle Source: EzineArticles.com<\/a>
\nDuty on LCD\/Plasma TV<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

An Introduction to Cat 5 Cabling. <\/p>\n

“And Now the Rest of the Story – “The Various Categories Of Coaxial Cable<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[6],"tags":[],"class_list":["post-2605","post","type-post","status-publish","format-standard","hentry","category-hobbies","odd"],"yoast_head":"\nThe Various Categories Of Coaxial Cable - And That was How it Went<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ishmaels.net\/blog\/2010\/10\/10\/the-various-categories-of-coaxial-cable\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Various Categories Of Coaxial Cable - And That was How it Went\" \/>\n<meta property=\"og:description\" content=\"An Introduction to Cat 5 Cabling. 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Unlike current Mil Spec coax which must meet tough specific criteria, RG coax made today meets only the standards of the company producing it. In certain applications\u2026","rel":"","context":"In "Hobbies"","block_context":{"text":"Hobbies","link":"https:\/\/www.ishmaels.net\/blog\/category\/hobbies\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7049,"url":"https:\/\/www.ishmaels.net\/blog\/2011\/07\/10\/comparison-and-selection-of-microwave-and-rf-coaxial-adapters\/","url_meta":{"origin":2605,"position":1},"title":"Comparison and Selection of Microwave and RF Coaxial Adapters","author":"wd0ajg","date":"July 10, 2011","format":false,"excerpt":"When one looks to select a microwave\/rf coaxial adapter, at first glance there is a wide variation between pricing for apparently similar parts. As an example, a glance at what's available on the web shows N\/M-SMA\/f coaxial adapters ranging from $3 to $110. This article will address the differences between\u2026","rel":"","context":"In "Hobbies"","block_context":{"text":"Hobbies","link":"https:\/\/www.ishmaels.net\/blog\/category\/hobbies\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8846,"url":"https:\/\/www.ishmaels.net\/blog\/2011\/11\/27\/are-you-as-sharp-as-you-think\/","url_meta":{"origin":2605,"position":2},"title":"Are you as sharp as you think?","author":"wd0ajg","date":"November 27, 2011","format":false,"excerpt":"I find that the years and lack of keeping up have dulled some of my knowledge on the subjects of Ham Radio.\u00a0 How about you?\u00a0 Are you keeping up, remembering things? I k now there are a ton of changes and things are really different than when I started but\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":14109,"url":"https:\/\/www.ishmaels.net\/blog\/2013\/06\/11\/cable-mans-nightmare\/","url_meta":{"origin":2605,"position":3},"title":"Cable-mans nightmare","author":"wd0ajg","date":"June 11, 2013","format":false,"excerpt":"I would hate to be in the cable TV or telephone service here\u2026 It just doesn\u2019t look to safe with the power lines right there as well? \u00a0 WD0AJG","rel":"","context":"In "Hobbies"","block_context":{"text":"Hobbies","link":"https:\/\/www.ishmaels.net\/blog\/category\/hobbies\/"},"img":{"alt_text":"SAM_9166-001","src":"https:\/\/i0.wp.com\/ishmaels.net\/blog\/wp-content\/uploads\/2013\/06\/SAM_9166-001_thumb.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":409,"url":"https:\/\/www.ishmaels.net\/blog\/2010\/04\/24\/tower-project-continued\/","url_meta":{"origin":2605,"position":4},"title":"Tower project – continued","author":"wd0ajg","date":"April 24, 2010","format":false,"excerpt":"Well yesterday we got the hole dug and the base unit set in concrete. Starting the 30 inch hole (actually measured 36 at surface] Here we are about 1\/2 of the total depth = 3.0ft.\" We got 3\/4 inch rain during the night so it was pretty wet, but I\u2026","rel":"","context":"In "Hobbies"","block_context":{"text":"Hobbies","link":"https:\/\/www.ishmaels.net\/blog\/category\/hobbies\/"},"img":{"alt_text":"20100423084058","src":"https:\/\/i0.wp.com\/box5128.temp.domains\/~ishmaels\/blog3\/wp-content\/uploads\/2018\/11\/20100423084058_thumb.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":442,"url":"https:\/\/www.ishmaels.net\/blog\/2010\/05\/03\/it-stands\/","url_meta":{"origin":2605,"position":5},"title":"It stands!","author":"wd0ajg","date":"May 3, 2010","format":false,"excerpt":"Well it is up and has one (1) antenna on it for now... \"Up with one antenna on top. What next?\"] \u00a0 Ground elevation here is about 1003ft ASL. 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