Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siye

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Tauraron tauraron dan adam TV na iya isa mafi keɓance sasanninta na duniya, inda babu masu ba da sabis na yau da kullun da hasumiya masu watsa shirye-shirye. Ana shigar da ƙananan tsarin da ke wanzu a kowane wuri. Gilashin tauraron dan adam zai samar da hoto mai launi da haske. Amintaccen liyafar ya dogara da saituna da kayan aikin fasaha. Kebul don “tasa” yana da ikon ingantawa da kiyaye alamun inganci, da kuma rage yuwuwar idan an zaɓi zaɓi mara kyau.

Contents
  1. Satellite tasa Cable na’urar
  2. Babban halayen kebul na coaxial don tasa tauraron dan adam
  3. Diamita na waya ta tsakiya
  4. Tashin hankali
  5. Ka’idar aiki na coax
  6. Abin da ake nema lokacin zabar kebul don haɗa tasa tauraron dan adam zuwa TV
  7. Abun harsashi na waje
  8. Tsarin rufin ciki
  9. Ikon lankwasawa na USB
  10. Ana shirya kebul don shigarwa
  11. Yadda ake ba da kebul don haɗi
  12. Abin da za a kula da shi lokacin shigar da layin kebul
  13. Yadda za a bincika amincin kebul na coaxial da aka shimfiɗa
  14. Gano wurin lalacewa ta amfani da kayan aikin da ke akwai
  15. Amfani da na’urori masu ɗaukar nauyi
  16. Shahararrun samfuran kebul na coaxial don tasa tauraron dan adam
  17. RK-75
  18. RG-6U
  19. SAT-50
  20. SAT-703
  21. DG-113
  22. Tambayoyin da aka fi yawan yi

Satellite tasa Cable na’urar

Menene manufar kebul na talabijin don tasa tauraron dan adam:

  • kawo siginar daga eriya zuwa TV tare da ƙarancin hasara;
  • kare kariya daga tsangwama na lantarki na waje;
  • kula da aiki a ƙarƙashin nauyin injina, a cikin yanayi mai wahala.

Kebul na coaxial yana jure wa ayyukan. Ya dace da watsawa (liyafar ta hasumiya ta TV ko eriya ta cikin gida) da kuma tauraron dan adam. Saboda haka, babu bambance-bambance a cikin zane. Ana amfani da kayan daban-daban kawai. [taken magana id = “abin da aka makala_3206” align = “aligncenter” nisa = “582”]
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeYadda kebul na coaxial ke aiki[/ taken magana]

  1. Matsakaicin sarrafawa (waya ta tsakiya). Wanda aka yi gabaɗaya ko a fili. Kayan abu shine jan karfe, aluminum, karfe da azurfa-plated gami.
  2. Insulation (na ciki). Dielectric
  3. Screen (aluminum foil). Yana kariya daga tsangwama na lantarki na waje.
  4. Tagulla tagulla. Ƙarin fasali na kariya.
  5. Harsashi na waje. Kariya daga tasirin injiniya da abubuwan halitta.

Babban halayen kebul na coaxial don tasa tauraron dan adam

A matsayin jagorar siginar lantarki, samfurin yana da fasalulluka na fasaha da na zahiri.

Diamita na waya ta tsakiya

Dokokin injiniyan lantarki sun bayyana cewa alternating current galibi yana yaduwa a saman madubin. Mafi ƙarancin yuwuwar yana kusa da cibiyar. Saboda haka, lokacin farin ciki da mahimmancin gudanarwa, ƙarancin attenuation wanda ke shafar kewayon. Daidaitaccen diamita na tsakiyar waya don eriyar talabijin: 0.5-1 mm. Don “farantin” kuna buƙatar akalla 1 mm. [taken magana id = “abin da aka makala_3219” align = “aligncenter” nisa = “800”]
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeBabban cibiyar[/taken magana]

Tashin hankali

Naúrar ma’auni shine Ohms (Ohm). Don eriya ta talabijin da tauraron dan adam, ana amfani da ƙimar 75 ohms. Wannan shi ne abin shigar da mai haɗin kebul wanda ke haɗa kebul a ciki. Rashin daidaituwa a lambobi zai haifar da raguwa a cikin yuwuwar yanzu. Idan babu daidaitattun juriya na waya, yana yiwuwa a haɗa tare da halaye daban-daban akan ɗan gajeren nisa. Misali, a cikin gida mai zaman kansa.

Ka’idar aiki na coax

Ya dogara ne akan bayyanar igiyoyin lantarki na lantarki a cikin kebul. An zaɓi diamita na tsakiya na tsakiya da allon ta hanyar da za a rage yawan asarar sigina. Ƙwaƙwalwar ba ta ƙyale filin ya wuce waya ba, yana haifar da kamannin jagorar igiya.

Abin da ake nema lokacin zabar kebul don haɗa tasa tauraron dan adam zuwa TV

Tasan tauraron dan adam na’urar waje ce. An shimfiɗa wani ɓangare na layin kebul a cikin sarari. Muhimman fasali na zaɓin coax.

Abun harsashi na waje

Ana ba da shawarar tushe na polyethylene, wanda ba shi da sauƙi ga abubuwa masu rikitarwa: mummunan yanayi, canjin zafin jiki. Tsarin kasafin kuɗi na PVC (polyvinyl chloride) ba zai cece ku daga bayyanar fashe a cikin sanyi ba, wanda ke lalata rufin. Daga baya, danshi yana shiga ciki, yana haifar da gajeren lokaci. Za a yi rashin aiki na kayan aiki. Masu kera suna ba da coaxes tare da impregnation na musamman don yanayi mai wahala.

Tsarin rufin ciki

Watsa shirye-shiryen tauraron dan adam yana da fasalin yaduwa – ana buƙatar layin gani kai tsaye tsakanin tushen radiation da eriya. Wani reshe na bishiya mai girgiza, tsarin da ke kusa, da faɗuwar dusar ƙanƙara na iya haifar da matsala mai yawa. Yana da mahimmanci don kula da matakin karɓar siginar da ke akwai kuma kawo shi zuwa mai karɓa. Baya ga siginar talabijin, ana watsa umarnin sarrafa musanya akan kebul. Ya kamata ku zaɓi samfur tare da allon ciki biyu: lanƙwasa ( raga) da Layer na foil na aluminum.

Ikon lankwasawa na USB

Da wuya a iya shimfiɗa layi madaidaiciya. Sabili da haka, ana bada shawara don ƙayyade amsawar waya zuwa hutu. [taken magana id = “abin da aka makala_3207” align = “aligncenter” nisa = “619”]
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeDuba kebul don hutu[/ taken magana] Ƙaƙƙarfan kusurwar babban kwasfa yana nuna ƙarancin kwanciyar hankali. Abubuwan ciki na ciki suna kwance a haɗe zuwa rufi. Karaya mai zagaye yana nuna ƙarfin tsarin, kusancin kusancin abubuwan waya da juna. Daidaitaccen kauri na coax don tasa tauraron dan adam: 6mm.

Ana shirya kebul don shigarwa

Kwararrun masana sun ce wutar lantarki ita ce kimiyyar sadarwa. Rashin cin mutuncin haɗin kai yana rushe aikin shimfida layin.

Yadda ake ba da kebul don haɗi

Idan nisa daga mai karɓa zuwa tasa na tauraron dan adam har zuwa mita 10-15, to yana yiwuwa a saya samfurin da aka shirya tare da masu haɗawa. Idan ya cancanta, ana amfani da masu haɗawa. Ana sanya lambar F na fom mai zuwa a ƙarshen waya. [taken magana id = “abin da aka makala_3208” align = “aligncenter” nisa = “350”]
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeF fil[/taken magana] Mai haɗin haɗin yana da alama (misali): Toshe F (nut) akan RG-6 (zinc) (F113-55). Babban mai nuna alama: RG-6. Wannan yana nufin an ƙera shi don kebul na RF tare da diamita na 6 mm akan rufin waje. Yadda ake gyara F-connector da kyau akan coax ana nuna su a cikin bidiyon: https://youtu.be/4geyGxfQAKg Cable stripping don tauraron dan adam:
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siye

Abin da za a kula da shi lokacin shigar da layin kebul

Kafin sayen waya, kana buƙatar bayyana tsawon hanya, sassa masu wuya.

Muhimmanci! Ya kamata a yi shigarwa “har abada”, ba tare da ƙarin gyare-gyare ba kuma barin “don daga baya”.

An ba da shawarar:

  1. A guji kaifi lankwasa.
  2. Lokacin fita daga bango zuwa titi, yi madauki yana nuna ƙasa. Danshi a lokacin ruwan sama zai digo, kuma kada ya zube cikin rami tare da harsashi.Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siye
  3. Lokacin shigar da firam ɗin katako, tono rami mafi girma a diamita (ta 1 mm) fiye da kauri na kebul.
  4. Kar a huda firam ɗin filastik. Tare da ƙirar hermetic, tsarin zai iya cika da gas a matsayin taga mai gilashi biyu. Yi amfani da rata tsakanin taga da bangon da ke cike da kumfa mai hawa. Sau da yawa irin wannan ƙaddamarwa yana samuwa daga ƙasa na windowsill.
  5. A cikin gida, ɓoye wayoyi a cikin akwatin filastik ko a cikin allunan siket tare da tashoshi na USB.Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeWace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siye
  6. Kada a kwanta tare da wayoyi na lantarki, kusa da na’urori masu ƙarfi da kayan aiki. Wannan na iya zama tushen tsangwama.Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siye
  7. Ya kamata a rufe wuraren fita zuwa wuraren buɗewa. Layukan da ke kan saman tsaye na waje bai kamata su yi kasala ba ko kuma su yi murzawa cikin yardar rai a yanayin iska.
  8. Guji haɗi da yawa ta hanyar haɗi a duk lokacin da zai yiwu.

Yadda za a bincika amincin kebul na coaxial da aka shimfiɗa

Yana faruwa cewa ingancin hoton ya ragu, akwai ripples akan allon, ratsi masu launi , ko lalata hoton a cikin ƙananan murabba’ai. Karyawar sauti.

Gano wurin lalacewa ta amfani da kayan aikin da ke akwai

Yiwuwar ɓarna kuskure yana ƙaruwa tare da amfani da hanyoyin sigina da yawa. Abubuwan da za su iya haifar da lalacewar ingancin hoto ko asarar sigina an tattauna su da ƙwarewa a cikin bidiyon: https://youtu.be/gYy2R_1W9Zs Yadda ake duba kebul na tasa tauraron dan adam: https://youtu.be/pmQ9oOzqoYo Bayan kafa wurin da ya lalace, jiki ne. duba na USB ne da za’ayi.

Amfani da na’urori masu ɗaukar nauyi

Kuna buƙatar gwajin gida (multimeter) wanda ke ba ku damar gani (acoustically) tantance amincin tsakiya da kuma rashin ɗan gajeren kewayawa tare da allon.
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeHanyar duba sashe da yawa a jere akan babbar hanya:

  1. Cire haɗin (cire) waya daga ma’anar magana mafi kusa da ɗakin.
  2. Rage masu haɗin haɗin, yantar da allon fuska da tsakiya.
  3. Shirya na’urar don auna juriya (bisa ga umarnin).
  4. Duba layin zuwa eriya. Haɗa masu binciken zuwa tsakiyar tsakiya da ƙwanƙwasa ƙarfe. Muhimmanci. Dole ne masu gudanarwa su taɓa. Idan ainihin yana cikin yanayi mai kyau, na’urar za ta nuna ƙima banda ɗaya, amma ba sifili ba. Lokacin da aka rufe, karatun zai zama sifili (ko nuna 0), kuma siginar sauti zai bayyana (idan ƙirar na’urar ta tanadar). Multimeter ba zai amsa hutu ba, yana barin ƙimar 1 ba canzawa.
  5. Hakazalika, duba waya ta hanyar dakin. Dole ne a haɗa kebul zuwa mai karɓa.

Ana ba da shawarar misalin kira akan bidiyon: https://youtu.be/k0fS-doHtDY

Shahararrun samfuran kebul na coaxial don tasa tauraron dan adam

Daga cikin nau’ikan akwai duka kasafin kuɗi da samfuran tsada. Wanne kebul ne ya fi dacewa don “tasa”? Bayanin shahararrun zane-zane, da fa’ida da rashin amfaninsu.

RK-75

Na kowa gida na USB.
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeSashin giciye na tsakiyar waya ya bambanta tsakanin murabba’in murabba’in 0.75-1.63. mm, polyethylene kumfa na waje harsashi. Amfani:

  • iyawa;
  • yanayin amfani: -/+ 60 gr. DAGA

Rashin hasara:

  • zažužžukan tare da allon waƙaƙƙen Layer guda ɗaya yana yiwuwa.

RG-6U

Samar da kasar Sin. Bayani na RK-75 Copper tsakiya madugu (1 mm) ko tagulla-plated karfe core.
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeAmfani:

  • garkuwa biyu;
  • don kewayon mitar har zuwa 3 GHz (tashoshin watsa shirye-shiryen tauraron dan adam).

Rashin hasara:

  • Ƙwararren PVC na waje ya dace kawai don shimfiɗar waƙa na ciki.

SAT-50

Italiyanci alamar coax. Haɓaka kaddarorin gudanarwa don hawa nesa. Allon fuska biyu, 1 mm kauri core jan karfe.
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeAmfani:

  • kebul na ɓangaren tsakiyar farashin tare da ingantattun halaye;
  • sharuddan amfani sun dace da yawancin yankuna na Rasha.

Rashin hasara:

  • harsashi mai laushi (sags a manyan nisa tsakanin abubuwan da aka makala).

SAT-703

Ingantaccen analog na SAT-50. Tsayin tsakiya diamita: 1.13 mm. Rage hasara yayin yaduwar sigina akan nisa mai nisa.
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeAmfani:

  • jure yanayin yanayi mai wahala;
  • kwanciya tsawon daga 50 mita.

Rashin hasara:

  • mafi ƙarancin lanƙwasawa diamita shine 35-40 mm.

DG-113

Masana sun yi alama a matsayin mafi kyau ga kewayon watsa shirye-shiryen tauraron dan adam. Abubuwan kariya na allon suna kusa da 90 dB, wanda ke kawar da tasirin tsoma baki na waje gaba ɗaya.
Wace kebul ɗin tasa na tauraron dan adam za a zaɓa da yadda ake duba ta kafin siyeAmfani:

  • karko, amintacce
  • rigakafi ga yanayin m;
  • ƙaramar sigina attenuation.

Rashin hasara:

  • farashin.

Tambayoyin da aka fi yawan yi

Wanne cibiya ya fi kyau: jan ƙarfe ko ƙarfe? Copper yana da mafi kyawun halayen lantarki. Mai gudanar da cibiyar na iya zama na sauran gami. Wannan ba ya lalata aikin, tun da ana amfani da sputtering tagulla a saman. Menene bambanci tsakanin wayoyi masu rufin waje baki da fari? Har zuwa kwanan nan, an yi imanin cewa an yi nufin kebul mai launi mai haske don yin amfani da wutar lantarki na cikin gida, baƙar fata – don wuraren waje. Alamar zamani ba ta dace da irin wannan gradation ba. Ana ba da shawarar duba lokacin siye. Mai siyar ya ce kebul ɗin “ƙananan mita”, menene wannan ke nufi? The conductive Properties na core zai attenuate mafi girma band tauraron dan adam tashoshi. Shin zai yiwu a haɗa kebul na 50 ohm idan babu waya 75 ohm?A ƙananan nisa (har zuwa mita 10) tsakanin tauraron tauraron dan adam da mai karɓa an yarda. Ingancin siginar ya dogara da abubuwa da yawa. Zaɓin da ya dace na kebul yana ba da gudummawa ga ingantaccen aiki ba tare da ƙarin amfani da amplifiers lokacin shigar da layin ba.

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