Ngaphandle kophuhliso olukhawulezileyo kwi-Intanethi, imabonwakude ihlala ingumthombo ophambili wolwazi kuninzi lwabemi. Kodwa ukuze i-TV yakho ibe ngumfanekiso osemgangathweni ophezulu, ufuna i-eriyali elungileyo. Akukho mfuneko yokuthenga i-eriyali kamabonwakude esitolo, kuba inokwenziwa ngezandla zakho kwaye igcine imali enesidima ngaxeshanye.
Ungayenza njani i-eriyali ephezulu ye-eriyali yosasazo olwahlukeneyo losasazo kwaye yintoni esiyisebenzisayo, unokufumana inqaku lethu.
Iindidi zee-eriyali
Zininzi iindidi kunye neefom ze-eriyannas kamabonwakude, ngezantsi yeyona nto iphambili kuzo:
- I-Antentenas yokwamkela ijelo "yejensi yeWave".
- I-Antentenas ifumana "i-jave ebalekayo".
- I-Antentenas yesakhelo.
- I-Zigzag Antennas.
- I-Antennasnas.
- I-antentenas.
Ireyithi
I-Antentenas yokufumana umabonwakude wedijithali
Ilizwe liphela, kuquka ilizwe lethu, litshintshelwe kwisisasazo se-alog ukuya kwidijithali. Ke ngoko, ukwenza i-eriyali ngezandla zakho okanye ukuyithenga evenkileni, kufuneka wazi ukuba yeyiphi i-eriyali elungele ukufumana ifomathi ye-DVBB-T2:
- Igumbi le-eriyali-efanelekileyo yokufumana umqondiso kwifomathi ye-DVB-T2 kumgama weekhilomitha ezili-10 ukusuka kwi-restere. Ngokomgaqo, kule gama, umqondiso uyakwazi ukwamkela kwane wire eqhelekileyo efakwe kwi-eriyali yeTV kwaye ibhekiswe kwicala elinqwenelekayo kwaye libhetele, kungcono ukusebenzisa i-antenna yegumbi .
- Uhlobo lwe "Crow" i-eriyali ekwaziyo ukufumana uphawu lwedijithali kumgama oziikhilomitha ezingama-30. Olu hlobo lwe-antenna lufakwe ngaphandle kwendawo yokuhlala kwaye alufuni kugxilwe kwi-restore. Kodwa kwiimeko apho umgama ovela kumthombo womqondiso ungaphezulu kweekhilomitha ezingama-30 okanye akukho zivelisi zokuphazamiseka, kuyacetyiswa ukwalathisa i-eriyali kwiTV.
- I-Dipol 19 / 21-69 Antenna - ifumana umqondiso kumgama oziikhilomitha ezingama-50. Ifuna ukufakwa kwindawo yokunyuka kweemitha ezingama-8-10 kunye nolawulo olucacileyo kumthombo wophawu. Kwibhanti ene-Amplifier, kuyakwazi ukufumana uphawu lwedijithali kumgama weekhilomitha ezingama-80. Iimpawu ezigqwesileyo zale-eriyali, zenza zezona ndlela zibalulekileyo zokufumana umqondiso kwifomathi ye-DVBB-T2 kumgama okude ukusuka kwindawo ephindayo evela kwi-restere.
Ukuba uhlala kude nekhompyuter, unokwenza lula i-eriyali elula yokufumana umqondiso kwifomathi ye-DVBB-T2 ngezandla zakho:
- Ukulinganisa iisentimitha ezili-15 zentambo ye-antenna kwisinxibelelanisi.
- Susa ukusuka kumda wokunqamla kwiisentimitha ezili-13 zokudunywa kwangaphandle kunye nepakethi, shiya kuphela intambo yobhedu.
- Jonga umfanekiso weTV, usete intonga kwicala elifanelekileyo.
Yonke i-eriyali ilungile! Kufuneka kuqatshelwe ukuba i-eriyali yokuqala ye-anten ayinakukwazi ukubonelela ngomqondiso omninzi nowazinzileyo kumgama osemdeni nakwiindawo ezinobume bemithombo yokuphazamiseka.
I-antennas yenze ngokwakho
Makhe siqwalasele iindlela ezininzi ze-eriyalide ezinokuthi zenziwe ngokuzimeleyo, kwizinto eziphambili:Ibhasikithi e-Antenna
I-eriyali evela kwiikati zebhiya inokwenziwa ngokoqobo kangangesiqingatha seyure, esandleni sakho. Ewe kunjalo, umqondiso ozinzileyo onjalo i-eriyali enjalo ayizukubonelela, kodwa ukusetyenziswa okwethutyana kweli lizwe okanye kwindawo esuswayo ilunge kakhulu.
Ibhasikithi e-Antenna
Ukwenza i-eriyali oza kuyifuna:
- Ezimbini ze-aluminium zivela phantsi kwebhiya okanye kwesinye isiselo.
- Iimitha ezintlanu zentambo.
- Iplagi.
- Izikrelem ezimbini.
- Isiseko somthi okanye iplastiki apho iibhanki ziya kuqhotyoshelwa khona (uninzi lusebenzisa i-hanger ye-Woonger okanye i-MOPS).
- I-knump, pliers, i-screwdriver, i-tepe ye-irula.
Ukuqinisekisa ukuba zonke ezi zinto zingasentla ziyafumaneka, yenza oku kulandelayo:
- Coca enye isiphelo sentambo kwaye unamathisele iplagi kuyo.
- Thatha isiphelo sesibini sentambo kwaye ususe lodwa kuyo kunye nobude beesentimitha ezili-10.
- Qhekeza umkhuhlane kwaye ucofe kwintambo.
- Susa ungqimba lweplastiki yintambo ye-subble umgama omnye.
- Thatha iibhanki kwaye ujike isikrini embindini okanye kwimbovane kuyo.
- Qhoboshela intonga kwibhanki enye, kunye nomnye intambo yomtya, zitshizile kwizikrelem.
- Qhoboshela iibhanki kwisiseko ngoncedo lweteyiphu.
- Qinisa intambo kwisiseko.
- Faka iplagi kwiTV.
- Ukuhamba igumbi, chonga indawo yolwamkelo olubalaseleyo kwaye lukhuselekile apho i-eriyali.
Kukho ezinye izinto ezahlukeneyo ze-eriyali, eneebhanki ezine nakwisibhozo, kodwa ifuthe elicacileyo lenombolo ye-cans kumgangatho womqondiso awufunyaniswanga.
Indlela yokwenza i-eriyali evela kwi-Beer cans unokufunda kwividiyo:
I-Zigzag Antenna Kharechenko
I-eriyali ifumene igama layo ngo-1961, ngegama lokugqibela layo le-Kharchenko k. P., ngubani ophakamisa ukusebenzisa i-Telecast Entenna yefom ye-zigzag yokwamkela. I-eriyali elungiselelwe kakuhle ukuba ifumane uphawu lwedijithali.
I-antenna kharchenko
Ukwenzela ukwenziwa kwe-zigncag ye-zunten
- Ucingo lobhedu olunobukhulu we-3-5 mm.
- Intambo yeTV 3-5 yeemitha.
- Ithembeko.
- Ukurhweba i-iron.
- Iplagi.
- Ukuthambisa iteyiphu.
- Isiqwenga seplastiki okanye i-plywood kwisiseko.
- Iibhloko ze-fetts.
Okokuqala kufuneka wenze isakhelo se-eriyali. Ukwenza oku, sithatha ucingo kwaye sinqumle iqhekeza le-109 yeesentimitha. Emva koko, hlulelana ucingo ukuze sibe nesakhelo sezibini ezifanayo ezifanayo, icala ngalinye le-RHOMUS kufuneka libe ziisentimitha ezili-13,5, ukusuka kwisentimitha eseleyo, yenza ilogo yokuqinisa ucingo. Sebenzisa i-iron yomthengisi kunye nomthengisi, qhagamshela iziphelo zecingo kwaye uvale isakhelo.
Thatha intambo kwaye ucoce ngendlela onokuthi ube nokukwazi ukulungisa umthengisi ngentonga kunye nesikrini sentambo kwisakhelo. Emva koko, umthengisi wentonga kunye nescreen sentambo embindini wesakhelo. Qaphela ukuba isikrini kunye nentonga akufuneki ichukumise.
Faka isakhelo kwisiseko. Umgama phakathi kweembombo zesakhelo kwindawo yoqhagamshelo kunye nentambo kufuneka ibe ziisentimitha ezimbini. Ubungakanani besiseko senza malunga ne-10 yeesentimitha ezili-10.
Coca isiphelo sesibini sentambo kwaye ufake iplagi.
Ukuba ufuna ukunamathisela isiseko se-eriyali kwirakhi, ukufaka ufakelo lophahla.
Imiyalelo eneenkcukacha ngakumbi yokwenziwa kwe-Antenna Harchenkn, ungabona kwividiyo:
I-coaxial cable i-antenna
Ukwenza i-eriyali ye-eriyali, uyakufuna intambo ye-75-ohm ye-ohm yomnxibelelanisi oqhelekileyo. Ukubala ubude bentambo, kufuneka ukwazi rhoqo ukusasazeka kwedijithali kunye nokwahlula kwi-megahertz ukuya kuma-7500, kwaye isixa esikhuthazayo sijikelezwe.
I-eriyali evela kwintambo
Emva kokufumana ubude bekhebula, yenza oku kulandelayo:
- Coca intambo kwelinye icala kwaye ufake i-eriyali kwisinxibelelanisi.
- Buyisela iisentimitha ezimbini ukusuka kumda wesinxibelelanisi kwaye wenze uphawu oluza kulinganisa ubude be-eriyali.
- Ukulinganisa ubude obufunayo, bulume iipliers ezongeziweyo.
- Kwindawo yokuphawula, susa ukufakwa kunye nomkhuhlane wentambo, ushiye kuphela ukuhlala yedwa.
- Yenza inxenye ehlanjululwe kwi-angle yama-90 degrees.
- Lungelelanisa iseti yeTV nge-eriyali entsha.
Ukudibanisa ulwazi onokuthi ubukele ividiyo:
I-eriyalite ye-eriyali
Kuyimfuneko ukuba wenze ugcino lwe-tuner kunye ne-console ekhethekileyo kufuneka ivume ukwamkelwa komqondiso wesatellite. Ke ngoko, ukuba awunalo esi sixhobo, ukudalwa kwe-eriyalite ye-satelite akuyi kuba nakho, kuba unokwenza kuphela umboniso weParabolic:
- I-Parabola evela kwi-Plexiglas - yenziwe ngokufudumeza. I-Plexiglass ibekwe kwifom ye-disc ye-discleckickickickickickickicki yomyili kwaye ibekwe kwigumbi lobushushu ephezulu. Emva kokuthambisa i-plexiglass, kuthatha ubume bento engenanto. Emva kokupholisa i-plexiglass, ikhutshiwe ngaphandle kwefom kunye neglu ye gesi. I-thabatha kule mveliso yeParabola yekhaya kukuba iindleko zemveliso yazo, zigqithe ixabiso lentengiso lomzi-mveliso.
- Inqaku lesinyithi senziwe kwiphepha lentsimbi le-iron, ubukhulu bemitha ngemitha nganye. Iphepha liqhotyoshelwe kwisimo sokujikeleza kunye nokusika kwenziwa kumda wezikhuselo kwiziko. Emva koko, ishiti libekwe kwipateni ecinyiweyo yomvavanyi kunye "ne" Petals "zibotshelelwe nge-welding yendawo okanye i-ripples.
- I-Mesh Expectoct yenziwe kwifreyimu kunye negridi. Okokuqala, iiparamitha ezibalwa yifomula. Itemplate yenza i-rabolals radial kwi-wire yobhedu. Icandelo locingo likhethiwe ngokusekwe kububanzi be-eriyali. Umzekelo, kwi-eriyali enobukhulu beemitha eziyi-1.5, i-wire ene-4-5 mm ithathiwe. Kuyimfuneko ukwenza iibhanti ezijikelezileyo. Ububanzi bebhanti buguquka kwi-10 ukuya kwi-ukuya kwi-3 ukuya kwi-35 emva kwesakhelo sesakhelo, siqinile kwigridi yobhedu.
Zonke ezi ndlela zilapha ngasentla zinokuthathelwa ingqalelo kwinzala yezemidlalo, kuba ukwenziwa komfanekiso weparabolic kuya kuba nzima kwaye kuyabiza. Ukongeza, ukuvelisa ukubalwa ngokuchanekileyo kweeparameter ze-eriyali ye-satelite e-Inna ekhaya, kunzima kakhulu. Ke ngoko, siyakucebisa ukuba ungahambi kwaye uthenge i-eriyali ye-satellite ngokupheleleyo.
I-antenna amplifier
Ukuba endaweni apho uhlala khona umqondiso obuthathaka umabonwakude kwaye i-eriyali eqhelekileyo ayinakubonelela ngomfanekiso osemgangathweni weTV, emva koko i-antenna ammplifier inokunceda kule meko. Yenza ngezandla zakho, unako ukuba uqonde kancinane kwi-elektroniki kwaye uyazi ukuba urhwebi.
Iimpawu kufuneka zifakwe kufutshane kangangoko kunokwenzeka kwi-eriyali. I-Amplifier yamandla kungcono ukwenza intambo ye-cekial nge-cunction.
Umzobo weMisebenzi yeMimandla
I-cunction iseti emazantsi eTV kwaye kuyo ukusuka kwi-adaptha ixhaswe yi-12 volts. Inqanaba le-Amlifishe eliphindwe kabini lingabi ngaphezu kwe-50 milliamperes, ngenxa yesi sizathu, amandla omnikezeli wamandla akufuneki adlule kwi-watts ezili-10.
Lonke uqhagamshelo lwe-Ampline Amplifier kwi-Mast kufuneka lwenziwe usebenzisa umthengisi, kuba ukufakwa kweempawu zoomatshini kuya kukhokelela ekubonakalisweni nasekuqhubekweni kwimo yemeko yobukrelekrele.
Kukho iimeko apho kufuneka ufumane kwaye uphucule uphawu olubuthathaka phambi kwemiqondiso enamandla evela kweminye imithombo. Kule meko, ubuthathaka kwaye buqinile kwaye buqinile bawe kwigalelo le-inlet. Oku kukhokelela ekuvingce ukusebenza kwe-Amplifier okanye inguqulelo yawo kwimodi ye-nonline ehambelana nemiqondiso, eboniswa kumfanekiso we-Applix ukusuka kwelinye ijelo ukuya kwelinye. Ukulungisa imeko kuya kunceda ukunciphisa uxinzelelo lwe-Amplimier.
Qaphela ukuba ii-amplifiers ze-Desamer zichaphazeleka kakhulu yimiqondiso kuluhlu lwemitha. Ukuyifumana ifuthe lemiqondiso yemitha, i-PMW Amplifier ibeke i-filter ephezulu ye-frequenc, ibhloka amaza amathanga aze atsibe imiqondiso yoluhlu kuphela.
Apha ngezantsi kukho umzobo we-antenna ampifier yoluhlu lweemitha:
- Inzuzo yi-25 db. kwi-voltage ye-12,6 volts.
- Okwangoku akukho ngaphezulu kwe-20 milliam.
- I-counter-parallel ukubandakanywa kwe-DODS D1 kunye ne-D2 khusela i-tristor ekungaphumlweni xa kubetha ukukhanya.
- I-cascade ine-ekhwiter eqhelekileyo.
- I-C6 CORTENSS ibonelela ngolungelelwaniso lophawu oluqhubekayo lwe-Amplifier kwicandelo leendlela eziphezulu.
- Ukuzinzisa imowudi ye-willistor, i-Amplifier igutyungelwe yingxelo engeyiyo evela ekukhutsheni lwesibini kwisiseko sokuqala.
- Ukwenzela ukunqanda ukuzingcangcazela kwe-Amplifier, isihluzi se-R4 c1 c1 c1 c1 c1 c1 c1 c1 c1 c1 c1.
Iskimu se-antenna Amplififier yodidi lweemitha
Sikwabonelela ukuba baziqhelanise ne-Amplime ye-Amplime:
- I-Amplina Amplifier yoMgangatho we-Dereeters ye-470-790 megahertz.
- Ukulungisa umlinganiso we-30 DB. kwi-voltage ye-12 volts.
- Ukusetyenziswa kwangoku i-millimmeter ye-12.
- I-cascade ine-Emitter eqhelekileyo kunye neendlela ze-microwave ezinamanqanaba aphantsi kwengxolo yakhe.
- Abaqeqesha i-R1 kunye ne-R3 babonelela ngembuyekezo yobushushu bendlela yokuhambisa.
- I-Amplimie yamandla ixhotyiswa yintambo ye-alaxial.
Iskimu se-Amplimine
Ngomgaqo we-antenna Amplifier, unokufunda ividiyo:
Ngoku, sele siqhelene nezikimu kwaye sixhobe i-iron ethengisayo, ungaqala ngokukhuselekileyo ukwenza i-antenna amv.
Sinethemba lokuba inqaku lethu malunga ne-entennas kamabonwakude laya liluncedo kuwe!
Inqaku lesihloko: Ungayenza njani itafile yekofu ukusuka kwiindlela ze-birch ngezandla zakho: Iklasi enkulu enemiyalelo kunye neefoto