Antennas for TV an san kusan daga farkon tarihin talabijin, domin ba tare da eriya ba tayi tasiri ba. A baya can, mutane sunyi amfani da cikin gida ko waje na'urorin da aka haɗa zuwa waya "akwatin". Wannan fasaha analog ɗin don samun sakonni daga tashoshin telebijin na kusa yana wanzu a yau. A lokaci guda, adadin tashoshin yana da iyakancewa, kuma ingancin hoton yana barin yawan abin da ake so.
Don magance wadannan matsalolin, mutane sun halicci TV din tauraron dan adam. A wannan yanayin, ba ma analog ba, amma sigina na dijital bata wuce ta tashar tashoshin jiragen sama ba, amma ta hanyar tauraron da ke tashi a sararin samaniya. Wannan ya zama tsada mai tsada, ba samuwa ga kowa ba.
Ƙarin ci gaba ba ta tsaya ba, kuma an kafa tsarin talabijin mai mahimmanci - dijital. Ya haɗa da hanyoyin da yawa na canja wurin bayanai:
- ta hanyar tashar talabijin (duniya);
- ta hanyar USB (talabijin na Intanit);
- ta hanyar tauraron dan adam;
- ta hanyar haɗawa da Intanit ta hanyar na'urori na musamman (IP-TV).
Kowannensu yana ba da damar samun dama ga daruruwan tashoshi na gida da na kasashen waje a cikin kyakkyawan inganci.
Satellite tasa ga TV
Idan da farko, tauraron dan adam tayi dadi kuma muna kallon "faranti" a cikin gidajen masu arziki, a yau an sami karuwar farashi a cikin farashi, sabili da haka telebijin din din ya zama mafi sauki.
Kyakkyawan tarin tauraron dan adam don talabijin yana kama da yawan tashoshi. Alamar sigina na da kyau. Ana iya rage shi ta hanyar tsayi mai tsawo kamar nauyin ruwa ko dusar ƙanƙara.
Antenya na Intanit don TV
Kamar yadda aka ambata a sama, akwai nau'ukan da dama don talabijin na dijital , saboda haka, kowannensu akwai irin eriya. Yadda za a zabi eriya don TV, lokacin da zabi ya yi yawa? Zaka iya rarraba su ta hanyoyi da yawa. Saboda haka, a wurin shigarwa yana iya zama:
- abubuwan da ke cikin gida;
- antennas waje.
Room, kamar yadda ya bayyana daga sunan, ana shigar da su a ɗakin gida a cikin wuraren da ake kira safiya. A cikin ƙauyuka da ƙauyuka na birane na birni, ba daidai ba ne a jira irin waɗannan hotuna masu kyau daga irin waɗannan tarho. Don inganta halayen hoton, zai fi dacewa don amfani da eriyar dakuna tare da maɗaukaki ga TV.
Antenn na waje sun fi kyau a cikin sigogi kuma za'a iya amfani dasu a ko'ina. Yana da wuya a shigar da irin wannan eriya, kuma ana buƙatar wasu kwarewa, amma sakamakon yana da darajar kokarin.
Ta hanyar irin ƙarfin sigina, antennas sun kasu zuwa:
- m;
- aiki.
Antennas masu wucewa sun karɓa kuma suna kara sigina saboda siffar siffar su. A lokaci guda kuma, ba su da abubuwa masu ƙarfafawa - ba transistors ko microchips. Saboda wannan, irin waɗannan eriya ba su gabatar da wani ƙararrawa ko kararrawa a cikin siginar da aka karɓa ba, wadda ta kasance tare da kayan aikin lantarki. Duk da haka, ba za su iya tabbatar da kyan kyauta ba saboda iyakokin da suka dace.
Antennas masu aiki sun kara siginar da aka karɓa ba kawai saboda siffarta ba, amma kuma tare da ƙarfin lantarki wanda aka gina shi ko kuma daban. Yana ciyar da irin wannan eriya daga mains. Yana da tushen tsangwama da ƙwaƙwalwa a wasu yanayi: lokacin a cikin wani yanki ba tare da tabbatarwa ba, idan amplifier yana da ƙarfin wucewa ko maɓallin ƙara ya samar da mai sana'a wanda ba'a sani ba, wato, yana da mummunan darajar.
A cewar kamfanonin da aka karɓa, antenn digital shine:
- tashar;
- banded;
- duk-kalaman.
Tashoshin tashoshin tashoshin tashoshin tashoshi kawai suna samun tashoshin tashoshi guda ɗaya kuma ba su amfani dasu da masu kallo na al'ada, amma a lokuta na musamman
Antennas ana amfani da su a lokuta idan ya kamata su dauki kawai MB (mita mita) ko kawai DMW (raguwar ƙira). Saboda haka a Rasha kawai DMV-kewayo ana amfani da ita, kuma eriyar dake aiki a cikin wannan kewayon ya isa sosai.
Dukkanin eriya a duk lokaci suna yarda da jeri guda biyu. Mafi sau da yawa, masu kallon talabijin suna saya irin wannan nau'in antennas, saboda suna so su kama tashoshin, watsa shirye-shiryen a cikin MV da DMV.