Momwe mungasankhire komanso momwe mungayang’anire chosinthira satellite

Wotembenuza ndi gawo lofunika kwambiri pa TV ya satana , khalidwe la chizindikiro limadalira, ndilofupikitsa ndi polarization converter ndipo limatha kugwira maulendo osiyanasiyana. M’nkhaniyi tidzakambirana za tanthauzo lake ndi momwe tingasankhire, zomwe muyenera kuziganizira. [id id mawu = “attach_3541” align = “aligncenter” wide = “647”]
Mitu ya satellite[/ mawu]

Kodi satellite converter ndi chiyani ndipo imagwira ntchito bwanji

Chosinthira satellite chimapereka kulandila kwa chizindikiro chomwe chimawonekera kuchokera pamwamba pa mlongoti ndikutumizidwa mu mawonekedwe okulitsa kupita ku chochunira cha satellite TV. Iyi ndi njira yovuta yomwe imaphatikizapo malamulo oyambirira a physics. Mutha kugula chosinthira chotere pamtengo wotsika mtengo.

Chikhalidwe chachikulu cha chosinthira ndi phokoso lowonjezera, loyesedwa mu ma decibel. Pakakhala phokoso laling’ono, chithunzi cha pa TV sichimasokonezedwa kwambiri.

Mu sayansi, chosinthira chimatanthauzidwa ngati cholandila chomwe chimayendetsa chizindikiro cha satellite. M’malo mwake, pali zida ziwiri mu block imodzi ya monolithic. Chipangizo choyamba chimakulitsa chizindikiro cholandilidwa kuchokera ku satelayiti. Apa ndipamene mlingo wa phokoso lowonjezera umagwira ntchito yaikulu. Pazigawo zotsika, padzakhala kusokoneza pang’ono, – 0.3 – 0.5 dB.

Dzina la LNB kapena phokoso lotsika limagwirizananso ndi satellite converter.

Chipangizo chachiwiri chimasintha mafunde a mafunde. Ndi chithandizo chawo, chizindikirocho chimaperekedwa kwa wolandira kapena TV kudzera pakutali. Offset satellite dish ndi yabwino kufalitsa ma siginecha. Nayi kulongosola koyambirira kwa momwe zonsezi zimagwirira ntchito:
Chosinthira chimapangitsa chizindikiro cholandilidwa kukhala champhamvu. Izi zimathandiza kubweza zotayika mu chingwe chomwe chimalumikiza mlongoti kwa wolandila. Wolandirayo amawonjezera phokoso lake pa chizindikirocho. Ali ndi mphamvu zokhazikika. Chizindikiro cha satelayiti chochokera ku mlongoti chokha sichili champhamvu, kotero chimafooka mkati mwa chingwe, motero chiyenera kukulitsidwa. Komabe, chipangizochi chimayambitsa phokoso lakelo mu siginecha, choncho ndikofunikira kuti zikhale zazing’ono. The Converter akhoza kugulidwa zopangidwa zosiyanasiyana. [id id mawu = “attach_3544” align = “aligncenter” wide=”
Mfundo yogwiritsira ntchito chosinthira cha mlongoti pazotulutsa ziwiri [/ mawu] Chipangizocho chimasinthanso ma frequency. Ichi ndi mbali yofunika kwambiri. Kuchokera pamagawo wamba, chizindikirocho chimapita mumtundu wa L. Ichi ndi chipangizo chovuta kwambiri, chomwe chimakhala ndi magawo angapo. Mapangidwe ake akuphatikizapo irradiator, waveguide ndi converter board yokha. [id id mawu = “attach_3540” align = “aligncenter” wide = “450”]
Chip chosinthira [/ mawu] Choyatsira ndi mtundu wa mlongoti wachiwiri womwe umatenga zidziwitso zotumizidwa kuchokera pa chachikulu. Wotembenuzayo amakulitsa ndikusintha chizindikiro chapamwamba kwambiri kukhala chizindikiro chochepa chafupipafupi, mwachitsanzo, chizindikiro cha 12000 MHz chimatembenuzidwa kuti chikhale chofanana ndi 1250 MHz. Imagwira ntchito yowonetsetsa kuti chizindikirocho sichimachepetsedwa kwathunthu mu chingwe. Momwemo, zizindikiro zamtundu wapamwamba pakutanthauzira kwakukulu zimalandiridwa pa TV. Chosinthiracho chimasinthanso polarization. Makanemawa samangokhala ndi ma frequency osiyanasiyana, komanso ma polarizations osiyanasiyana. Ena amazungulira molunjika, ena mopingasa. Ndikofunikira momwe converter imatembenuzidwira. Mayendedwe amasiyanasiyana m’malo osiyanasiyana padziko lapansi.

Ndi mitundu yanji ya ma satellite dish converters omwe alipo

Chosinthira, chomwe chimatchedwa kuti LNB, ndichofunikira kuti musinthe ma frequency a “Ku” (10 … 13 GHz) kapena “C” (3.5 … 4.5 GHz) kukhala 0.95 … 2.5 GHz, yomwe zimapangitsa kuti chizindikirocho chifalitse ndi kutayika kochepa kwa chingwe mpaka wolandila. Izi zimapangitsa kugwiritsa ntchito chingwe chotsika mtengo cha coaxial ndikuchipatsa kutalika kwa mamita 20-30 kuti chizindikirocho chisawonongeke. K\ Otembenuza onse amasiyana phokoso. Kusiyanasiyana kwawo kuli kwakukulu mwanjira ina. Pali otembenuza awa:

1. Kusintha kwa “C”.
2. Converter kwa “Ku”.
3. Universal”.

[id id mawu = “attach_3536” align = “aligncenter” wide = “250”]
LNB C band satellite chosinthira mlongoti[/ mawu] Ndikofunikira kudziwa kuti ndi gulu liti, “Ku” kapena “C”, lomwe limayikidwa. Kusiyana kwakukulu pakati pa zipangizozi kuli mu ntchito yawo mumayendedwe osiyanasiyana. Frequency Converter imagwira ntchito mosiyanasiyana nyengo.

Mfundo yogwiritsira ntchito satellite converter

Wotembenuzayo amasonkhanitsa mafunde, kuwatembenuza kukhala zizindikiro za chiyambi chamagetsi, zomwe zimatumiza chizindikiro kwa wolandira. Chosinthira cha LNB chimayikidwa pamalo omwe antenna amayang’ana, pomwe mafunde amayang’ana. Chizindikirocho chimakulitsidwa mu converter, kutembenuzidwa kufupipafupi. Kuti mutumize chizindikiro kuchokera ku C kapena Ki kupita ku L-band, mukufunikira oscillator wamba yomwe imapanga chizindikiro cha wailesi. Chosakaniza chimathandiza kupeza chizindikiro chachitatu, chomwe ndi kusiyana kwa ziwiri zoyambirira. Zotsatira zake, zimakhala.
Mu gulu la Ki, mosiyana, mafupipafupi a oscillator am’deralo amawerengedwa kuchokera kufupipafupi kwa chizindikiro cholandiridwa kuchokera ku satellite. Palinso mbali ina. Simungathe kusamutsa gulu lonse la Ki ku gulu la L. Mwina chosinthira chimakhala ndi oscillator m’dera limodzi ndipo sichimaphimba gulu lonse la Ki-band, kapena chizindikiro cha satellite chimapita ku L-band pang’ono, pansi kapena pamwamba pazigawo zimakhudzidwa. Mtundu wachiwiri wa otembenuza ndi chilengedwe chonse , ili ndi 2 oscillators am’deralo, yachiwiri yomwe imaphimba pamwamba pa Ku range. Mitundu imasinthidwa pogwiritsa ntchito kiyi yamagetsi yoyendetsedwa ndi chizindikiro chapadera. Mkati mwa converter muli chitsulo chopangidwa. Kudzazidwa kwa chipangizocho kumabisika muzitsulo zachitsulo, kumene kutulutsa kwa F-connector kumayikidwa. Wotembenuza akhoza kukhala ndi chiwerengero chosiyana cha zotsatira. Nthawi zina nambala imafika eyiti. [id id mawu = “attach_3549” align = “aligncenter”
Satellite Converter pa 2 ndi 8 zotuluka [/ mawu] Izi ndizosavuta kugwiritsa ntchito tsiku ndi tsiku. Nthawi zina pakhoza kukhala zochunira zingapo zomwe zimakulolani kukhathamiritsa chizindikiro cha ma TV angapo. [id id mawu = “attach_3538” align = “aligncenter” wide = “283”]
Universal satellite converter[/caption]

Momwe mungayang’anire chosinthira kuti chigwire ntchito

Ndi zophweka fufuzani Converter kwa serviceability. Ngati muli ndi vuto ndi kawonedwe ka TV ka chizindikirocho, muyenera kuwona ngati nkhaniyi ilidi mu converter. Choyamba muyenera kuyang’ana chingwe kuchokera kwa wolandila kupita ku mlongoti ndi diso, ngati chasweka kulikonse. Ngati chingwecho chili cholimba, muyenera kuyang’ana mutu wa mbale, ndiye kukhudzana ndi mawaya, pali njira yosavuta, ndiyo, kusintha mutu uwu ndikuwona ngati chizindikiro chasintha. Ndiye inu mukhoza kumvetsa ngati chifukwa cha vuto ndi wosweka Converter kapena mfundo ina. Momwe mungasankhire mutu wa satellite ndikuyang’ana chosinthira mbale cha satellite kuti chigwire ntchito, zosinthira mbale za satellite zotulutsa ziwiri, zitatu ndi zinayi: https://youtu.be/s6IW8HPgTEE

Momwe mungasankhire LNB, zomwe muyenera kuyang’ana

Chithunzi chaphokoso ndiye gawo lalikulu pakusankha chosinthira. Ndikofunika kuganizira posankha maulendo afupipafupi, phokoso la gawo, lomwe likugwiritsidwa ntchito panopa, polarity. Zofunikira kwambiri ndizojambula zaphokoso ndi phindu. Mwanjira yabwino, chithunzi chaphokoso chiyenera kuwonetsedwa pamapaketi. [id id mawu = “attach_3548” align = “aligncenter” wide = “512”]
Kufotokozera[/mawu] Ngati sikunatchulidwe, musagule chipangizocho. Pa nthawi yomweyo, ngakhale coefficient otsika sikutsimikizira kuti converter adzakhala apamwamba. Izi parameter imayang’aniridwa kokha mu labotale. Choncho, ndi bwino kugula zipangizo kokha m’malo amene ayesedwa ndipo atha kupereka mbiri yabwino okha. Chosinthira chilengedwe chonse chikhoza kugulidwa motsika mtengo pa intaneti komanso m’masitolo a zida zamawayilesi. Iyi ndiye njira yabwino kwambiri. Momwe mungasankhire chosinthira satellite: https://youtu.be/nP7UpiEubro

Zotsatsira Enieni

Chosinthira mbale ya satana kuchokera ku Tricolor ndi yotchuka chifukwa cha kudalirika kwake, ndipo pambali pake, mutha kugula pamtengo wotsika mtengo. Sizidzakhala zodula, koma zidzapatsa eni nyumba chizindikiro chapamwamba. [id id mawu = “attach_3542” align = “aligncenter” wide = “600”]
Mutu wa satellite kuchokera ku Tricolor [/ mawu] Kanema wa kanema wa ALYNO ali ndi chosinthira cha C + Ku chotengera otembenuza awiri. Ili ndi zotulutsa zodalira “Ferret direct focus Twin-Twin”, yomwe imapereka kulandila kwa siginecha kosalekeza m’magawo awiri nthawi imodzi: C ndi Ku. Imagwira ntchito limodzi ndi passive multiswitch 4/2. Zapangidwira ma antennas. Zovala za polyethylene. General Satellite GSLF-51E Converter ndi waveguide awiri: 40 mm (muyezo); cholumikizira mtundu: 75 F-mtundu ndiwodziwikanso pakati pa olembetsa. Converter Galaxy Innovations GI-301 ndi chosinthira chozungulira polarization. Ndizosavuta kugwiritsa ntchito pamoyo watsiku ndi tsiku.

Kupanga ndi kukhazikitsa pa mlongoti

Mafunde a wailesi ya electromagnetic amagwera pagalasi. Popeza mawonekedwe ake ali ndi mawonekedwe a sphere, chizindikirocho, chikugwera pagalasi, chimangowoneka m’njira imodzi yokha, mtengo umapangidwa womwe umagwiritsidwa ntchito panthawi imodzi. Chipangizo chofunikira chimayikidwa mu “focus” – satellite converter palokha. Mtengo uwu ukugwera pa iye. Mfundo zazikuluzikulu za otembenuza ndi irradiator, waveguide yomwe chizindikirocho chimadutsa, chipangizo chamagetsi chomwe chimasintha mafunde kukhala ma pulses. Wotembenuza amatembenuza pafupipafupi, polarization, amapereka chizindikiro chapamwamba. Zapangidwira kuwonera TV mumtundu wapamwamba.

Zolakwa posankha ndi kukhazikitsa, momwe mungapewere

Ubwino wa mlanduwo nthawi zambiri umasankhidwa molakwika. Malo ogwira ntchito – msewu. Pogwiritsa ntchito, chipangizochi chimakhudzidwa ndi kusinthasintha kwa kutentha. Choncho, thupi la chipangizocho liyenera kukhala lapamwamba kwambiri. Chophimba cha dzuwa chochotsacho chiyenera kukhala chosagwirizana ndi ma radiation. Choncho, muyenera kusankhanso zinthu zapamwamba kwambiri.

Zofunika! Ndi kupsinjika kulikonse kwa chipangizocho, chinyezi chamlengalenga chidzafika pamenepo, zomwe zingayambitse kusweka.

Mtundu wa thupi suyenera kukhala wowala, apo ayi udzakopa mbalame zomwe zidzajompha pulasitiki yowala.
Musanayambe kukhazikitsa, ndikofunikira kuwona momwe chipangizocho chimagwirira ntchito.

Zofunika! Chipangizo chogwiritsira ntchito chimasonyeza chizindikiro ngakhale mlongoti sunayendetsedwe ndi satelayiti .

Mafunso ndi mayankho

Converter kapena Converter? Ndiko kulondola: chosinthira, ndi mtengo uliwonse. Izi zikugwirizana ndi malamulo a Chirasha ndi zilankhulo zakunja. Ndi Converter iti yomwe ili yoyenera kulandira MTS TV ? Yankho: kukhala ndi liniya Ku-band polarization. Idzagwira ntchito mwangwiro. Kodi mungagule chosinthira satellite pamtengo wanji? Chipangizocho chikhoza kugulidwa pamtengo wa 350 rubles. Chosinthira ndi chimodzi mwazinthu zazikulu za kanema wawayilesi. Imatembenuza pafupipafupi, imasintha polarization. Choncho, ndikofunika kugula mutu woyenera, womwe uli ndi phokoso laling’ono ndipo uli woyenera pamtundu wina. Choncho, Converter ayenera kusankhidwa mosamala kwambiri.