Ndeipi antenna inodiwa kudhijitari TV munyika – kunze uye mukati

Imhando ipi yeantenna inodiwa kudhijitari TV munyika yeimba, mugwagwa uye mukati.

Muchidimbu nezve dhijitari TV yezhizha cottages – chii chaunoda kuziva?

Kuti uve nehupenyu hwakanaka munyika, munhu anoda kugara achiwanda ruzivo. Basa rinokosha pakusikwa kwayo rinoitwa nekuwanikwa kweterevhizheni yepamusoro. Kazhinji, inogona kupihwa kana iwe uchiziva maitiro ekuzviita nemazvo. Kuti ugamuchire chiratidzo cheTV, unofanirwa kuisa antenna yedhijitari. Sarudzo yake inobva pakuwanikwa kwemikana yakakodzera munharaunda – kuvapo kweanodzokorora ane rumwe rudzi rwechiratidzo. Mamiriro ezvinhu anotevera anowanzoitika:

1. Terevhizheni yepasi inogona kutepfenyurwa mumamita kana madecimeter. Antennas yakagadzirirwa kuigamuchira inowanzoshandiswa mudzimba dzezhizha. Kubatsira kwavo mutengo wavo wakaderera, uye kushata kwavo kugona kwavo kushoma kana zvichienzaniswa nemamwe marudzi avo. Kunyanya, nhamba shoma chete yezviteshi zveTV zvinowanzowanikwa. Iyi sarudzo inogona kunge yakakodzera kune avo vasingawanzoshanyira imba yenyika uye vasingadi kutenga zvigadzirwa zvinodhura.
2. Chiratidzo chedhijitari ndeyemhando yepamusoro. Munharaunda yepasi peguta, kanenge makumi maviri eterevhizheni emhando iyi anowanzo kuwanikwa. Kuti ugamuchire chiratidzo chedhijitari, iyi mhando yeshongwe yekudzosera inofanira kuwanikwa. Kuti uve nechokwadi chekugamuchira TV yemhando yepamusoro, iwe kazhinji haungoda antenna yemhando yakakodzera, asiwo DVB-T2 tuner. Mune mhando itsva dzeTV, kugamuchira kunogoneka pasina kushandisa set-top box.
3. Uchishandisa satellite dish , unogona kugamuchira nhamba huru yematanho. Muchiitiko ichi, hapana kudiwa kweshongwe yekudzosera. Chiratidzo chinozofambiswa kubva kune satellite kuenda kune antenna yakanangwa pairi chaizvo. Zvichienderana nehutano hwayo, zvivako zvine hupamhi hwemasentimita 60 kusvika ku 90. Iyo yekupedzisira sarudzo inoshandiswa mumamiriro ezvinhu apo chiratidzo chinenge chisina simba. Midziyo iyi ndeyemhando yepamusoro asi inodhura. Imwe yematambudziko akanyanya kukosha ndeye kuona kuchengetedzwa kwayo munyika.

Sarudzo inodhura kwazvo inopa kunaka kwekugamuchira uye akasiyana siyana aripo ndeye kushandisa antenna kugamuchira terevhizheni yedhijitari.

Ndeipi antenna inodiwa kune digital TV muimba yenyika

Kusarudza antenna yekugara kwezhizha kunoda kufunga nezve akasiyana ma paramita. Mutengi anofanira kufunga nezve zvinotevera maitiro:

1. Unhu hwekugamuchira chiratidzo hunoenderana nehukuru hwekuwana simba. Inomiririra chiyero chesimba rekutumira uye kugamuchira mudziyo. Kukosha uku kunoyerwa nedBi. Kune chinhambwe kuenda kune relay tower isingapfuure 50 km, kukosha kwe13 dBi kunoonekwa sekugamuchirwa. Pakure kure, kuwedzera kwesimba kunofanira kunge kwakakwirira.
2. Kuvapo kweamplifier kunovandudza kunaka kwekugamuchira.
3. Chimiro chakakosha ndiyo yakagamuchirwa frequency range. Zvakakosha kuti zvinosanganisira nzira dzinodiwa nemushandisi.

Paunenge uchitenga, iwe unofanirwa kuterera kune kunaka kweiyo coaxial tambo inoshandiswa . Izvo zvakanyanya zvinoenderana nemufananidzo uye ruzha runogona kupa antenna.

Indoor antennas yekupa digital terevhizheni

Izvo zvakakodzera mumamiriro ezvinhu apo anodzokorora ari pedyo uye anogadzira chiratidzo chakasimba cheterevhizheni. Zvisinei, inofanira kurangarirwa kuti hutano hwekugamuchira huchakanganiswa nehupamhi hwemasvingo, kuvapo uye nzvimbo yemahwindo, pamwe chete nezvimwe zvinhu zvakafanana. Iyo antenna yemukati ndeye compact dhizaini. Kana zvichidikanwa, inogona kuve yakashongedzerwa nechiratidzo amplifier. Zvakanakira zvavo zvakare zvakaderera mutengo, nyore kwekufambisa uye nyore kuisa. Sezvisina kunaka, hutano hwekugamuchira hunofungidzirwa, hunozviruramisa chete muhupo hwechiratidzo chakasimba. Kuti ushande, zvinoda kunyatsogadzirisa kuti uwane iyo yepamusoro inowanikwa chiratidzo chemhando.

Antenna yekunze yedhijitari terevhizheni

Zvishandiso izvi zvine simba rakawanda uye zvinopa huwandu hwepamusoro hwechiratidzo chakagamuchirwa. Antenna akadaro anotungamira, ayo anowedzera zvakanyanya huwandu hwawo. Kushandiswa kweantennas ekunze kunobatsira zvakanyanya, kunyangwe nemutengo wakakwira, sezvo vachikubvumidza iwe kuti uwane yakanaka mhando yechiratidzo chekugamuchira kunyangwe kubva kure inodzokorora. Kuti uvandudze chiratidzo chakagamuchirwa, unogona kushandisa amplifier. Kuwedzera kwekushanda kwekushanda kunogona kusvika ku50%.

Nzira yekusarudza antenna

Pakusarudza antenna, mutengi anofanira kusarudza kuti ndeupi hunhu hwakasarudzwa mudziyo unofanirwa kuve nawo. Nokuda kweizvi, zvinotevera zvinofanira kufungwa nezvazvo:

1. Iwe unofanirwa kusarudza kuti antenna inofanira kuwanikwa kupi . Sarudzo yeantenna yakavakirwa-mukati kana yemukati inozvipembedza pamberi pechiratidzo cheterevhizheni chakasimba. Kana mamiriro aya asina kusangana, unofanirwa kutenga antenna yekunze.
2. Iwe unofanirwa kusarudza chiyero chakakodzera . Imwe nzira inobatsira ndeye kushandisa decimeter. Kana chiratidzo chedhijitari chakabatwa zvisina kunaka, unofanirwa kufunga nezve kutenga amplifier yechiratidzo chakagamuchirwa.

3. Iwe unofanirwa kusarudza kuti ndeipi antenna inodiwa, inoshanda kana inongoita . Muchiitiko chekutanga, inofanirwa kunge iine yakavakirwa-mukati chiratidzo amplifier. Inokodzera kana chiratidzo chinobva kuanodzokorora chisina kusimba zvakakwana. Kune passive antenna, unogona kushandisa yakavakirwa-mukati amplifier. Muchiitiko chekupedzisira, zvinokwanisika kusarudza imwe yakakodzera amplifier. Munguva yebhanan’ana, izvi zvinoderedza njodzi yekuneta kweamplifier, iyo inenge yakakwira kune chishandiso chinoshanda. Muchikamu chekunze chekunze, amplifier inowanikwa muimba, iyo inowedzera kuvimbika kwekushanda.
4. Izvo zvinodikanwa kuti utarise kureba kune iri pedyo relay tower . Kana iri padyo, unogona kushandisa yakavakirwa-mukati kana yemukati antenna. Kana zvisina kudaro, zviri nani kusarudza kunze.
5. Mutengo wechigadzirwa unofanirwa kuenderana nekugona kwemutengi. Nekudaro, kuti utenge antenna, unofanirwa kusarudza yemhando yepamusoro mudziyo.
6. Izvo zvinodikanwa kufunga nezve kunaka kweiyo inoguma mufananidzo uye ruzha , pamwe nekusarudza muenzaniso une kuvimbika kwakanyanya uye hupenyu hwebasa. Muchiitiko ichi, zvinofanirwa kuverengerwa kuti antenna yekunze, kunyangwe ichipa kugashira kwakanaka kwechiratidzo, zvisinei nekunyorova, mhepo, kukuvara kwemagetsi nezvimwe zvinhu.

7. Izvo zvinodikanwa kufunga nezvekuvapo kwemabhuraketi ekumisikidza uye kuterera kune zvinhu zvekugadzira. Inowanzoshandiswa sesimbi kana aluminium. Muchiitiko chekutanga, antenna ichave yakasimba, mune yechipiri haizogadziriswi nengura.
8. Midziyo iyi inogona kushandisa maumbirwo akasiyana siyana pamwe nemagadzirirwo . Usati waiswa, mushandisi anofanirwa kufunga nezvekuti kuisirwa kuchave kuri nyore sei, uye zvakare teerera kune kuenderana kwechigadzirwa nedhizaini iripo.
9. Paunenge uchitenga, unofanirwa kuve neshuwa kuti pane yakakodzera mwero wekupokana nemhepo mutoro e. Iyo inoratidzirwa nemhando mbiri – iyo yakanyanya kubvumidzwa kumhanya kwemhepo kunokwanisika kushanda kwakajairika, pamwe nekumhanya uko chikwata chichaparadzwa. Nhamba dze20 ne40 dzakakodzera, semuenzaniso, kune dacha munzvimbo yakanyarara munzvimbo yakadzika. Kana iri pachikomo, unofanira kushandisa 25-30 uye 50.

Dzimwe nguva, usati wasarudza antenna, zvine musoro kubvunza vavakidzani vanotova neantenna. Vachakwanisa kugovera ruzivo rwavo rwekushandisa mudziyo.

Antenna yedhijitari TV kune iyo nyika imba yekunze – chii chekusarudza, anoshanda uye anofamba antenna yekupa: https://youtu.be/eX9gUHRO5ps

Ndeipi antenna yekusarudza terevhizheni yedhijitari yekugara kwechirimo – mhando dzakanakisa dze2022

Paunosarudza antenna yedhijitari yekugara kwechirimo, unogona kutarisa kune mhando dzakaratidza hunhu hwadzo mukuita. Izvi zvinotevera zvinotsanangura zvinonyanya kufarirwa nazvo.

Locus Meridian-07 AF TURBO L025.07DT

Iyi antenna yakagadzirwa nealuminium. Ikareruka uye idiki muhukuru. Iyo dhizaini inopa mhando yeTV chiratidzo uye inopa yakanaka mufananidzo uye ruzha. Iyo kit inosanganisira amplifier iyo ichapa kugamuchira kunyangwe iri chinhambwe kubva kune relay tower. Sezvisina kunaka, zvinofanirwa kucherechedzwa kushaikwa kwemabhuraketi ekuisa, pamwe nemagetsi ekushandisa kweamplifier. Iyo yekupedzisira ichada kutengwa zvakasiyana.

Harper ADVB-2440

Iyi antenna yakaiswa kunze, iyo inovimbisa kugamuchirwa kwakanaka kwezvirongwa zveterevhizheni. Dhizaini ine yakavakirwa-mukati amplifier. Iyo antenna inokutendera iwe kuti ugamuchire analog uye dhijitari chiteshi nemhando yepamusoro mufananidzo uye ruzha. Iyo yakagadzirwa ndeye compact, lightweight uye ine yakanaka uye yepakutanga dhizaini. Antenna mounts inosanganisirwa. Inogona kubata kwete TV chete, asiwo redhiyo chiratidzo.

Ramo Inter 2.0

Iyi antenna idesktop modhi uye yakagadzirirwa kuiswa mukamuri. Iyi compact mudziyo ine hupamhi hwekushanda. Iyo inosanganisirwa yakavakirwa-mukati amplifier inokutendera iwe kugadzirisa kuwana. Chishandiso chakagadzirirwa kugamuchira madhijitari, analogi uye masaini eredhiyo. Inofambiswa nemagetsi. Iyo kit inosanganisira yepamusoro yekubatanidza tambo. Sezvisina kunaka, kuvapo kweisina kukwana yepamusoro-mhando yepurasitiki kesi inocherechedzwa.

Nzira yekugadzira dacha antenna ye digital terevhizheni iwe pachako

Kune akati wandei marudzi edhijitari TV antenna aunogona kugadzira iwe pachako. Iyo yakapfava modhi ingangove iyo tambo loop. Nekugadzira kwayo, iwe unozofanirwa kurongedza pane coaxial tambo, zvishandiso zvekushanda nayo uye plug inoshanda yekubatanidza.
Mukugadzira, unofanira kuita zvinotevera:

1. Cheka 1.5-2 m ye coaxial tambo.
2. Kubva kune imwe mugumo, zvinodikanwa kubvisa kuvharidzira, saka iwe unofanirwa kumonyanisa waya mune rimwe bundle.
3. Pachinhambwe chemasendimita makumi maviri kubva kumucheto, iwe unofanirwa kubvisa iyo insulation uye braid ye 5 cm.
4. Mushure meimwe masendimita makumi maviri, unofanira kubvisa goko rekunze kwe 5 cm.
5. Iyo tambo inofanira kunge yakanyura mumhete, ichibatanidza kupera kwetambo kune chikamu chakacheneswa.
6. Plugi inofanira kubatanidzwa kune imwe mhete yetambo.

Zvakakosha kusarudza dhayamita yemhete yakarurama. Inofanira kuenzana newavelength yechiratidzo chakagamuchirwa. Inotemerwa neforoma yakakosha inoenderana nekuwanda kweshanduro. L = 300 / F Mazita anotevera anoshandiswa pano:

1. L ndiyo dhayamita yemhete yakagadzirwa netambo.
2. F ndiyo frequency yenhepfenyuro.

Verenga dhayamita usati watanga basa uye wobva wagadzira mhete inonyatsoenderana newavelength. Antenna yepamba yedhijitari TV munyika: https://youtu.be/TzPEDjIGi00

Nzira yekuvandudza kugamuchira

Dzimwe nguva chiyero chechiratidzo chepasi chinoitika kana uchishandisa mhando dzekare dzekubatanidza tambo. Kana zvichibvira, zvinokurudzirwa kutenga imwe iri nani. Mune zvimwe zviitiko, izvi zvinogona kugadzirisa dambudziko rekupa. Paunenge uchishandisa kunze amplifier, kureba kwetambo yekubatanidza inoita basa rinokosha. Inofanira kuderedzwa zvakanyanya sezvinobvira.
Kana iyo relay tower iri kure, kushandiswa kwechiratidzo amplifier kunogona kubatsira. Izvi zvinobatsira mumamiriro ezvinhu apo kune tambo yakareba yekubatanidza umo attenuation inoitika. Kana iyo amplifier ikashandiswa kwenguva yakareba, inogona kuderedza kushanda. Izvi, semuenzaniso, zvinogona kunge zvakakonzerwa nehurombo hwemhando yemagetsi. Kana iyo antenna yakaiswa nenzira iyi, zvino ichafamba pasi pesimba remhepo kana mamiriro ekunze akaipa. Mumamiriro ezvinhu akadaro, zvinodikanwa kuve nechokwadi chekusimbisa kwayo kwakavimbika.