Antenna amplifier yeTV: musimboti wekushanda, sarudzo, DIY

Dambudziko rechiratidzo cheTV chisina kukwana, nekuda kwekuti chimiro chemufananidzo pahwindo reTV chinoderera, chinogadziriswa nerubatsiro rwechiratidzo che amplifier chinobva kune antenna yeTV. Iwe unogona kusarudza mudziyo wakakodzera kubva pachiyero chedu chemhando dzakanakisa kana, kana uine ruzivo, ita mudziyo wakadaro iwe pachako.

Chii chinonzi TV Antenna Amplifier?

Terevhizheni amplifier chishandiso chekusimudzira chiratidzo cheterevhizheni uye kuderedza kupindira, izvo zvinopa mufananidzo uri nani. Chishandiso chinobatsira kuwedzera kunzwisiswa, kuganhurwa nemhedzisiro yeruzha, uye kubhadhara kurasikirwa kweiyo yakagamuchirwa terevhizheni chiratidzo mune coaxial tambo. https://youtu.be/GI89hrNQ-BA

Dhizaini maficha eamplifier yeantenna

Amplifiers eterevhizheni antenna ari nyore uye anogona kusiyanisa mukugadzira, anogona kukwidziridza ese masaini edhijitari uye analog. Mune zvimwe zviitiko, ivo vanoumbwa nemapuranga maviri ane inogadziriswa yekudzikisa ruzha redunhu. Imwe dunhu ndeyepamusoro-frequency sefa, yechipiri ine frequency-regulating capacitor. Iyo regulator inobatsira kuwana yakanyanya TV chiratidzo kuwana kwe4.7 dB ine inoshanda frequency ye400 MHz. Kuti vawane kugadzikana, vanoshandisa stabilizer ine electrolyte uye diode bhiriji inosanganisirwa mudunhu rayo. Iyo amplifier yakabatana neTV inogamuchira uchishandisa capacitor. Yese amplifiers yeantenna inoshongedzerwa nemagetsi, chete nzvimbo yenzvimbo yayo inosiyana (yakavakirwa-mukati nekunze). Iyo yakavakirwa-mukati mudziyo inoshanda nemazvo ine yakagadzikana magetsi voltage uye inopedza kusvika ku10 V. Kana iyo gadziriso ikapisa, iwe unozofanirwa kutsiva iyo yese antenna mudziyo. Nechikonzero ichi, pamberi pesimba rekuwedzera, zvichava nyore kushandisa ekunze mayuniti. Iwo akakura muhukuru uye ane akasiyana ekuisa voltage zvichienderana neamplifier (5, 12, 18, 24 V).

Classification

Kune masaisai epasi ezviteshi zveTV, huwandu hwemamita (MV) uye decimeter (UHF) frequencies inoshandiswa. Muchiitiko chekutanga, frequency ye30-300 MHz inoshandiswa, uye yechipiri – 300-3000 MHz. Zvichienderana nehuwandu hweiyo yakagamuchirwa frequency, iyo amplifier inogona kuva:

• Broadband – kuvhara yakakura wave spectrum;
• range – inoshandisa mita kana decimeter renji yekushanda;
• multibanddesigned for both ranges.

Muchiitiko chenguva dzose, nechiratidzo chakanaka, Broadband amplifier yakakwana. Nekugamuchira kwakashata, zvakakodzera kushandisa mudziyo wakanangwa zvishoma, uyo unoita basa rayo mune imwe nhanho zviri nani pane iyo Broadband.

Digital kutepfenyura kunoitwa uchishandisa iyo DVB-T2 chiyero . Kune dhijitari TV chiteshi, iyo chete UHF renji ndiyo inoshandiswa, saka amplifier yedhijitari TV yeDVB-T2 chiyero yakakodzera kutepfenyura kweTV. Antenna amplifier bvunzo yeDVB-T2 dhijitari terevhizheni: https://youtu.be/oLRaiYPj6sQ Amplifiers zvakare inosiyana zvichienderana neinodiwa voltage:

1. Gumi nembiri volts ndiwo anonyanya kuwanda. Ivo vachada kuwedzerwa kwekuwedzera kwesimba rekupa, iro mune dzimwe nguva rinogona kudzorwa.
2. Five- volt inogona kubatana neTV tuner kana TV uchishandisa coaxial tambo. Sezvo mutemo, ivo vanogadziriswa pane antenna.

Zvichienderana nerudzi rweterevhizheni, michina yekusimudzira inoiswa muhurongwa hunotevera:

• antenna;
• satellite;
• cable.

Cable uye setiraiti amplifiers anoshandiswa kashoma, nekuti anotoendesa chiratidzo chepamusoro-soro. Dzimwe nguva amplifier inoshandiswa kune tambo terevhizheni kana tambo yakabatana kune akati wandei maTV kamwechete. Antenna amplifying midziyo inoshandiswa kakawanda.

Zvakanakira uye kuipa kweTV masaini amplifiers

Paunenge uchigadzira terevhizheni yepamba, unofanirwa kuyeuka: kana iwe ukashandisa akati wandei ekusimudzira maseketi, ipapo pachava nekukanganisa kwakakosha kwerukova rwevhidhiyo. Panyaya iyi, nhamba yeantenna amplifiers inofanira kuchengetwa iri shoma.

Amplifier zvinhu zvinosanganisira:

• kukwanisa kugamuchira kunyange zviratidzo zveTV zvisina simba;
• kuvapo kwediki ruzha coefficients;
• mukana wekukudza chiratidzo panguva imwe chete mune akati wandei frequency renji.

Izvo zvisingabatsiri zveamplifying devices ndezvi:

• kana Broadband amplifier ikashandiswa, pane mukana wekuremedza iyo inotenderwa chiratidzo cheTV, saka inofanirwa kuve yakashongedzerwa ine regulator kune akasiyana siyana kubvisa kunetsa kwakadai;
• self-excitability yemudziyo;
• kubatwa nemabhanan’ana;
• mukana wekurasikirwa kwechiratidzo cheTV pane zvabuda.

Amplifiers anogadzirisa chiratidzo kubva kune antenna kuenda kuTV. Panyaya iyi, sarudzo inokonzerwa nenzvimbo uye kudiwa kwemidziyo yeterevhizheni. Iyo amplifier kune antenna yeTV kunze kweguta inobatsira kunyatsogadzirisa nyaya yakaoma yekuwana yemhando yepamusoro terevhizheni chiratidzo.

Maitiro makuru ekusarudza terevhizheni masaini amplifiers

Iyo amplifier yeantenna yeterevhizheni inosarudzwa zvinoenderana nehunyanzvi hwekushandisa uye zvinoenderana nekunze zvinhu (semuenzaniso, nzvimbo uye yekuisa mamiriro). Chinhu chinonyanya kukosha ndechekufunga nezvehunhu hunokanganisa kunaka kwechiratidzo cheterevhizheni, kwavanoshandisa kushandisa mamwe maturusi.

Operating frequency range

Pane zvishandiso zvitatu zvine chekuita neiyo frequency renji: iyo TV, antenna , uye amplifier. Chokutanga pane zvose, antenna inosarudzwa. Muchisarudzo ichi, zvinodikanwa kuti titarise hukuru hwekunangidzirwa zvishoma pane yakakura-siyana maererano nesimba rechiratidzo. Kana iyo inodzokorora iri padyo nenzvimbo yekugamuchira, ipapo “yose-wave” yakakodzera, inokwanisa kuvhara huwandu hwakawanda. Kugamuchira chiratidzo kubva kure kure TV tower kuchave kuwanikwa uchishandisa mudziyo wakachinjirwa kune shoma frequency renji (semuenzaniso, VHF kana UHF).

Zvinoenderana neiyo frequency mhinduro yeantenna, iyo amplifier inosarudzwa. Kana huwandu husingaenderane, mudziyo uripo haugone kushanda.

Noise figure

Nerubatsiro rweamplifier, chiratidzo-ku-ruzha chiyero chinofanira kugadziridzwa kumusoro. Tichifunga kuti mudziyo wega wega unogashira ruzha rwayo panguva yekufambisa data, sezvo chiratidzo chinowedzera, ivo vanovawo akakosha. Zvinowanzogamuchirwa kuti kukosha kwekuita ruzha hakufanire kunge kuri kupfuura 3 dB. Chete pasi pemamiriro ezvinhu akadaro ndipo patinogona kutaura nezve vimbiso dzemhando yakanaka yekutumira chiratidzo cheTV. Nekudaro, michina mitsva inogona kunge ine yakaderera kukosha kwe2 dB.

Gain

Kuvapo kweiyo yepamusoro-soro coefficient haivimbisi yakanakisa kutapurirana mhando. Uyezve, nekukwidziridzwa kwakanyanya, chiratidzo cheTV chinokanganiswa neinopesana nemhedzisiro (kuchekerera kana kuwandisa). dB inoshandiswa kuyera parameter, uye mavhareji ayo maitiro ndeaya:

• decimeter – kubva pa30 kusvika ku40 dB;
• mita – 10 dB.

Kubva pane izvi zvinotevera kuti decimeter ichava nekuvhara kubva ku20 kusvika ku60 TV channels, uye mamita – kwete kupfuura 12. Nekuwedzera kwekuwana ne 15-20 dB, tinogona kutaura nezvechigumisiro chakanaka.

Paunosarudza amplifier nechinhu, iwe unofanirwa kuve wakavakirwa pamamiriro chaiwo uye nhanho yekugamuchira. Sezvo mutemo, chinhambwe kubva kuTV tower (relay) inotorwa. Kana iyo TV shongwe iri mumutsara wakananga wekuona, saka kutengwa kweamplifier hakudiwi.

Active kana passive antenna

Antennas yekugamuchira chiratidzo cheTV inogona kungoita uye inoshanda:

• passive antenna inogamuchira chiratidzo chete nekuda kwechimiro chayo;
• yakakosha amplifier inopiwa kune inoshanda antenna , iyo inowedzera simba rechiratidzo chinobatsira.

Antenna inoshanda inofanirwa kupihwa rimwe simba kubva kunetiweki. Sezvo mutemo, chigadzirwa chekusimudzira chakabatanidzwa uchishandisa 9 kana 12 V. Iva nechokwadi chekufunga nezve ruzivo mumirayiridzo yemugadziri yambiro pamusoro pekugona kwekukanganisa kana chigadzirwa chacho chisina kuiswa. Iyo passive antenna inogona zvakare kushandurwa kuita inoshanda nekuwedzera amplifier kwairi. Iyi sarudzo inogona kunge iri nyore kupfuura kana uchitenga antenna ine yakavakirwa-mukati amplification mudziyo – kana chiitiko chekuputsika kweamplifier, inogona kutsiviwa nyore. Iwe unogona kuiisa kwete pedyo neantenna pachayo, asi muimba yepamusoro kana muimba, iyo inovimbisa hupenyu hurefu hwebasa remudziyo.

Ita-iwe-iwe pachako inoshanda antenna ine amplifier yedhijitari TV:

https://youtu.be/YfR9TgaDf1Q

TOP 6 Yakanakisa Antenna Amplifiers yeTV

Mamwe amplifiers akakurumbira nekuda kwekureruka kwechishandiso chavo, mutengo wakaderera uye nyore kuisa. Kana zvichidikanwa, iwe pachako unogona kuzvitsiva uye kuzvigadzirisa. Paunenge uchitenga kunze amplifier, unofanirwa kutarisira kusimba kwayo. Midziyo yekunze inoshandurwa makore ese e2 kunyangwe yakadzivirirwa. Nokuda kwechikonzero ichi, zviri nani kuedza kutsvaga nzvimbo yeamplifier pasi pedenga.

Antenna amplifier F-02

All-wave trunk amplifying device inofambiswa netambo. Inoita kukwidziridzwa kwechiratidzo cheterevhizheni mumamita uye decimeter renji ine renji rekushandisa (1-12 k) uye UHF (21-60 k). Gain – kusvika 25 dB, ruzha nhamba – kusvika 2 dB, kupa voltage – 12 V. Inofungidzirwa mari – 350 rubles.

Delta UATIP-03 MV+DMV

Kusimudzira Broadband mudziyo wekushandiswa kwemunhu mumamita (kubva pa1 kusvika ku12 chiteshi) uye decimeter (21 kusvika 69 chiteshi). Simba rekupa 12 V. Inofungidzirwa mari – 672 rubles.

SWA-999 ye “grid”

Amplifier yePolish antenna (“grid”) ine frequency yekushandisa frequency kubva 48 kusvika 862 MHz uye simba rekupa 12 V. Gain – 28-34 dB. Inofungidzirwa mutengo – 113 rubles. https://youtu.be/QvRGUGq_eOs

REMO INDOOR USB (BAS-8102 5V)

Antenna yakawanda-chinangwa amplifier inoshandura passive antenna kuita inoshanda uye inokutendera kuti ubvise magetsi eiyo antenna amplifier. Kuwana – kusvika ku16 dB. Simba – 5 V. Inofungidzirwa mari – 245 rubles.

REMO Booster-DiGi (BAS-8207)

Antenna amplifier ine avhareji kuwana kwe21-69 chiteshi. Simba rekushandisa – 12 V. Noise factor – kwete kupfuura 2.8 dB. Inofungidzirwa mutengo – 425 rubles.

Planar 21-69 FT series

Antenna amplifier yetambo ine frequency renji kubva pa470 kusvika 468 MHz uye kuwana inosvika makumi maviri nemaviri dB. Simba rekushandisa – 12 V. Noise nhamba – 4 dB. Mari inofungidzirwa ndeye 350 rubles.

Nzira yekugadzira antenna amplifier yeTV nemaoko ako?

Kutanga iwe unofanirwa kugadzirira zvinhu uye zvishandiso:

• aluminium ndiro;
• waya yemhangura;
• bracket;
• adapta;
• nzungu, mabhaudhi, washers, self-tapping screws;
• terevhizheni tambo;
• bhanhire rerabha kubva tarakita;
• insulating tepi;
• chipanera nesando.

Kunyange kana iwe uine ruzivo mubasa rakadaro, kunyatsodzidza kwemirairo kuchabatsira zvikuru. Kunyanya kukosha ndiko kutevedzana kwezviito izvi uye chinangwa chechimwe nechimwe chinhu. Iyo algorithm yezviito ndeiyi inotevera:

1. Makomba anochekwa (matatu murubha, imwe mundiro).
2. Iwe zvakare unozoda gomba mune bracket uye antenna nzvimbo.
3. Waya yacho inofanira kunge yakakotama uye yakabatana kumagumo neanozvirovera screw.
4. Iyo tambo yakabatana kune adapta uye iyo yekubatanidza inoparadzaniswa.
5. Zvese zvinhu zvinouya pamwechete. Pakupera, iyo cable attachment area ine waya inoputirwa nemagetsi tepi.

Iyo yekuzvigadzira yekusimudza mudziyo ine imwe mukana – kuti hazvifanirwe kugadzirisa iyo yakapedzwa mudziyo. Iyo yakabatana zvakanyanya nyore: bhodhi rakabatana kune antenna uye mhando yekuwana inotariswa. Panguva yekushanda kwechigadzirwa hapafaniri kuva neruzha rwekunze. Kune iyo amplifier, zviri nani kugadzirira imwe mhando yekuvharirwa kuti idzivirire kubva kune zvakatipoteredza pesvedzero. Kuti uwane mufananidzo wakanaka uye ruzha, hauzodi chete amplifier, asiwo sarudzo yenzvimbo yakakodzera yekukwira. Unozodawo tsvimbo yemheni. Beer Antenna yedhijitari TV ine amplifier: https://youtu.be/axJSfcThfSU

Pakutanga kwekushanda, zvakakosha kutarisa kunaka kwekusimudzirwa kwechiratidzo cheterevhizheni, uye kana matambudziko akaitika, anofanira kubviswa pakarepo.

Iyo antenna booster yeTV yako ichakubatsira iwe kudzivirira kukanganisa uye mamwe matambudziko ane hukama nekusagadzikana kwekugamuchira chiratidzo cheTV. Paunenge uchitenga mudziyo, unofanirwa kutarisa pane akati wandei akakosha maitiro, uye kana uchizviita iwe pachako, pane kwakaringana kutevedzana kwezviito uye sarudzo yakakodzera yenzvimbo yekuisa.