- Bogga Hore
- Koorsada
- Unugga Tuning Anteenada
- FMUSER 50Ω Cutubka Tooska Anteenada Adag ee Gobolka 530-1,700 kHz AM Xarunta Gudbinta Mawjada Dhexe
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Taawarrada Warbaahintu
-
Koonsolada Qolka Xakamaynta
- Miisaska gaarka ah & Miisaska
-
Wariyeyaasha AM
- AM (SW, MW) Anteenooyinka
- Wariyayaasha FM-ka
- Anteenooyinka Baahinta FM-ka
- Xiriirinta STL
- Xirmooyinka buuxa
- Istuudiyaha Hawada
- Cable iyo Accssories
- Qalab dadban
- Isku-dariyeyaasha Gudbiyeyaasha
- Shaandhaynta godka RF
- Lammaanayaasha RF Hybrid
- Alaabta Fiber Optic
- Qalabka madaxa ee DTV
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Wariyayaasha TV-ga
- Anteenooyinka TV-ga
FMUSER 50Ω Cutubka Tooska Anteenada Adag ee Gobolka 530-1,700 kHz AM Xarunta Gudbinta Mawjada Dhexe
MUUJINTA
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Quick View
- Tiknoolajiyada Qaybta Tuning Anteenada FMUSER
- Tilmaamaha ugu muhiimsan ee Unugga Tuning Antenna FMUSER
- Halkee laga Iibsan karaa Qaybta Tuning AM ee ugu Fiican?
- Cutubka Daawaynta Anteenada: Waa maxay iyo sidee buu u shaqeeyaa?
- Waa maxay Qaabdhismeedka Aasaasiga ah ee Cutubka Daawaynta Anteenada
- Waa maxay sababta ATU ay muhiim ugu tahay baahinta hirarka dhexdhexaadka ah?
Tiknoolajiyada Qaybta Tuning Anteenada FMUSER
Shuruudaha | Details |
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Inta jeer ee hawlgalka | 531-1700 kHz hirar dhexdhexaad ah (MW) band buuxa |
Gudbiye Max. Awoodda wax-gelinta | 1KW/5KW/50KW (ku salaysan baahidaada) |
Xaddidaadda baasaska | 25 kHz-30 kHz (bandwiish awood badh ah) |
bandwidth suunka kala-guurka | 30 kHz-80 kHz |
Xakamaynta xawaaraha | ≥100 kHz |
Saamiga hirka anteenada taagan | gudaha ± 5 kHz≤1.05, gudaha ± 10 kHz≤1.3 |
Jooji joojinta | Marka inta jeer ee uu ka fog yahay 100 kHz inta jeer ee xarunta, attenuation waa 25 dB |
Ilaalinta hillaaca | tamarta haraaga ah ee hillaaca ayaa ka yar 200 mJ |
Tilmaamaha ugu muhiimsan ee Unugga Tuning Antenna FMUSER
- Unugga hagaajinta anteenada waxaa lagu dabaqi karaa hal minaarad hal soo noqnoqota ah, soo noqnoqoshada laba-geesoodka ah, iyo soo noqnoqda saddex-laab, iyo sidoo kale gudbiyaasha hirarka dhexdhexaadka ah ee heerar awoodeed oo kala duwan.
- Tiknoolajiyada ilaalinta hillaaca go'doominta ee gaarka ah, marka lagu daro ilaalinta hillaaca inductance dhulka dhaqameed, ilaalinta hillaaca go'doominta, iyo ilaalinta iftiinka graphite ee wareega magnetic giraanta, heerka ugu dambeeya ee shabakada sidoo kale waxay ku daraysaa ilaalinta go'doominta korantada korantada, sababtoo ah ma aha Aalad dhaqameedka xidhiidhka tooska ah iyo sifooyinka xulashada soo noqnoqda ee saxda ah ayaa ka dhigaya wax aan suurtagal ahayn in tamarta hillaaca si toos ah loogu gudbiyo gudbiyaha iyada oo loo marayo shabakadda anteenada. Naqshadeynta taxanahan alaabada shabakadu waxay qabataa isku darka naqshadaynta shabakada dhaqameed iyo tignoolajiyada go'doominta isku xidhka korantada, oo ay ku jiraan nooca L-dhaqameedka, nashqada nooca π, iyo nashqada ilaalinta hillaaca dhaqameed, iyo sidoo kale go'doominta isku xidhka korantada cusub. Tan iyo 2014, si weyn ayaa loo isticmaalay codsiyada waxaana si fiican u soo dhaweeyay isticmaalayaasha. Ilaa hadda, ma jiro cillad gudbiye oo ka dhalatay danab, sidoo kale ma jiro hal shabakad qaboojiye oo cilladaysan.
- Isticmaalka kontoroolka hal-chip-ka ah, qiimaha tallaabada hagaajinta inductance waxay noqon kartaa 0.1uH, saxnaanta hagaajintuna waa sarraysaa.
- Gudbinta wireless-ka, iyo "sanduuqa kantaroolka" iyo "sanduuqa hagaajinta" waxaa loogu talagalay ilaalinta hillaaca si loo kordhiyo kalsoonida xakamaynta.
- Baaxadda la isku hagaajin karo ee gariiradda waxay ku dhowdahay 10uH, iyo kala duwanaanta isbarbardhigga iyo kala saarista sidoo kale waa mid aad u ballaaran (VSWR ee la tijaabiyay gudaha 1.5 waxay si fiican u barbar dhigi kartaa 50Ω).
- Lagu qalabeeyay ilaalin dheeraad ah oo hagaajin ah, looma baahna in laga walwalo waxyeelada gariiradda ay sababto shaqo xumo.
FMUSER: Soo saaraha ugu Fiican ee AM Antenna Tuning Unit oo ka yimid Shiinaha
FMUSER waa mid ka mid ah soosaarayaasha iyo alaab-qeybiyeyaasha AM ee ugu weyn Shiinaha. Waxaan bixinaa qalab baahinta AM (LW/SW/MW) xirfadleyda ah iyo xallinta furaha dhameystiran ee xarumaha baahinta AM, oo ay ku jiraan iibinta gudbiyaasha mowjadaha dhexdhexaadka ah, 50Ω MW unugga hagaajinta anteenada (awoodda wax-soo-gelinta waxay kuxirantahay awooddaada gudbiyaha AM), iyo dhowr sare- anteenooyinka baahinta AM ee tayada leh, culeysyo xariif ah iyo qalab kale oo xirfad leh.
Daawo gudbiyaha 10kW AM ee taxanaha muuqaalka goobta ee Cabanatuan, Filibiin:
Waxaan ku siin karnaa dhismayaal hore loo habeeyey oo loogu talagalay cutubyada isku habboon ee anteenada awoodda sare leh. Dhismayaashani waxay adeegsadaan habka rakibaadda degdega ah, kaas oo si buuxda loo baabi'in karo gaadiidka weelka. Waxay ku daboolan yihiin xumbo, waxay ka kooban yihiin gaashaanka RF, waxaa lagu qalabeyn karaa nidaam koronto oo dhameystiran oo buuxinaya heerar kasta oo deegaanka ah, waxaana ku jiri kara hababka kuleylka/hawo qaboojinta.
Isticmaalka dhismayaashan ayaa si weyn u gaabinaya wakhtiga shaqada ee goobta. Dhismaha waxaa lagu rakibay laguna tijaabiyay warshadda FMUSER waxaana la rakibay moduleka habraaca anteenada. Kadibna, unuga hagaajinta anteenada oo dhan waa la calaamadiyey waxaana loo diwaangelinayaa isu imaatinka degdega ah ee goobta macaamiisha ka hor inta aan weelka la rarin.
Waxaad ku siin kartaa qalabyo kala duwan iyo doorashooyin unug u dhigma anteenna, ama waxaad cusboonaysiin kartaa ama hagaajin kartaa nidaamkaaga jira. Kuwaas waxaa ka mid ah mica iyo vacuum capacitors, qaybaha awoodda sare leh, RF inductors iyo gariiradaha, RF ammeters, insulators munaaradaha, transformers nalalka, nuujinta nalalka, iyo armaajooyinka.
Adeegyada caadiga ah ee la bixiyo:
- Qiimaynta Goobta Iyo Baaritaanka
- Naqshadaynta Anteenada iyo RF
- Maamulka mashruuca
- Kormeerka Rakibaadda
- Cilad-bixinta iyo Dayactirka
- Kormeerka Dayactirka
- Imtixaanka Nidaamka Anteenada
- Tijaabada Khatarta Electromagnetic
Weydii oraah maanta oo aan kaa caawino dhisidda idaacada AM!
Alaabooyinka lagu taliyay ee laga yaabaa inaad sidoo kale xiisaynayso
Soo-gudbiyeyaasha AM ee Adag-sare ee Awoodda Sare Ilaa 200 kW |
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1KW AM gudbiyaha | 3KW AM gudbiyaha | 5KW AM gudbiyaha | 10KW AM gudbiyaha |
25KW AM gudbiyaha | 50KW AM gudbiyaha | 100KW AM gudbiyaha | 200KW AM gudbiyaha |
Culaysyada Imtixaanka Anteennada AM Tower |
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1, 3, 10KW AM culeyska tijaabada | 100KW AM culeyska tijaabada gudbiyaha | 200KW AM culeyska tijaabada gudbiyaha |
Mawjada Dhexdhexaadka ah ee AM Antenna Tuning Unit: Waa maxay iyo sidee buu u shaqeeyaa?
Hirarka dhexdhexaadka ah Unugga hagaajinta anteenada (ATU) Waxa loola jeedaa qayb ka mid ah qalabka isku xidhka u dhexeeya gudbiyaha AM iyo anteenada baahinta AM.
Sidaha ay dhaliso gudbiyaha AM baahinta waxaa lagu kala qaadaa anteenada iyada oo loo sii marayo feedhaha coax-ka, iyo anteenadu waxa ay soo saartaa hirarka korantada.
Unugga hagaajinta anteenada ayaa sidoo kale loo magacaabay sida soo socota:
- Qalabka anteenada
- Qalabka anteenada ee tooska ah
- hagaajinta anteenada
- Ciyaarta anteenada
- Qalabka Qudhaanjadu
- Anteenada ATU
- Kubbadeeyaha anteenada
- Unug u dhigma anteenada
- Unug hagaajinta anteenada
- Unugga anteenada
- anteenada ATU
- ATU tuner antenna
- Qalabka anteenada otomaatiga ah
- Qaybta hagaajinta anteenada AM
- Isku xirka anteenada impedance
- Unugga hagaajinta anteenada ATU
Naqshadeynta Unugga Tuning Anteenada: Waxaa Sharaxay FMUSER
Qalabka anteenada tooska ah waa buundada isku xirta quudiyaha coax, gudbiyaha, iyo anteenada, iyadoo la hagaajinayo cabirrada gudbinta, unugga hagaajinta anteenada wuxuu awood u leeyahay inuu si aan kala go 'lahayn u gaaro isla caqabad la mid ah dhamaadka gelinta anteenada gudbinta iyo quudiyaha iyo magdhowga falcelinta anteenada gudbinaysa.
Dhab ahaantii, nidaamka quudiyaha anteenada gudbiyaha, anteenada iyo quudiyaha waa laba nidaam.
Sababo la xiriira sifooyinka impedance ee kala duwan, qayb ka mid ah tamarta korantada ayaa dib u soo muuqanaysa si ay u sameeyaan mowjad taagan khadka. Saamiga ugu sarreeya ee danab iyo godka danab ee mawjada taagan waxaa loo yaqaan ratio taagan danab.
Marka saamiga mawjadda taagani uu le'eg yahay 1, waxay ka dhigan tahay in anteenada iyo quudiyaha ay si dhammaystiran u siman yihiin, iyo tamarta-soo noqnoqda sare ee gudbiyaha waxaa oo dhan ka soo baxa anteenada. Heerka is-waafajinta anteenada iyo quudiyaha waxaa lagu cabbiraa isugeynta milicsiga ama saamiga mowjadda taagan ee gelinta anteenada.
Anteenada gudbinta, haddii hagaajinta anteenadu aanay wanaagsanayn, awoodda shucaaca ee anteenadu way yaraan doontaa, luminta quudiyaha ayaa kordhi doonta, awoodda quudiyaha sidoo kale way yaraan doontaa.
Saamiga korantada calaamadda iyo hadda calaamadda ee gelinta anteenada waxaa loo yaqaan impedance gelinta anteenada. Xidhiidhka gelinta ayaa leh qayb iska caabin ah R iyo qayb falcelineed X, taas oo ah, impedance Z=R+JX.
Jiritaanka qaybta falcelinta waxay yaraynaysaa soo saarista awoodda signalka ee anteenada quudiyaha. Sidaa darteed, qaybta falcelinta waa in loo sameeyaa sida eber ee suurtogalka ah, taas oo ah, impedance gelinta anteenada waa in loo sameeyaa iska caabin saafi ah intii suurtagal ah.
Sidaa darteed, unug u dhigma anteenada ayaa lagu daraa inta u dhaxaysa anteenada iyo quudiyaha.
Ma waxaad u raadinaysaa qalab badan si aad ugu dhisto nidaamka anteenada oo dhamaystiran xaruntaada baahinta? Hubi kuwan!
Haddii sifada impedance ee quudiyaha ay tahay 50 Ω, iyadoo la hagaajinayo ciribtirka anteenada, qaybta male-awaalka ah ee xannibaadda gelinta waa yar tahay, qaybta dhabta ahna waxay ku dhowdahay 50 Ω inta u dhaxaysa inta jeer ee hawlgalka ee loo baahan yahay si ay impedance-ka anteenadu u noqoto mid yar. Z=R=50 Ω, iyo isbarbardhig wanaagsan oo u dhexeeya anteenada iyo quudiyaha ayaa la gaaray. Tijaabada dhabta ah, waxaan guud ahaan u isticmaalnaa falanqeeye shabakada vector si aan u cabbirno caqabada.
Ujeedada dejinta cutubka u dhigma anteenada waa in la dhimo saamiga mowjadda taagan, la yareeyo awoodda muuqata, hagaajinta waxtarka gudbinta, ama hagaajinta waxtarka gudbinta.
Si loo hagaajiyo unugga hagaajinta anteenada AM, dhinaca kale, anteenadu waa inay ku jirtaa xaalad resonant ah, dhinaca kale, xannibaadda anteenada waa in lagu dhejiyaa quudiyaha gudbinta ka dib marka loo beddelo shabakad isku mid ah.
Dabcan, xitaa anteenada si fiican loo nashqadeeyay oo la hagaajiyay waxay had iyo jeer lahaan doontaa qiime yar oo ka mid ah qayb ka mid ah falcelinta wax gelinta.
Anteennada Gudbiyaha AM ee lagu taliyay Unugga Tuning Anteenada
FMUSER Mowjadda gaaban (SW) Anteenada Solutions |
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Omin-quadrant SW Ant | Qudhaanjad quudinaysa SW Omni | Qudhaanjada Wareegta ee SW |
SW Rotatable Arrays | SW Daahyada Habboon ee HRS 8/4/H | SW Cage Anteenada |
SW Daahyada Habboon ee HRS 4/4/H |
SW Daahyada Habboon ee HRS 4/2/H |
Daahyada SW HR 2/1/H |
FMUSER xalalka anteenada gudbiyaha mowjadaha gaaban - Booqo wax badan | ||
Daahyada SW HR 2/2/H |
FMUSER Hirarka Dhexdhexaadka ah (MW) Anteenada Solutions |
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Qaadashada Omni MW Ant | MW Shunt Fed Ant | Jihada MW Ant |
Waa maxay sababta Unugga Tunga Anteenada ay muhiim ugu tahay baahinta hirarka dhexdhexaadka ah?
Guud ahaan, rugta gudbiyaha hirarka dhexdhexaadka ah waxay ka kooban tahay kuwan soo socda qalabka gudbinta ee caadiga ah:
- Tuubada quudinta adag ee naxaasta ah
- Xidhiidhiyayaasha kala duwan
- gudbiyaha hirarka dhexdhexaadka ah
- munaarad anteeno hir dhexdhexaad ah
- MW Antenna Dummy Load
- Unug u dhigma anteenada
Waxaa ka mid ah, hawlaha ugu muhiimsan ee unugga hagaajinta anteenada waa:
- Cadaadiska jawaab celinta soo noqnoqoshada badan
- Barbardhiga Caqabadaha
- Ilaalinta hillaaca
Qalabka ku jira qolka gudbinta waxaa ka mid ah tuubooyinka quudinta adag ee naxaasta ah, feederiyeyaasha kala duwan iyo isku xirayaasha, iyo gudbiyeyaasha hirarka dhexdhexaadka ah, halka munaaradda anteenada dhexdhexaadka ah iyo qaybta hagaajinta anteenada AM guud ahaan lagu rakibay bannaanka gudbiyaha hirarka).
Unuga Tuning Antenna wuxuu u dhashay Beddelka Xaaladaha Gudbinta MW
Sababtoo ah xaaladaha deegaanka ee xasilloon, dayactirka qalabka gudaha waa sahlan tahay in la fuliyo, halka dayactirka qalabka gudbinta mawjada dhexdhexaadka ah uu aad u adag yahay, gaar ahaan rakibidda iyo hawlgelinta anteenooyinka dhexdhexaadka ah iyo cutubyada hagaajinta anteenada ATU - Shaqadan ayaa intooda badan lagu qabtaa meel bannaanka ah, sidaas awgeed deegaanka shaqadu waxa uu ahaan doonaa mid aad u liidata, dhibaatada dayactirkuna waxa ay noqon doontaa mid aad u sareysa.
Intaa waxaa dheer, horumarka magaalada, shabakadda anteenada si fudud ayaa loo burburiyaa, deegaanka ku hareeraysan ee elektromagnetic-ka ayaa noqday mid aad u adag, tirada gudbiyaasha sababtoo ah cilladda anteenada iyo feederiyaha ayaa sidoo kale kordhay. Inta jeer ee shabakadaha wax-ka-hortagga ahi waxay noqdeen kuwo aad iyo aad uga badan sidii hore.
Unugga Tuning Anteenada waa Shabakadda ugu dambeysa ee Saldhig Gudbinta
Waxaa mudan in la xuso in impedance-ka-gelinta anteenadu ay inta badan la xiriirto qaab-dhismeedkeeda joomatari iyo inta jeer ee hirarka raadiyaha ee soo socda. Halkan, cutubyo hagaajinta anteenada oo u dhigma ciribtirka gelinta anteenada iyo cilladda dabeecadda quudiyaha ayaa loo baahan yahay si ay awood ugu yeelato soo-saarka gudbiyaha. Awoodda soo noqnoqda sare waxaa loo geyn karaa anteenada si caadi ah.
Isla mar ahaantaana, sida shabakada ugu dambeysa ee nidaamka gudbiyaha, qaybta hagaajinta anteenada ATU kuma xirna oo kaliya in gudbiyaha si caadi ah loo shido, laakiin sidoo kale tayada iyo badbaadada calaamada uu gudbiyo gudbiyaha. Marka ay adag tahay in cilada la hagaajiyo, waxay keenaysaa in idaacaddu istaagto muddo dheer. baahinta (runtiina, tani inta badan way dhacdaa), taasoo si aan ka soo noqosho lahayn u dhaawacaysa dakhliga idaacadda.
Dayactirka Wanaagsan ee Qaybta Daawaynta Anteenada waa Halis
Rakibaadda habsamida leh, wax-ka-hortagga, iyo ilaalinta nidaamka shabakadda anteenada ayaa aad muhiim ugu ah xarun kasta oo laga soo dajiyo.
Xaalado kala duwan oo ujeedo ah dartood, qolka gudbiyaha mowjadaha dhexdhexaadka ah ee waddamo/gobollo badan ma dhisi karo qol ku habboon, oo kaliya waxay isticmaali karaan sanduuq ku habboon. Shuruudaha rakibaadda sanduuqa isku midka ah ee caadiga ah waa:
- Cabbirka sanduuqa waa inuu ahaadaa mid ku habboon meesha lagu rakibayo.
- Markaad xayaysiiso booska gudaha ee sanduuqa, tixgeli xajmiga inductor-ka loo baahan yahay oo u oggolow in lagu rakibo.
- Sababtoo ah shaqada muddada dheer ee bannaanka, waa lagama maarmaan in la tixgeliyo in alaabta sanduuqa ay tahay inay noqdaan kuwo aan biyuhu lahayn, dab-demis ah, aan miridhku lahayn, aan boodh lahayn, iyo kuwo adag.
- Miisaanka guud ee sanduuqa waa inuu ku habboon yahay rakibaadda oo tixgeli culeyska-qaadista tiirka.
- Albaabka sanduuqu waa inuu ahaadaa mid la go'i karo inta suurtogalka ah si loo cabbiro loona saxo, albaabka sanduuqa waxaa laga furi karaa xagga hore iyo dhabarka labadaba marka shuruuduhu oggolaadaan.
Si kastaba ha ahaatee, isticmaalka sanduuqyada isbarbardhigga ayaa si weyn u xaddidi doona tirada qaybaha la dhigo. Ma jiraan qaybo badan iyo meelaynta xaddidan, iyo xuduudaha qaybinta ayaa ah mid adag, taas oo kordhinaysa dhibka rakibidda, hagaajinta, iyo dayactirka.
Alaabooyinka lagu taliyay ee laga yaabaa inaad sidoo kale xiisaynayso
Ilaa 1000 Watt |
Ilaa 10000 Watt |
Gudbiyeyaasha, anteenooyinka, fiilooyinka |
Istuudiyaha raadiyaha, xarunta gudbinta |
STL TX, RX, iyo anteeno |
1 ilaa 8 bays baakadaha anteenada FM |
Cutubka Daawaynta Anteenada: Ka Wanagsan Solution Daawaynta Anteenada Dhaqanka
Shabakadda wax soo saarka mishiinka ee gudbiyaasha dhaqameed ma dabooli karaan baahiyaha maalinlaha ah
Iyada oo horumarka degdega ah ee tignoolajiyada ee warshadaha baahinta, gudbiyaha mowjadaha dhexdhexaadka ah ayaa si tartiib tartiib ah u adeegsaday qaar ka mid ah tignoolajiyada casriga ah, kuwaas oo aan buuxin oo kaliya shuruudaha hawlgalka ee gudbiyaha laakiin sidoo kale si weyn u wanaajiya hufnaanta shaqada. Sida wax soo saarka xilliga cusub, gudbiyaha mawjada dhexdhexaadka ah ee gobolka oo dhan waxay leedahay faa'iidooyinka ilaalinta deegaanka iyo isticmaalka tamarta yar.
Waqtigan xaadirka ah, gudbiyaha mowjadaha dhexdhexaadka ah ayaa ah kuwa ugu badan ee loo isticmaalo warshadaha baahinta TV-ga. Waxay aad u yaraynaysaa kharashka dayactirka iyo ilaalinta gudbiyaha waxayna yaraynaysaa isticmaalka agabka iyo shaqada shaqaalaha la xidhiidha. culays.
Waa in la sheegaa in horumarka weyn ee tignoolajiyada gudbinta mowjadaha dhexdhexaadka ah ay tahay cilmi baarista iyo adeegsiga 10kw-dhammaan-dhabarka-dhabarka ah ee gudbiyeyaasha baahinta hirarka dhexdhexaadka ah. Marka la barbardhigo gudbiyihii hore ee mowjadaha dhexdhexaadka ah, waxtarka hawlgalka ee qalabka ayaa si weyn loo hagaajiyay iyo dayactirka ayaa ah mid aad u habboon, kaas oo hubinaya habsami u socodka nidaamka oo dhan.
Isku-habeynta dhaqameed ee gudbiyaha waxay isticmaashaa shabakada wax soo saarka ee mashiinka si ay ugu habboonaato shabakada anteenada, taas oo aan kordhinaynin oo kaliya khasaaraha gudbinta laakiin sidoo kale ma dammaanad qaadi karto hawlgalka caadiga ah ee mashiinka.
Inkasta oo gudbiyaha mawjadaha dhexdhexaadka ah ee dhammaan-adag ee hadda jira uu qaato naqshadaynta saxda ah ee isku-dhafan ee isku-dhafan, shuruudaha jawiga shaqada ayaa la wanaajiyey, iyo awoodaha is-ilaalinta iyo la socodka gudbinta waa la wanaajiyey. Isbeddel yar, gudbiyehu si joogto ah ayuu u daa korantada ama si toos ah ayuu u dami doonaa.
Naqshad aan fiicnayn ee Gudbiyaha Hirarka Dhexdhexaadka ah
Waxaa intaa dheer, sababtoo ah awoodda ka-hortagga faragelinta iyo iska caabbinta korantada yar ee transistor-ka saameynta duurka oxide-ka ee loo isticmaalo gudbiyaha mawjadaha dhexdhexaadka ah ee dhammaan-adag kuma filna, waxaa hubaal ah inay saameyn xun ku yeelan doonto shabakadda anteenada inta lagu jiro hawlgalka. .
Haddii gudbiyaha uu u gudbin karo si deggan oo la isku halleyn karo oo uu ku gaari karo awoodda gudbinta ugu badan waxaa si weyn u saameeya naqshadda qaybta hagaajinta anteenada.
Soo ifbaxa shabkada la qabsiga ayaa bedeshay hab dhaqameedka quudiyaha anteenada iyadoo la isbarbardhigayo dhamaadka gudbiyaha. Marka is-hortaagga anteenadu ay isbeddesho heerkulka ama qoyaanka, xannibaadda gelitaanka shabakadda hagaajinta anteenada ayaa ka leexanaysa 50Ω. Iyada oo la hagaajinayo shabakada la-qabsiga, is-hortaagga unugga hagaajinta anteenada ayaa dib loogu dhigmaa 50Ω, si loo hubiyo in gudbiyaha uu gaaro saameynta gudbinta ugu wanaagsan.
Maadaama shabakada la qabsiga ay tahay hagaajin aan xiriir la lahayn, hagaajintu ma saameynayso baahinta caadiga ah ee gudbiyaha, mana jirto wax ifafaale ah in hagaajintu ay adagtahay ama aan suurtagal ahayn in la hagaajiyo ka dib dhowr jeer oo hagaajin ah.
Waa maxay Qaabdhismeedka Aasaasiga ah ee Cutubka Daawaynta Anteenada
Unug hagaajinta anteenada waxay inta badan ka kooban tahay shabakad isku-habboon, shabakad xannibaysa, shabakad nuugista, shabakad hore loo dejiyay, nidaamka ilaalinta hillaaca, iyo qaybo kale.
Codsiyada wax ku oolka ah, sababtoo ah anteenada hirarka dhexdhexaadka ah waa mid aad u sareysa, waxaa si fudud u saameeya hillaaca iyo jawiga korantada. Si loo xaqiijiyo badbaadada iyo shaqada caadiga ah ee gudbiyaha, alaab-qeybiyeyaasha shabakadda anteenada qaarkood waxay dhigi doonaan kubbadaha dareeraha garaafka ee albaabka anteenada si ay u sii daayaan. Ama ku dar shabakad xannibaado iyo nidaamka ilaalinta hillaaca shabakadda isku habboon.
Isku-xidhka Shabakadda Anteenada ATU
Muhiimadda jiritaanka shabakadda isku-habboonaanta waa in la sameeyo gudbiyaha guud ee gobolka-adag ee mawjada dhexdhexaadka ah iyo caabbinta sifada quudiyaha si dhow ugu xiran si ay u hesho goobaha shabakadda ee gobolka ku habboon. Shabakadda ku habbooni wax saamayn ah kuma yeelanayso habsami u socodka baahinta baahinta hirarka dhexdhexaadka ah ee gobolka oo dhan. saamayn la dhayalsaday.
Unugga u dhigma anteenada waa shabakad loo dejiyay isku xirka dhex dhexaadiyaha mawjada dhexdhexaadka ah iyo caabbinta sifada feedhaha xaalad shaqo oo wanaagsan.
Ujeedada loogu daro shabakad ku habboon nidaamka quudiyaha anteenada waa in la sameeyo xannibaadda anteenada iyo xannibaadda quudiyaha oo siman ama la mid ah. Waxaa jira saddex nooc oo shabakad isku mid ah: qaabka Γ, qaabka T, iyo qaabka Π, kuwaas oo qaabka Γ u qaybsan yahay qaabka Γ togan iyo qaabka Γ rogay.
Shabakadda Γ-qaabaysan waa mid fudud, oo leh laba (laba kooxood) oo keliya, waa inductor, iyo capacitor. Aragti ahaan, shabakadda Γ-qaabaysan waxay la jaanqaadi kartaa caqabad kasta oo ka soo horjeeda xannibaadda aan u baahanahay. Shabakadda Π-qaabaysan waxay ka kooban tahay saddex qaybood, inductance ama capacitance cududda taxanaha ah waxaa loo tixgaliyaa inay tahay isku xidhka laba inductances ama capacitors, ka dib shabakadda Π-qaabaysan waxa loo arki karaa xidhiidh taxane ah Γ iyo a togan Γ network. Naqshadaynta guud, waxaa loo baahan yahay in la doorto foom leh qaab dhismeed fudud sida ugu macquulsan si loo fududeeyo cilladaha. Marka impedance galinta anteenadu waa R Z0 (caqabadda quudiyaha), qaabka Γ rogan ayaa la doortay.
Shabakadda Γ-qaabaysan waa mid fudud, oo leh laba (laba kooxood) oo keliya, waa inductor, iyo capacitor. Aragti ahaan, shabakadda Γ-qaabaysan waxay la jaanqaadi kartaa caqabad kasta oo ka soo horjeeda xannibaadda aan u baahanahay. Shabakadda Π-qaabaysan waxay ka kooban tahay saddex qaybood, inductance ama capacitance cududda taxanaha ah waxaa loo tixgaliyaa inay tahay isku xidhka laba inductances ama capacitors, ka dib shabakadda Π-qaabaysan waxa loo arki karaa xidhiidh taxane ah Γ iyo a togan Γ network. Naqshadaynta guud, waxaa loo baahan yahay in la doorto foom leh qaab dhismeed fudud sida ugu macquulsan si loo fududeeyo cilladaha. Marka impedance galinta anteenadu waa R Z0 (caqabadda quudiyaha), qaabka Γ rogan ayaa la doortay.
Xiritaanka Shabakadda Anteenada ATU
Sababta ay u jirto shabakad xannibaadda ayaa ah in anteenada gudbinta ee rugta gudbinta hirarka dhexdhexaadka ah ay leedahay sifo is-dhaafsi ah.
Nuxur ahaan, unugga u dhigma anteenada waxaa iska leh anteenada gudbinta iyo anteenada hesha, iyo guud ahaan, xarunta gudbinta ma laha hal anteeno gudbisa iyo soo noqnoqoshada, sidaa darteed anteenadu waxay u nugul tahay jawaab celinta soo noqnoqoshada sare, iyo soo noqnoqoshada sare. isha ku dhow ayaa loo helay jihada danbe. Qolka isku dhafka ah, korantada-soo noqnoqda sare waxaa si kale loogu gudbiyaa gudbiyaha iyada oo loo marayo shabakadda anteenada iyo quudiyaha. Iyada oo qulqulka korantada-soo noqnoqda sare, qaab-dhismeedka mawjada si lama-huraan ah ayaa isbeddeli doona, tayada calaamadda la gudbiyo waa la dhimi doonaa, sidoo kale waxay saameyn doontaa gudbiyaha. Qalabka iyo amniga ayaa ciyaaraya.
Shabakadda xannibaadda waxay meesha ka saartaa faragelinta wadajirka ah ee ka dhexeeya wareegyada laba-soo noqnoqda waxayna wanaajisaa tayada wax soo saarka calaamadda iyada oo loo marayo isku xirka isku midka ah ee wareegyada resonant.
Marka la soo koobo, saamaynta xannibaadda shabakadda waa:
- iyada oo loo marayo signalkan soo noqnoqda
- Jooji calaamadaha soo noqnoqda ee kale
Marka la dhaafo calaamada inta jeer een, impedance waa inuusan noqon mid aad u weyn. Marka la xannibo calaamadda soo noqnoqoshada kale, ma aha oo kaliya xannibaad weyn waa in lagu soo bandhigaa inta jeer ee kale, laakiin sidoo kale waa in la soo bandhigaa xajmiga weyn ee dhinaca sare iyo hoose ee soo noqnoqda kale, xannibaya inta jeer ee aan loo baahnayn. inta jeer.
Shabakadda Nuugista of Anteenada ATU
Muhiimadda jiritaanka shabakada nuugista ayaa ah in la yareeyo heerka kor u kaca korantada ee wareegga iyo ka hortagga xad-dhaafka ah ee labada daraf ee capacitor si uu u dhaawaco qalabka oo uu keeno fashil.
Shabakadda la sii hagaajiyay of Anteenada ATU
Shabakadda dib-u-hagaajinta ka hor waa inay la jaanqaado cilladda anteenada, badiyaa iyadoo lagu darayo inductance xagga hoose ee anteenada iyo xannibaadda anteenada oo barbar socota si ay u sameeyaan qayb dhab ah oo ku habboon falcelinta si ay u fududayso naqshadaynta iyo ciribtirka shabakadda isku habboon.
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