Li-circulator le li-isolators: lisebelisoa tsa mantlha ho li-circuits tsa RF le microwave

Lipotolohong tsa RF le microwave, li-circulator le li-isolator ke lisebelisoa tse peli tsa bohlokoa tse sebelisoang haholo ka lebaka la mesebetsi le lits'ebetso tsa tsona tse ikhethang. Ho utloisisa litšoaneleho tsa bona, mesebetsi le maemo a ts'ebeliso ho tla thusa baenjiniere ho khetha tharollo e nepahetseng meralong ea 'nete, ka hona ho ntlafatsa ts'ebetso ea sistimi le ho ts'epahala.

1. Circulator: Motsamaisi oa tataiso oa matšoao

1. Potoloho ke eng?
A circulator ke sesebelisoa se sa tsitsang se atisang ho sebelisa lisebelisoa tsa ferrite le matla a khoheli a ka ntle ho finyella phetisetso ea unidirectional ea matšoao. Hangata e na le likou tse tharo, 'me matšoao a ka fetisoa feela pakeng tsa likou ka tsela e tsitsitseng. Mohlala, ho tloha koung ea 1 ho ea koung ea 2, ho tloha koung ea 2 ho ea koung ea 3, le ho tloha koung ea 3 ho khutlela koung ea 1.
2. Mesebetsi e ka sehloohong ea potoloho
Kabo ea mats'oao le ho kopanya: tsamaisa matšoao ho likoung tse fapaneng tsa tlhahiso ka tsela e tsitsitseng, kapa kopanya matshwao ho tloha likoung tse ngata ho ea koung e le 'ngoe.
Fetisetsa le ho amohela ho itšehla thajana: e sebelisoa joalo ka duplexer ho fihlela ho itšehla thajana ha phetisetso le ho amohela matšoao ka antenna e le 'ngoe.
3. Litšobotsi tsa li-circulator
Ho se lumellane: matšoao a ka fetisoa ka tsela e le 'ngoe feela, ho qoba tšitiso e khutlelang morao.
Tahlehelo e tlase ea ho kenya: tahlehelo ea matla a tlase nakong ea phetisetso ea matšoao, haholo-holo e loketseng lits'ebetso tse phahameng haholo.
Ts'ehetso ea Wideband: e ka koahela maqhubu a mangata ho tloha MHz ho ea GHz.
4. Litšebeliso tse tloaelehileng tsa li-circulator
Sistimi ea Radar: e arola mochini o fetisang molaetsa ho moamoheli ho thibela matšoao a phetisetso ea matla a phahameng ho senya sesebelisoa se amohelang.
Sistimi ea puisano: e sebelisetsoa ho tsamaisa mats'oao le ho fetola li-antenna tse ngata.
Sistimi ea Antenna: e ts'ehetsa ho itšehla thajana ha matšoao a fetisoang le a amoheloang ho ntlafatsa botsitso ba sistimi.

II. Isolator: mokoallo oa tšireletso ea lets'oao

1. Motho ea itšehlang thajana ke eng?
Li-Isolators ke mofuta o ikhethileng oa li-circulator, hangata li na le likou tse peli feela. Mosebetsi oa eona o ka sehloohong ke ho hatella ponts'o ea lets'oao le ho khutla, ho sireletsa lisebelisoa tse hlokolosi hore li se ke tsa sitisoa.
2. Mesebetsi e ka sehloohong ea batho ba itšehlang thajana
Ho itšehla thajana: thibela mats'oao a bonts'itsoeng hore a se ke a khutlela morao ho lisebelisoa tse ka pele (tse kang li-transmitters kapa amplifiers) ho qoba mocheso o feteletseng kapa ho senyeha ha ts'ebetso ea lisebelisoa.
Tšireletso ea tsamaiso: lipotolohong tse rarahaneng, li-isolator li ka thibela ho kena-kenana pakeng tsa li-module tse haufi le ho ntlafatsa botšepehi ba tsamaiso.
3. Litšobotsi tsa batho ba itšehlang thajana
Phetiso ea unidirectional: lets'oao le ka fetisoa feela ho tloha pheletsong ea ho kenya ho ea pheletsong ea tlhahiso, 'me lets'oao le ka morao le hatelloa kapa le kenngoa.
Ho itšehla thajana ho phahameng: ho fana ka phello e phahameng haholo ea khatello ho matšoao a bonts'itsoeng, hangata ho fihla ho 20dB kapa ho feta.
Tahlehelo e tlase ea ho kenya: e tiisa hore tahlehelo ea matla nakong ea phetisetso ea matšoao a tloaelehileng e tlase kamoo ho ka khonehang.
4. Ts'ebeliso e tloaelehileng ea li-isolator
Tšireletso ea amplifier ea RF: thibela mats'oao a bonahatsoang hore a se ke a baka ts'ebetso e sa tsitsang kapa esita le tšenyo ea amplifier.
Sistimi ea puisano e se nang mohala: arola mojule oa RF ho sistimi ea antenna ea setsi.
Lisebelisoa tsa liteko: tlosa matšoao a bonts'itsoeng sesebelisoa sa ho lekanya ho ntlafatsa ho nepahala ha tlhahlobo.

III. Joang ho khetha sesebelisoa se nepahetseng?

Ha o rala lipotoloho tsa RF kapa microwave, khetho ea se potolohang kapa e itšehla thajana e lokela ho ipapisa le litlhoko tse ikhethileng tsa kopo:
Haeba o hloka ho aba kapa ho kopanya matšoao lipakeng tsa likou tse ngata, li-circulator lia khethoa.
Haeba sepheo sa mantlha ke ho sireletsa sesebelisoa kapa ho fokotsa tšitiso ho tsoa ho matšoao a bonts'itsoeng, li-isolator ke khetho e ntle.
Ho phaella moo, palo ea maqhubu, tahlehelo ea ho kenya, ho itšehla thajana le litlhoko tsa boholo ba sesebelisoa li tlameha ho nkoa ka botlalo ho netefatsa hore matšoao a ts'ebetso ea tsamaiso e itseng aa phethahala.

IV. Mekhoa ea Tsoelo-pele ea Bokamoso

Ka nts'etsopele ea theknoloji ea puisano e se nang mohala, tlhoko ea miniaturization le ts'ebetso e phahameng ea lisebelisoa tsa RF le microwave e ntse e eketseha. Li-circulator le li-isolator li ntse li tsoela pele butle-butle ka litsela tse latelang:
Tšehetso ea maqhubu a phahameng: tšehetso ea lihlopha tsa maqhubu a millimeter (joalo ka 5G le millimeter wave radar).
Moralo o kopaneng: o kopantsoe le lisebelisoa tse ling tsa RF (joalo ka li-filters le li-divider tsa motlakase) ho ntlafatsa ts'ebetso ea sistimi.
Theko e tlase le miniaturization: sebelisa lisebelisoa tse ncha le lits'ebetso tsa tlhahiso ho fokotsa litšenyehelo le ho ikamahanya le litlhoko tsa lisebelisoa tsa terminal.