Coaxial switch ke sesebelisoa sa motlakase sa motlakase se sebelisoang ho chencha mats'oao a RF ho tloha mocha o mong ho ea ho o mong.Li-switches tsena li sebelisoa haholo maemong a ho tsamaisa mats'oao a hlokang maqhubu a phahameng, matla a phahameng le ts'ebetso e phahameng ea RF.E boetse e sebelisoa hangata lits'ebetsong tsa liteko tsa RF, joalo ka li-antenna, likhokahano tsa sathelaete, likhokahano tsa mehala, liteishene tsa motheo, li-avionics, kapa lits'ebetso tse ling tse hlokang ho fetola mats'oao a RF ho tloha pheletsong e 'ngoe ho ea ho e' ngoe.
Fetola boema-kepe
Ha re bua ka li-switches tsa coaxial, hangata re re nPmT, ke hore, n pole m throw, moo n ke palo ea li-ports tsa ho kenya le m ke palo ea likou tse hlahisoang.Mohlala, sesebelisoa sa RF se nang le kou e le 'ngoe ea ho kenya le likou tse peli tse tsoang li bitsoa SPDT/1P2T.Haeba switch ea RF e na le kenyeletso e le 'ngoe le liphetho tse 14, re hloka ho khetha switch ea RF ea SP14T.
Fetola li-parameter le litšobotsi
Haeba lets'oao le hloka ho fetoloa lipakeng tsa li-antenna tse peli, re ka tseba hanghang ho khetha SPDT.Leha boholo ba khetho bo fokotsehile ho SPDT, re ntse re hloka ho tobana le maemo a mangata a tloaelehileng a fanoeng ke bahlahisi.Re hloka ho bala ka hloko li-parameter tsena le litšobotsi, tse kang VSWR, Ins.Loss, ho itšehla thajana, maqhubu, mofuta oa sehokelo, matla a matla, motlakase, mofuta oa ts'ebetsong, terminal, pontšo, potoloho ea taolo le likarolo tse ling tsa boikhethelo.
Hangata le mofuta oa sehokelo
Re hloka ho tseba hore na mofuta oa frequency oa sistimi ebe o khetha switch e nepahetseng ea coaxial ho latela khafetsa.Maqhubu a phahameng a ts'ebetso ea li-switches tsa coaxial a ka fihla ho 67GHz, 'me letoto le fapaneng la li-switches tsa coaxial li na le maqhubu a fapaneng a ts'ebetso.Ka kakaretso, re ka ahlola maqhubu a ts'ebetso ea coaxial switch ho latela mofuta oa sehokelo, kapa mofuta oa sehokelo o lekanya hore na maqhubu a coaxial a fetoha joang.
Bakeng sa boemo ba ts'ebeliso ea 40GHz, re tlameha ho khetha sehokelo sa 2.92mm.Lihokelo tsa SMA li sebelisoa hangata sebakeng sa maqhubu ka har'a 26.5GHz.Lihokelo tse ling tse sebelisoang hangata, joalo ka N-head le TNC, li ka sebetsa ho 12.4GHz.Qetellong, sehokelo sa BNC se ka sebetsa ho 4GHz feela.
DC-6/8/12.4/18/26.5 GHz: Sehokelo sa SMA
DC-40/43.5 GHz: 2.92mm sehokelo
DC-50/53/67 GHz: 1.85mm sehokelo
Matla a matla
Khethong ea rona ea ts'ebeliso le lisebelisoa, matla a matla hangata ke paramente ea bohlokoa.Hore na switch e ka mamella matla a makae hangata ho khethoa ke moralo oa mochini oa switch, lisebelisoa tse sebelisoang, le mofuta oa sehokelo.Lintlha tse ling li boetse li fokotsa matla a matla a switch, joalo ka khafetsa, mocheso o sebetsang le bophahamo.
Palo ea li-volts
Re se re tsebile boholo ba li-parameter tsa bohlokoa tsa coaxial switch, 'me khetho ea mekhahlelo e latelang e itšetlehile ka ho feletseng ho khetho ea mosebedisi.
Sesebelisoa sa coaxial se na le coil ea electromagnetic le makenete, tse hlokang motlakase oa DC ho khanna switch ho ea tseleng e tsamaellanang ea RF.Mefuta ea motlakase e sebelisetsoang papiso ea coaxial switch ke e latelang:
Mofuta oa motlakase oa li-coil
5VDC 4-6VDC
12VDC 13-17VDC
Tlhaloso: 24VDC 20-28VDC
28VDC 24-32VDC
Mofuta oa Drive
Ho switjha, mokhanni ke sesebelisoa sa electromechanical se fetolang lintlha tsa RF ho tloha sebakeng se seng ho ea ho se seng.Bakeng sa li-switches tse ngata tsa RF, valve ea solenoid e sebelisoa ho sebetsana le khokahano ea mochini ho khokahanyo ea RF.Ha re khetha switch, hangata re tobana le mefuta e mene e fapaneng ea li-drive.
Failsafe
Ha ho sa sebelisoe motlakase oa taolo ea kantle, mocha o le mong o lula o le teng.Eketsa phepelo ea motlakase e kantle 'me u fetole ho khetha mocha o lumellanang;Ha motlakase oa kantle o nyamela, sesebelisoa se tla fetohela ho mocha o tloaelehileng oa ho tsamaisa.Ka hona, hoa hlokahala ho fana ka phepelo ea motlakase e tsoelang pele ea DC ho boloka switch e fetisetsoa likoung tse ling.
Latching
Haeba sesebelisoa sa latching se hloka ho boloka boemo ba sona ba ho fetoha, se hloka ho tsoela pele ho kenya hona joale ho fihlela sesebelisoa sa motlakase sa pulse DC se sebelisoa ho fetola boemo ba hona joale ba ho fetoha.Ka hona, koloi ea Place Latching e ka lula e le boemong ba ho qetela ka mor'a hore motlakase o nyamele.
Latching Self Cut-off
Sesebelisoa se hloka feela hona joale nakong ea ts'ebetso ea ho chencha.Ka mor'a hore phetoho e phethoe, ho na le hona joale ho koala ka mokhoa o itekanetseng ka har'a sesebelisoa.Ka nako ena, switch ha e na hona joale.Ke ho re, mokhoa oa ho fetola o hloka motlakase o ka ntle.Ka mor'a hore ts'ebetso e tsitsitse (bonyane 50ms), tlosa motlakase o ka ntle, 'me sesebelisoa se tla lula mocha o boletsoeng' me se ke ke sa fetohela mocha oa pele.
Ka tloaelo Open
Mokhoa ona oa ho sebetsa SPNT o sebetsa feela.Ntle le motlakase oa taolo, liteishene tsohle tse fetohang ha li tsamaee;Eketsa phepelo ea motlakase ea kantle 'me u fetole ho khetha mocha o boletsoeng;Ha motlakase oa kantle o le nyane, switch e khutlela sebakeng sa hore likanale tsohle ha li sebetse.
Phapang lipakeng tsa Latching le Failsafe
Matla a ho laola a Failsafe a tlosoa, 'me sesebelisoa se fetisetsoa mocha o tloaelehileng o koetsoeng;Motlakase oa ho laola Latching o tlosoa 'me o sala mocha o khethiloeng.
Ha phoso e etsahala mme matla a RF a nyamela, 'me switch e hloka ho khethoa mocha o itseng, Failsafe switch e ka nahanoa.Mokhoa ona o ka boela oa khethoa haeba mocha o le mong o sebelisoa ka mokhoa o tloaelehileng 'me mocha o mong o sa sebelisoe ka tsela e tloaelehileng, hobane ha u khetha mocha o tloaelehileng, sesebelisoa ha se hloke ho fana ka motlakase oa motlakase le oa hona joale, o ka ntlafatsang matla a matla.
Nako ea poso: Dec-03-2022