I-RF coaxial connector lulwahlulo lwe-electronic connector kunye nendawo eshushu.Okulandelayo, iinjineli zeCankemeng ziya kwenza intshayelelo yobungcali kulwazi lweRF coaxial connector.
Isishwankathelo se-RF coaxial connectors:
Izihlanganisi zeCoaxial, (Abanye abantu bakwayibiza ngokuba yiRF connector okanye iRF connector. Enyanisweni, isidibanisi seRF asifani ncam nesidibanisi esiqhagamshele. Ulwakhiwo lwesihlanganisi asiyiyo i-coaxial, kodwa ikwasetyenziswa kwintsimi ye-RF, kunye ne-coaxial connector nayo ingasetyenziswa kwi-frequency ephantsi, umzekelo, i-plug ye-headphone ye-audio eqhelekileyo kakhulu, i-frequency ayiyi kudlula i-3MHz Imbono yemveli, iRF ibhekisa kudidi lwe-MHz kule mihla, izihlanganisi ze-coaxial zihlala zisetyenziswa kwibala le-microwave kudidi lwe-GHz, igama elithi "RF" lisetyenziswe ngalo lonke ixesha kwaye linxibelelana negama elithi "microwave"). elisebe leeqhagamshela.Kukho ukufana kunye nomahluko phakathi kwezihlanganisi.Izihlanganisi ze-coaxial zinee-conductor zangaphakathi kunye nezibhengezo zangaphandle.I-conductor yangaphakathi isetyenziselwa ukudibanisa umgca wesignali.I-conductor yangaphandle ayingocingo olusemhlabeni kuphela lomgca wesignali (ubonakaliswe kumphezulu wangaphakathi we-conductor yangaphandle), kodwa idlala indima yokukhusela intsimi ye-electromagnetic (ukukhusela ukuphazamiseka kwamaza ombane wangaphakathi ukuya ngaphandle ngaphakathi. umphezulu womqhubi wangaphandle, kunye nokukhusela ukuphazamiseka kwendawo yangaphandle ye-electromagnetic ukuya ngaphakathi ngaphakathi kumphezulu ongaphandle we-coaxial conductor yangaphandle), Olu phawu lunika i-coaxial connector indawo enkulu kunye neenzuzo zesakhiwo.Umphandle wangaphandle wesikhokelo sangaphakathi kunye nomgangatho wangaphakathi wesikhokelo sangaphandle se-coaxial i-coaxial ngokusisiseko i-cylindrical surfaces - kwiimeko ezikhethekileyo, zihlala zifunwa ukulungiswa komatshini kunye ne-axis eqhelekileyo, ngoko zibizwa ngokuba yi-coaxial connectors.Phakathi kweendlela ezininzi zemigca yokuhambisa, intambo ye-coaxial isetyenziswa ngokubanzi ngenxa yeenzuzo zayo ezibalaseleyo (isakhiwo esilula, ukusetyenziswa kwendawo ephezulu, ukuveliswa okulula, ukusebenza okuphezulu kokuhambisa ...), okubangelwa isidingo sokudibanisa i-coaxial cable, kunye ne-coaxial connector isetyenziswa.Ngenxa yeenzuzo zesakhiwo se-coaxial, ukuqhubeka kweempawu ze-impedance (i-coaxial) isinxibelelanisi (xa kuthelekiswa nezinye iziqhagamshelo) kuqinisekiswa ngokulula, ukuphazamiseka kokuhanjiswa kunye nokuphazamiseka (EMI) kuphantsi kakhulu, kwaye ilahleko yokuhambisa incinci, ngoko ke. iphantse isetyenziswe ngokukhethekileyo kumaza kanomathotholo nakwiindawo zemicrowave.Ngenxa yokuba iphantse isetyenziswe kwi-frequency ephezulu, ezinye iimfuno zokusebenza kombane zahlukile kwezinye izihlanganisi
Isalathiso sokusebenza seRF coaxial isidibanisi
Ukusebenza kombane kwe-RF coaxial connector kufuneka kufane nokwandiswa kwentambo ye-coaxial cable, okanye impembelelo kwisignali ethunyelwayo kufuneka incitshiswe xa isidibanisi se-coaxial siqhagamshelwe ngentambo ye-coaxial.Ke ngoko, i-impedance yeempawu kunye nomlinganiselo wokuma wamaza ombane zizalathisi ezibalulekileyo ze-RF coaxial connector.Uphawu lwe-impedance yesiqhagamshelo lumisela uhlobo lwe-impedance yentambo eqhagamshelwe nayo Umlinganiselo we-voltage omileyo wamaza ubonisa inqanaba elihambelanayo lesiqhagamshelanisi.
A. I-Impedans yeempawu: uphawu oluqhelekileyo lomgca wothumelo olugqitywe yi-capacitance kunye ne-inductance yomzila wothumelo, obonisa ukuhanjiswa kombane kunye nemagnethi kumgca wothumelo.Ngethuba nje i-medium ye-transmission line ifana, i-impedance ye-chapatic i-impedance yinto eqhubekayo.Ngexesha lokuhanjiswa kwamaza, i-E/H ihlala njalo.Umgca wothumelo ngokwawo umisela i-impedance yayo yeempawu, kwaye i-impedance yempawu iyafana kuyo yonke indawo kumgca wothumelo.Kwiintambo ze-coaxial okanye i-coaxial connectors, i-impedance yempawu inqunywe yi-diameter yangaphakathi ye-conductor yangaphandle, i-diameter yangaphandle yomqhubi wangaphakathi kunye ne-dielectric constant ye-medium phakathi kwabaqhubi bangaphakathi nangaphandle.Kukho ubudlelwane obulandelayo bobungakanani.
B. I-coefficient ye-reflection: umlinganiselo wombane obonakalisiweyo kwi-voltage yegalelo.Okukhona ixabiso liphezulu, amandla abonakaliswe kancinci, kokukhona ihambelana ngcono, kokukhona ukusondela kophawu lwe-impedance, kwaye ngcono ukuqhubeka
C. Umlinganiselo wamaza ombane wokuma: kuya kubakho iindidi ezimbini zamaza asasaza kumgca wothumelo ongafanelekanga, elinye liza lesiganeko kwaye elinye liza elibonisiweyo.Kwezinye iindawo, kukho iindidi ezimbini zamaza ezibekwe phezulu.Amaza agqwesileyo awasasazeki ecaleni komgca wothumelo, kodwa amile.Ngamanye amagama, kusoloko kukho amandla ombane aphezulu okanye asezantsi kuyo nayiphi na inqwelomoya.Amaza anjalo abizwa ngokuba ngamaza amileyo.I-VSWR ngumyinge wesambuku sombane wegalelo kunye nombane obonakalisiweyo kumahluko phakathi kombane wegalelo kunye nombane obonakalisiweyo.Eli xabiso likhulu okanye lilingana no-1, elincinane lingcono, kwaye linobudlelwane bobungakanani kunye nomlinganiso wokubonisa.
Ixesha lokuposa: Feb-18-2023