RF coaxial connecteurs, i n’a fɔ fɛn kolomaw minnu bɛ se ka kɛ sababu ye ka taamasiyɛnw cicogo caman sɔrɔ, olu bɛ baara kɛ kosɛbɛ kunnafoniko, sanfɛla, sɛgɛsɛgɛli ni sumani, ani baara wɛrɛw la. U ka baarakɛcogo bɛ nɔ bila taamasiyɛn dafalen na, cikanw cicogo ɲuman na, ani sistɛmu dannaya la. Nin barokun in bɛ RF coaxial connecteurs fɛɛrɛ jɔnjɔnw ɲɛfɔ cogo labɛnnen na ka bɔ fɛnw sugandili, u jɔcogo, u dilanni taabolo, ani sɛgɛsɛgɛli sɛgɛsɛgɛli siratigɛ la.
Fɛnw sugandili ani u ɲɛda furakɛli
RF coaxial connecteurs ka baarakɛcogo bɛ bɔ kosɛbɛ fɛnw sugandili la. A ka c’a la, cɛmancɛ-minɛn bɛ dilan ni fɛnw ye minnu bɛ se ka fɛnw ta kosɛbɛ i n’a fɔ bereliyɔmu nɛgɛ (BeCu), fosifɔri nɛgɛ (PhBr), walima sanu-nɛgɛ sɔgɔlen walasa ka ɲɔgɔnkanu dɔgɔya ani ka taamasiyɛnw cicogo ɲuman sɔrɔ. A ka c’a la, kɛnɛma-minɛn bɛ dilan ni nɛgɛ ye min tɛ sɔgɔ (i n’a fɔ SUS303, SUS316) walima nɛgɛ (i n’a fɔ H59, H62) walasa ka masin fanga ni baarakɛcogo bɛn ɲɔgɔn ma. A ka c’a la, dielektriki min bɛ fɛnw tanga, o bɛ dilan ni politetrafluoroéthylène (PTFE), poliimidi (PI), walima seramiki ye walasa ka dielektriki sabatilen sabatilen di ani ka bɔnɛ dɔgɔya cogoya.
Surface furakɛli nafa ka bon kosɛbɛ ka ɲɛsin ɲɔgɔndan ma walasa a ka se ka sɔgɔsɔgɔ ani ka da a kan a ka se ka ɲɔgɔn sɔrɔ. Furakɛli minnu ka teli ka kɛ, olu ye sanu (Au), nikɛri (Ni), walima warijɛ (Ag) sɔgɔli ye. Sanu sɔgɔli bɛ kɛ kosɛbɛ -daŋaniya caman na k’a sababu kɛ a ka oksidan kunbɛncogo ɲuman ye ani a ka ɲɔgɔn sɔrɔli dɔgɔyali; nikɛri sɔgɔli bɛ sɛgɛncogo ɲuman di ani ka a tanga fɛnw ni ɲɔgɔn cɛ.
Jateblaw labɛncogo ani Paramɛtiriw jɔnjɔnw
RF coaxial connecteurs jɔcogo ka kan ka tugu kosɛbɛ electromagnetic field theory la walasa ka impedance matching (a ka c’a la 50Ω walima 75Ω) walasa ka signal reflections dɔgɔya. Dilancogo yɔrɔ kolomaw ye ninnu ye:
1. Impedance matching: Ni aw bɛ kɔnɔna conducteur cɛmancɛ, insulasi janya, ani kɛnɛma conducteur kɔnɔna cɛmancɛ kɔlɔsi tigitigi, transmission line characteristic impedance bɛ lajɛ ka bɛn sistɛmu wajibiyalenw ma.
2. Contact Interface Optimization: Baara kɛli ni contact structure resilient ye (i n’a fɔ pin-ani-socket design) o bɛ masin sabatili ɲɛ ani ka contact resistance dɔgɔya.
3. Lakanali nafa : Kɛnɛma ɲɛminɛbaga dilanni min bɛ to senna (i n’a fɔ ɲɔgɔndan min bɛ kɛ ni jiri ye walima bayonɛti dacogo) o bɛ kuran sɔgɔli (EMI) bali ka ɲɛ.
Ka fara o kan, fɛn kolomaw i n’a fɔ frequency range, insertion loss, voltage standing wave ratio (VSWR), ani durability (mating cycles) ka kan ka sɛgɛsɛgɛ simulation ni experimentation fɛ.
Fɛn dilanni taabolo ani masinw dilanni tigitigi
RF coaxial connecteurs dilanni bɛ tali kɛ masinko fɛɛrɛ kɔrɔlenw na, minnu bɛ tali kɛ fɔlɔ nin fɛɛrɛ ninnu na:
1. Masina: CNC jiginni walima taamasiyɛn tigitigiw bɛ kɛ ka kɔnɔna ni kɛnɛma fɛnw masin, ka a to u hakɛ muɲuni bɛ kɛ ±0,01mm kɔnɔ.
2. Insulator Molding : Dielektriki fɛnw i n’a fɔ PTFE bɛ siri ni pikiri kɛli ye walima ni masin crimping ye walasa u ka bɛn kosɛbɛ conducteurs ma.
3. Sanfɛla furakɛli : Kuranko kɛcogo bɛ a ɲini ka finimugu janya kɔlɔsi kosɛbɛ (misali la, sanu sɔgɔlen min ka bon ni 1μm ye walima min bɛ bɛn 1μm ma) ani a kɛcogo kelen walasa ka danfara don taamasiyɛnw cicogo la.
Ni -fɛrɛkan caman bɛ kɛ (i n’a fɔ milimɛtɛrɛ-wave bands), mikromasin fɛɛrɛw (i n’a fɔ laser trimming) fana ka kan ka kɛ walasa ka elekitorode jɔcogo ɲɛ.
Kɔrɔbɔli ni jogoɲini sɛgɛsɛgɛli
Walasa ka a jira ko ɲɔgɔndan baarakɛcogo bɛ bɛn sariyaw ma (i n’a fɔ IEC 61169 ani MIL-STD-348), sɛgɛsɛgɛli ni sɛgɛsɛgɛli bɛɛ ka kan ka kɛ, i n’a fɔ:
1. Kuran baarakɛcogo sɛgɛsɛgɛli : Donni bɔnɛ, segin bɔnɛ (VSWR), ɲɔgɔnkanu kunbɛnni, ani frequency response sumani.
2. Masina baarakɛcogo sɛgɛsɛgɛli : Ka doncogo ni bɔli fanga, a marali fanga, ani yɛrɛyɛrɛ/sɔgɔli kunbɛncogo jateminɛ.
3. Lamini ladamuni sɛgɛsɛgɛli : O la, funteni caman ni funteni dɔgɔman sɛgɛsɛgɛli (-55 degere ka se +125 degere ), kɔgɔ fiyɛli sɛgɛsɛgɛli, ani nɛnɛ sɛgɛsɛgɛli.
Sɛgɛsɛgɛli kɛcogo otomatiki (i n’a fɔ vecteur réseau analysateurs (VNA)) bɛ se ka kunnafoni nafamaw minɛ ka ɲɛ ani ka dilancogo ɲuman ɲɛminɛ.
RF coaxial connecteurs ka baarakɛcogo ɲuman sɔrɔli bɛ tali kɛ fɛnw dɔnniya, fɛn dilanni tigitigi, ani sɛgɛsɛgɛli gɛlɛnw ka jɛɲɔgɔnya la. Ni 5G, sateliti kunnafonidilanw, ani kunnafonidilanw teliya-tɛkisɛw yiriwali ye, ɲɔgɔndanw bɛna wuli ka taa fɔlikan caman na (i n’a fɔ terahertz), hakɛ fitininw, ani bɔnɛ dɔgɔyali. Ni ɲɛtaa bɛ kɛ ka taa a fɛ dilancogo ni baarakɛcogo la, o bɛ se ka dɔ fara u ka dannaya kan ani u ka se ka ladamu sigidaw la minnu ka jugu kosɛbɛ.