Ulwazi lwesixhumi se-BNC

Isixhumi se-BNC yisixhumi sentambo ye-coaxial, esetshenziswa kabanzi ezinhlelweni zokuxhumana.

Isakhiwo sesixhumi se-BNC

Izixhumi ze-BNC zifaka:

Ikhanda le-Bnc-t lokuxhuma ikhadi lenethiwekhi yekhompyutha nekhebula kunethiwekhi;

Isixhumi sebhakede le-BNC sokuxhuma izintambo ezimbili kukhebula ende;

Isixhumi sekhebula le-BNC, esisetshenziselwa ukushisela noma ukujiya ekugcineni kwekhebula;

Isinqamuli se-BNC sisetshenziselwa ukuvimbela ukuphazamiseka okubangelwa isignali eboniswa emuva ngemva kokufinyelela ekunqamukeni kwekhebula.I-terminator iyisixhumi esikhethekile esinokumelana okukhethiwe ngokucophelela ukufanisa izici zekhebula lenethiwekhi.Itheminali ngayinye kufanele ibe phansi.

Izici eziyinhloko zesixhumi se-BNC

1, i-impedance yesici

Ukuphazamiseka kwesici kwesixhumi se-BNC kungaphezu kuka-50 ω no-75 ω.Uchungechunge oluningi lwezixhumi ze-BNC luyatholakala kukho kokubili ukucaciswa okungu-50 ω kanye no-75 ω.

Ngokuvamile, izixhumi ze-50 ω BNC zisetshenziselwa imvamisa ephezulu, imikhiqizo ephezulu yokusebenza;Izixhumi ezingu-75 ω BNC zisetshenziselwa imikhiqizo enamaza aphansi, kakhulukazi angaphansi kuka-4GHz, ikakhulukazi kuvidiyo yomthengi kagesi.Abasebenzisi kufanele bakhethe isixhumi se-BNC esifana ne-impedance yabo ngokuya ngomkhiqizo wabo.

2, imvamisa,

UHLOBO ngalunye lwesixhumi se-BNC lunobubanzi befrikhwensi, futhi abasebenzisi badinga ukwazi imvamisa yokusebenza komkhiqizo wabo ukuze bakhethe isixhumi.Ukukhetha izixhumi ezinemvamisa ephansi yokusebenza kunalokho okudingekayo kuzothinta ukusebenza kukagesi kwawo wonke umshini;Noma khetha izixhumi ezibizayo zokunemba okuphezulu kwemvamisa ephezulu okuholela ekumosheni.

3 iphethini, VSWR

I-VSWR ingenye yezinkomba zokusebenza ezibaluleke kakhulu zesixhumi se-BNC.Kuyindinganiso yokulinganisa yenani lesiginali ebuyisiwe isuka kusixhumi.Kuyiyunithi ye-vector ehlanganisa i-amplitude nezingxenye zesigaba.I-VSWR yesixhumi esifanayo ihlukile kumafrikhwensi ahlukene.Ngokuvamile, ukuphakama kwemvamisa yokusetshenziswa, kuyanda i-VSWR.

Ikhwalithi yesixhumi se-BNC:

I-1, isixhumi se-BNC ebusweni bomkhiqizo, ukumbozwa kuhle futhi kugqamile, ukuhlanzeka kwethusi kuphezulu, eminye imikhiqizo ikhanya ngaphandle, kodwa iyinsimbi.

2, ukuhlolwa kwe-adsorption kazibuthe, ngokuvamile intwasahlobo ye-bayonet kuphela nentwasahlobo yomsila enezinto zensimbi;I-wire clamp, iphini kanye ne-casing yenziwe ngethusi, kanti ezinye izingxenye zenziwe nge-zinc alloy

3. Khwebula i-surface coating ukuze ubone okokusebenza: khubula i-coat ebusweni beblade namanye amathuluzi acijile ukuze ubone okokusebenza ngendlela enembile, futhi uqhathanise intuitively into yomkhiqizo ngokukhuhla isiqeshana socingo, iphinikhodi kanye nemikhono yehawu.

4. Ngaphezu kwalezi zindlela ezingenhla, ungase futhi ulungiselele ikhanda elihle lowesifazane ukuze uzame.