Kamoo Li-PCB tsa Phased Array Antenna li Matlafatsang Mekhoa ea Tšireletso ea Moea ea Moloko o Latelang

Ha difofane tsa ntwa tsa moloko wa bohlano le dimisaele tse matla di ntse di hlahella e le ditshoso tse kgolo, di-radar tsa setso tse hlahlobilweng ka mechine di thatafallwa ke ho ikamahanya le maemo a fetohang ka potlako a ntwa. Radar e hlophisitsweng ka mekhahlelo, ka ho tsamaisa dibetsa tse se nang mahlasedi le bokgoni ba ho latela dipheo tse ngata, e se e le mokokotlo wa ditsamaiso tsa tshireletso ya moya tsa moloko o latelang. Motheong wa katleho ena ya theknoloji ho na le PCB ya antenna e hlophisitsweng ka mekhahlelo - mohale ya sa rorisweng ka mora ditsamaiso tse tswetseng pele tsa radar.

1. Antenna ea Phased Array PCB ke Eng?

PCB ea antenna ea mekhahlelo e nang le mekhahlelo ke boto ea potoloho ea maqhubu a phahameng e etselitsoeng ho laola ho tsamaisoa ha mahlaseli a sebetsang litsamaisong tsa radar. Ntle le tlhoko ea ho potoloha ka mechine, e nolofalletsa ho skena ka potlako le ho latela lipheo tse ngata ka nako e le 'ngoe, e leng se etsang hore e be karolo ea bohlokoa theknolojing ea radar ea mekhahlelo e nang le mekhahlelo.

2. Melemo e meraro ea mantlha e thusang ea li-PCB tsa Phased Array Antenna

Tshebetso ya maqhubu a phahameng le e pharaletseng:

Ha e le ea bohlokoa bakeng sa ho loantša litšokelo tse patiloeng, li-PCB tsena li sebelisa thepa e tsoetseng pele joalo ka Rogers kapa Taconic high-frequency laminate, tse tšehetsang lihlopha tsa Ka/Ku esita le maqhubu a millimeter-wave a khonang ho kenella ka har'a lipente tse patiloeng.

Botšepehi ba Pontšo:

Taolo e nepahetseng ea impedance le moralo oa mohala oa phetiso o nang le tahlehelo e tlase li netefatsa ho hasana ha lets'oao le phahameng ka lebelo le phahameng ka har'a li-antenna tse rarahaneng.

Khokahano ea High-Density (HDI):

Ho fokotsa lebelo le ts'ebetso e ntlafetseng li finyelloa ka li-microvia le theknoloji ea ho bokella, ho kopanya li-module tse likete tsa phetisetso/amohela (T/R) ka har'a sebaka se lekanyelitsoeng. Sena se nolofalletsa sebaka sa likarolo tsa antenna ho ba thata ho fihla ho ≤0.5λ, ho ntlafatsa haholo ho nepahala ha setering ea beam. Likarolo tse kenelletseng tse kang li-capacitor le li-resistor ka har'a mekhahlelo ea PCB li fokotsa bolelele ba tsela ea lets'oao, li fokotsa latency le lerata.

Tšepahala Libakeng Tse Feteletseng:

Litharollo tsa taolo ea mocheso, ho kenyeletsoa le li-substrate tsa tšepe-core (mohlala, li-PCB tse thehiloeng ho aluminium) le li-vias tse tsamaisang mocheso, li netefatsa ts'ebetso e tsitsitseng ea li-amplifier tsa matla tsa GaN mochesong o fihlang ho 150°C. Ho hanyetsa ho thothomela le ts'ireletso ea mafome, tse netefalitsoeng ho latela maemo a IPC-6012 Class 3, li lumella ts'ebetso tlas'a maemo a thata joalo ka mocheso o feteletseng, spray ea letsoai, le shock ea mechini.

3. Kamoo Li-PCB tsa Antenna tse Phahamisitsoeng li Matlafatsang Mekhoa ea Tšireletso ea Moea ea Moloko o Latelang

• Ho Latela ka Potlako Lipheo Tse Ngata: Taolo ea mahlaseli a elektroniki e lumella radar ho latela litšokelo tse ngata ka nako e le 'ngoe ka har'a li-millisecond.
• Tlhahlobo e Phahameng ea Qeto: Lisebelisoa tsa RF PCB tse tsoetseng pele li fokotsa tahlehelo ea lets'oao, li ntlafatsa ho hlaka ha litšoantšo le khethollo ea sepheo.
• Meralo ea Modular: Karolo e 'ngoe le e 'ngoe ea antenna e laoloa ke li-module tse ikemetseng tsa PCB, tse tšehetsang ho se sebetse hantle ha sistimi le ho nolofatsa tlhokomelo e potlakileng ea mola o ka pele.
• Ho Ikemela ha Ntoa ea Elektronike e Matla: Taolo e tenyetsehang ea maqhubu le tsela e nepahetseng ea ho latela mohlala e ntlafatsa ho pholoha khahlanong le ho thibana ha maqhubu le litlhaselo tsa elektroniki.

4. Litlhoko tsa Tekheniki bakeng sa li-PCB tsa Phased Array

• Sebaka sa Maqhubu a Ts'ebetso: 5 GHz - 40 GHz
• Lisebelisoa: Rogers, Taconic, I-Tera, le li-laminate tse ling tse nang le maqhubu a phahameng
• Mamello ea Taolo ea Impedance: ± 5%
• Palo ea Mealo: Tšehetso bakeng sa li-PCB tse nang le mealo e mengata tse nang le mealo e fetang 20
• Tsamaiso ea Thermal: Liboloko tsa koporo tse kentsoeng, li-backplane tsa tšepe, le mekhoa e meng ea ho qhala mocheso
• Liqeto tsa Bokaholimo: ENIG (Khauta ea ho Iqoelisa ea Nickel e se nang Electroless), ENEPIG (Khauta ea ho Iqoelisa ea Nickel e se nang Electroless Palladium), plating ea khauta e thata

5. Kamoo Li-PCB tsa Phase Array li Hlalosang Bocha Sebaka sa Tšireletso ea Moea

• Ntlafatso ea US Patriot-3: Ho kenyelletsoa ha li-PCB tsa dielectric tse nang le mekhahlelo e mengata ho ekelitse lebelo la ho latela sepheo ka 40% ha ka nako e ts'oanang ho fokotsa lialamo tsa bohata ka 30%.
• Sistimi ea Tšireletso ea Moea ea S-500 ea Russia: E sebelisa li-module tsa GaN T/R tse nang le li-PCB tse tsoetseng pele tsa ho qhala mocheso ho fihlella ho lemoha sebaka se selelele ho fihlela ho 600 km, tse khonang ho thibela lipheo tsa Mach 20.

6. Mekhoa e mene ea Bohlokoa ea ho Khetha Molekane oa Tlhahiso ea PCB

• Litifikeiti tsa Sesole le ho Latela Melao: MIL-PRF-31032, ITAR (US), GOST-R (Russia), le litifikeiti tse ling li netefatsa bokhoni ba ho tlisa thepa lefatšeng ka bophara.
• Litšebeletso tsa ho Qetela: Ho tloha ho ketsiso ea motlakase (mohlala, HFSS) ho ea ho prototyping e potlakileng (ho fetola lihora tse 48) le taolo e matla ea botsitso ba sehlopha.
• Pokello e Akaretsang ea Lintho: E koahelang PTFE, li-laminate tse tletseng letsopa, metsoako e tenyetsehang le e thata ho fihlela litlhoko tse fapaneng tsa moralo.
• Lekunutu le Tšireletso ea Ketane ea Phepelo: Ho latela NIST 800-171, ho tšehetsa tlhahiso ea lehae le liketane tsa phepelo tse tsitsitseng har'a lithibelo tsa lipolotiki tsa naha.

7. Mekhoa ea Nakong e Tlang: Matlalo a Bohlale le Kopanyo ea Mesebetsi e Mengata

Li-PCB tse nang le mekhahlelo li ntse li fetoha ho tloha ho li-module tse ikemetseng ho ea ho "matlalo a bohlale" - li-antenna tse kentsoeng ka kotloloho holim'a lifofane kapa libaka tsa likepe. Hammoho le li-algorithms tsa beamforming tse tsamaisoang ke AI, litsamaiso tsena li fana ka tšireletso e se nang sekoli ea tlhokomelo ea 360°. Phetoho ena e hloka meralo ea PCB e tenyetsehang haholo le ntlafatso ea fisiks e mengata, e leng se thehileng motheo bakeng sa puisano ea 6G le libetsa tsa matla a tataisoang.

8. Ho Fumana Monyetla oa Theknoloji ho Qala ka Bokhabane ba PCB

Tšireletsong ea moea, phapang ea tieho ea nanosecond e le 'ngoe e ka khetholla katleho kapa ho hloleha ha ho thibela. Joaloka mofani ea nang le boiphihlelo oa li-PCB tsa sehlopha sa sesole ea nang le boiphihlelo ba lilemo tse fetang 20, re fana ka:

• Litlhahlobo tsa moralo tsa mahala ho ntlafatsa meralo ea meralo e arotsoeng ka mekhahlelo le ho khoneha ha tlhahiso
• Litharollo tsa PCB tse thatafalitsoeng ke mahlaseli bakeng sa libaka tsa ntoa tsa motlakase tse nang le matla a mangata
• Karabelo ea tšohanyetso ea lihora tse 72 ho netefatsa hore merero ea bohlokoa e tla fanoa ka tieho e sa feleng