Umgomo Wezokuxhumana Nezesekeli,
Ungakuthola kanjani kangcono futhi udlulise amasiginali we-3G / 4G Signal Report Amplifiers?
Iwebhusayithi:https://www.lintratek.com/
Okokuqala, isimiso se-antenna:
1.1 Ukuchazwa kwe-antenna:
Idivaysi engakhanyisa ngempumelelo amagagasi e-electromagnetic endaweni ethile esikhaleni noma angathola ngempumelelo amagagasi e-electromagnetic kusuka endaweni ethile esikhaleni.
1.2 Imisebenzi ye-Antenna:
Ukuguqulwa kwamandla e-Ø - Ukuguqulwa kwe-wave eqondisiwe kanye ne-wave yamahhala yesikhala; Imisebe eqondile (ukwamukela) - inokuqondiswa okuthile.
1.3 Isimiso semisebe ye-Antenna:
1.4 Amapharamitha Antenna
Ipharamitha yokukhishwa kwemisebe
Ø Ingxenye yamandla we-WOW WEAM WEAM, ngaphambili kwesilinganiso sangemuva;
Imodi ye-Polarization, ukucwaswa kwe-cross polarization;
Ø Diresticantoctor, inzuzo ye-antenna;
Ø I-lobe eyinhloko, i-lobe yesibili, ukugcwala kwe-sidelobe, ukugcwaliswa kwe-zero, iBeam Downstil ...
Ipharamitha yokujikeleza
I-Voltage Stage Wave Ratio VSWR, Ukuboniswa Okuhlelekile kwe-γ, ukubuyisa ukulahleka RL;
Ø Ukufakwa kwe-Implance Zin, ukulahleka kokuhambisa i-TL;
Ukuhlukaniswa kwe-ISO;
Ø Paint Order Order Order Intermodater Pim3 ...
Antenna sidelobe
Ububanzi be-Beam Wound
Phezu kwesilinganiso emuva: Icacisa isilinganiso samandla asatshalaliswa phambili kwi-antenna namandla angemuva abuyiselwe emuva ku- ± 30 °.
Ubudlelwano phakathi kwenzuzo nosayizi we-antenna noBeamwidth
Ukuthopha "iTire", okugxile kakhulu kusiginali, kuphakama inzuzo, kukhule ngosayizi we-antenna, kanye nomzimba omncane;
Amaphuzu ambalwa asemqoka wenzuzo ye-antenna:
I-antenna iyithuluzi elingenamqondo futhi alikwazi ukukhiqiza amandla. I-Antenna inzuzo kumane nje yikhono lokugxilisa amandla ngempumelelo ukuqhakaza noma ukuthola amagagasi e-electromagnetic ngendlela ethile.
Ukuzuzwa kwe-antenna kukhiqizwa yi-supperition of vibrators. Lapho kuphakama inzuzo, isikhathi eside ubude be-antenna. Khulisa inzuzo nge-3DB bese uphindwe kabili ivolumu.
Lapho kuphakama inzuzo ye-antenna, okungcono kakhulu, okugxile kakhulu kwamandla, kanye ne-lobe emncane.
1.5 Amapharamitha Radiation
I-Polarization: Kubhekiswa ku-trajectory noma ukuguqulwa kwe-vector kagesi esendaweni.
1.6 Amapharamitha Circuit
Ukulahlekelwa Ukulahleka
Imikhiqizo emibili, ye-antenna
2.1 Indlela ye-Antenna Naming:
Izigaba Ze-Antenna: Odp (Outdoor Direction Plate Antenna), OOOOR (Outdoor Omnidirectional Antenna), OCE (Outdoor Ouling Antenna), OCA (Outdoor Bagiling Antenna), OCA (Outdoor Yagi Antenna), OCA (Outdoor Yagi Antenna), OCA (Outdoor Yagi Antenna), OCA (Outdoor Yagi udonga lwalukhuphuka) njalonjalo.
Half Power Angle: 032,065,090,105,105,360 (Isiteshi Stonti Antenna) 0,030,040,05050,060,05050,20,160,160,160,360,120,160,360,120,160,360,120,160,360,120,160,360
Imodi ye-Polarization: R (Holarization Dual), V (Isifo Single)
Inzuzo: inani eliphakeme yi-21DBI ngokuya ngenani langempela
Izinhlobo ezihlangene: D (inhloko yeNhloko), N (N-Type Head), s (inhloko ye-SMA), T (TNC Head) nokunye
Imvamisa ye-Frequency Band:
Ikhodi ecacisiwe: Izinhlamvu zaseRoma zibonisa isizukulwane somkhiqizo. Izinhlamvu ezilandelayo nezinombolo zibonisa i-angle ye-dip, ukwakheka, nolunye ulwazi. Uhlobo lwe-F; V Ukulawulwa kukagesi; Ukushintshwa kukagesi kude kweRV
2.2 Isisekelo se-Antenna
I-Omnidirectional Antenna ntamba-imvamisa antenna
I-antenna yemvamisa ezintathu
Uphahla lwe-Antenna
Udonga lubekwe eceleni
I-yagi antenna
I-Antenna yegridi
I-Broadband Omnidirectional Antenna Log-Pervenic Platen Plate I-Antenna
3.1 isihlukanisi samandla
I-Power Divider iyithuluzi elihlukanisa amandla wesiginali esisodwa sokuphuma emikhawulweni emibili noma ngaphezulu. Empeleni kuyisiguquli sokuphazamiseka.
Ø Ngabe imali yamandla ingahle ibuyiselwe emuva esikhundleni se-combiner?
Lapho isetshenziswa njenge-synthesizer, ayikudinga nje kuphela okudinga ukwahlukaniswa okuphezulu, isilinganiso esiphakeme sama-wave, kepha futhi sigxile kwisidingo sokumelana namandla aphezulu. Uma kucatshangelwa ukuthi amachweba okuphuma we-cavity power splitter evame ukusetshenziswa ayihambelani, igagasi elikhulu lokuma; Ngenxa yokumelana kwamandla okuphansi kwe-microSTRIP Power splitter, asikukhuthazi ukusebenzisa i-Power Splitter ukuze ungene esikhundleni se-combiner.
I-Cavity Power Divider
Ezine, isingeniso se-coupler
4.1 coupler
Ø Coupler uhlobo lwengxenye esabalalisa amandla wesiginali yokufaka ngensimu kagesi kanye nokuhlanganiswa kwe-magnetic field ukuze ube yingxenye yokuphuma kokugcina, kanye nokunye okukhishwe kokuphela kokuqeda ukuqeda ukusatshalaliswa kwamandla.
Ukusatshalaliswa kwamandla kwe-coupler akuhlukaniswe ngokulinganayo. Eyaziwa nangokuthi i-Power Sampler.
Coupler eqondayo
Izithandani eziqondisayo zivame ukusetshenziswa ngokugeleza kokugeleza okucacisiwe kwamasignali we-microwave wesampula, inhloso enkulu ukuhlukanisa nokuhlukanisa isiginali, noma uhlukanise ukuxuba amasiginali ahlukene, lapho abakhothayo bangaphakathi, izithandani eziqondisayo zivame ukuba inethiwekhi yechweba elinamachweba amane.
I-Cavity Coupler
Izici: Ukufaka amandla aphezulu, ukusebenza okuphansi kokulahlekelwa.
Isizathu:
1
2
3. Ivolumu enkulu ye-cavity, ukuncipha okusheshayo kokushisa. Melana namandla aphezulu.
I-Attenuator
Ø I-attenuator iyinto yokubuyisa ezimbili
Abahlinzeki abasetshenziswa kakhulu bangama-acteretors angena.
I-attenuator ye-coaxial imvamisa isetshenziswa ubunjiniyela, okubandakanya inethiwekhi ye- "π" noma "t" attenuation.
Abakwa-Coaxial ActEnuators bavame ukuba nezinhlobo ezimbili ze-actenocators ezihleliwe neziguqukayo.
Ø Abahlinzeki basetshenziselwa ikakhulukazi ukulawula amandla okuhambisa amasiginali we-microwave ohlelweni lokutholwa futhi basebenzise ububanzi obunamandla bokulinganisa kwesiginali, njengamamitha ama-powerrum, ama-amplifiers, abamukeli, njll.
Iwebhusayithi:https://www.lintratek.com/
#Amplifier 4g #Ukuphindaphinda 4g
衰减器
Ø 衰减器是二端口互易元件
Ø 衰减器最常用的是吸收式衰减器.
Ø 工程中通常使用的是同轴型衰减器, 由 "π" 型或 "t" 型衰减网络组成.
Ø 同轴衰减器通常有固定及可变衰减两种.
Ø 衰减器主要用于检测系统中控制微波信号传输能量, 消耗超额能量, ②, 诸如功率计, 频谱分析仪, 放大器, 接收器等.
Isikhathi Seposi: Jan-18-2024