Lub hauv paus ntsiab lus ntawm kev sib txuas lus kav hlau txais xov thiab cov khoom siv,
Yuav ua li cas kom tau txais txiaj ntsig zoo thiab kis cov cim rau 3G / 4G teeb liab rov ua dua tshiab illifiers?
Lub Vev Xaib:https://www.lintratek.com/
Ua ntej, lub xub thawj tes haujlwm:
1.1 Lub ntsiab txhais ntawm tus kav hlau txais xov:
Ib lub cuab yeej uas tuaj yeem ua rau muaj txiaj ntsig zoo hluav taws xob hauv hluav taws xob hauv qhov chaw lossis tuaj yeem tau txais cov hluav taws xob hauv hluav taws xob tshwj xeeb hauv qhov chaw.
1.2 Kav hlau txais xov ua haujlwm:
Zog hloov dua siab tshiab - hloov pauv kev yoj thiab chaw nres tsheb dawb; Directional hluav taws xob (txais tos) - muaj qee qhov tsis raws cai.
1.3 kav hlau txais xov hluav taws xob hluav taws xob hauv hluav taws xob hauv paus:
1.4 Kav hlau txais xov
Hluav taws xob parameter
Ø Ib Nrab Hluav Taws Xob Hluav Taws Xob Dav Dav, Pem Hauv Ntej kom rov sib piv;
Ø Hom Polarization, Hla Kev Sib Tw Polarization;
Ø Cov Qauv Ncaj Ncees, Kav Hlau Kav Hlau;
Ø Main Liage, theem nrab lober, sidelebe surression, xoom sau, nqaj downtert ...
Circuit Coameter
Voltage sawv YOJ VEEM sib piv cov vswr, tiv thaiv coefficient γ, rov qab poob rl;
Cov tswv yim impedance zin, kis tau los ntawm tl;
Kev rho tawm ISO;
Passion Peb Order Ordymodulation Pim3 ...
Tus kav hlau txais xov
Kab rov tav nqaj dav
Pem hauv ntej kom rov qab piv: Qhia cov lus piv rau pem hauv ntej tshaj tawm rau lub kav hlau txais xov rau lub zog hluav taws xob rau lub zog hluav taws xob hauv ± 30 °.
Kev sib txheeb ntawm qhov nce thiab kav hlau txais xov xwm thiab beamwidth
Flattening lub "log", ntau lub teeb liab, ntau dua qhov nce, cov kav hlau txais xov, thiab lub nqaim ntawm cov beamwidth;
Ob peb lub ntsiab lus tseem ceeb ntawm lub kav hlau txais xov:
Tus kav hlau txais xov yog lub cuab yeej passive thiab tsis tuaj yeem tsim lub zog. Kav hlau txais xov tau yog muaj peev xwm ua kom muaj peev xwm ua kom muaj zog rau lub zog kom tawg lossis tau txais hluav taws xob tsis yog qhov tseeb.
Ua kom muaj qhov nce ntawm lub kav hlau txais xov yog tsim los ntawm cov superposition ntawm cov vibrators. Qhov nce siab dua, ntev dua cov kav hlau txais xov ntev. Nce qhov nce los ntawm 3dB thiab ob chav ntim.
Lub siab dua tus kav hlau txais xov tau txais, qhov zoo dua qhov ncaj qha, muaj ntau concentrated lub zog, thiab tus nqaim lub lobe.
1.5 hluav taws xob tsis sib haum
Polarization: yog hais txog lub trajectory lossis hloov hluav taws xob vector nyob rau hauv qhov chaw.
1.6 Circuit Coameters
Rov qab poob
Ob, cov kav hlau txais xov
2.1 Tus kav hlau txais xov Naming Txoj Kev:
Cov kav hlau txais xov hluav taws xob: ODP (OCA (sab nraum zoov tus kav hlau txais xov), ORO (sab nraum zoov phab hlau txais xov mounted kav hlau txais xov) thiab Yog li ntawd.
Ib nrab lub kaum ntse ntse: 032,065,105,360 (Base Stiller kav hlau txais xov) 020,075,090,160,160,160,160,160,160,160 (Kev Kho Mob Tus Kav Hlau)
Polarization hom: r (Dual polarization), v (ib leeg polarization)
Nce: tus nqi siab tshaj plaws yog 21dbi raws li tus nqi tiag tiag
Pob qij txha: d (dec taub hau), n (n-n-this head), s (smws taub hau), t (tnc taub hau) thiab lwm yam
Zaus band:
Cov ntawv sau tshwj xeeb: Cov ntawv Roman qhia cov khoom lag luam. Cov ntawv sau thiab cov lej no qhia txog lub ntsag kaum, cov duab, thiab lwm yam ntaub ntawv. F Hom; V hluav taws xob kev cai; Tej tej thaj chaw deb hluav taws xob taws
2.2 Big Stad Antenna
Omnidirectional kav hlau txais xov hnub-zaus kav hlau txais xov
Tus kav hlau txais xov peb zaus
Qab Nthab Tsho tiv no
Phab Ntsa Mounted Tus kav hlau txais xov
Yagi Antenna
Kav hlau kav hlau kav hlau kav hlau kav hlau
Broadband Omnidirectional Antenna Log-Timeric Artenna Phaj kav hlau txais xov
3.1 Fais Fab Divider
Lub zog hluav taws xob yog lub cuab yeej uas faib lub zog ntawm ib qho khoom tso tawm rau hauv ob lossis ntau cov kev tawm tswv yim. Nws yog qhov tseem ceeb ib tug impedance converter.
Can Puas yuav divider fais fab yuav rov qab hloov cov combiner?
Thaum siv los ua synthesizer, nws tsis tsuas yog yuav tsum muaj kev sib cais siab, qis sawv kev sib piv, tab sis kuj tseem xav txog qhov yuav tsum tau ua kom muaj zog. Xav tias cov zis tawm ntawm cov kab kab noj hniav feem ntau cais cais tsis sib xws, yoj loj; Vim tias lub zog tsis kam ntawm lub zog siv tshuaj nias, peb tsis pom zoo kom siv lub zog fais fab los hloov lub sib txuas.
Cavity Felter Divider
Plaub, Tus Txheej Txheem Coupler
4.1 Coupler
General Coupler yog ib hom kev sib xyaw ua ke uas faib lub zog ntawm cov hluav taws xob txuas ntxiv, thiab cov tso zis sib nqus kom tiav kom tiav lub hwj chim xa tawm.
Ø Lub zog faib ntawm cov coupler tsis sib faib sib raug zoo. Tseem hu ua hluav taws xob samller.
Directional Coupler
Cov kev taw qhia txuas tau siv nrog cov teeb tsa kev tshwj xeeb ntawm cov cim sib txawv, lossis cais cov cim hluav taws xob sib txawv, cov qauv sib txawv feem ntau yog plaub-chaw nres nkoj network.
Kab noj hniav coupler
Nta: Cov kabmob muaj zog loj, tsis muaj kev poob qis.
Qhov laj thawj:
1. Cov txheej txheem muaj huab cua, thiab hauv cov txheej txheem xa rov qab, cov xov xwm tsis zoo tshwm sim los ntawm huab cua nruab nrab yog qhov qis dua.
2. Lub coupled xaim siv yog feem ntau ua los ntawm tus saib xyuas nrog cov nyiaj hluav taws xob zoo (xws li nyiaj plating ntawm lub tooj liab saum npoo), thiab tus neeg saib xyuas uas poob yog qhov tsis zoo.
3. Cov kab ke loj ntim, kub kub ua kom nrawm. Withst nrho cov zog loj.
Tus qhaib
Ø Tus HosTuator yog ob lub chaw nres nkoj
Feem ntau siv cov omelactators yog nqus cov omenators.
Lub coaxial hostenator feem ntau yog siv nyob rau hauv engineering, muaj "Π" Π "lossis" T "AetGuation Network.
Coaxial delenuators feem ntau muaj ob hom kev ruaj khov thiab hloov tau meej meej deluenators.
Ø etelfators feem ntau yog siv los tswj lub zog hloov kho microwave, xws li txuas ntau ntau metres, spectrum anestaly, specifum annifum, springaciers, tau txais, thiab lwm yam.
Lub Vev Xaib:https://www.lintratek.com/
#Amplifier 4g #Rov ua dua tshiab 4g
衰减器
衰减器是二端口互易元件 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.
工程中通常使用的是同轴型衰减器 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.
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, 因而扩展信号测量的动态范围, 诸如功率计, 频谱分析仪, 放大器, 接收器等.
Lub Sijhawm Post: Jan-18-2024