Hauv RF thiab microwave systems, cov teeb liab xa tawm thiab kev sib txuas yog qhov yuav tsum tau ua.Fais fab Splitters thiab Power Combinersyog cov khoom tseem ceeb uas muaj lub luag haujlwm rau cov haujlwm no -xws li faib ib lub teeb liab mus rau ntau txoj hauv kev lossis sib txuas ntau lub teeb liab rau hauv ib qho kev tso tawm.
Thaum lub sij hawm kev koom ua ke thiab kev sim, cov engineers feem ntau ntsib cov teeb meem hauv kev xaiv cov cuab yeej tsim nyog thiab ua tiav qis - poob, siab - cais tawm cov teeb liab nyob rau hauv qhov txwv PCB qhov chaw.Qhov kev ua tau zoo ntawm cov cuab yeej no feem ntau yog ntsuas los ntawm ntau qhov tseem ceeb:Insertion poob, rho tawm, amplitude tshuav nyiaj li cas, theem tshuav nyiaj li cas, thiab VSWR. Cov kev ntsuas no ncaj qha txiav txim siab lub teeb liab zoo ntawm RF systems.
Pain Point 1: Tsawg PCB Chaw Yuav Tsum Tau Siab -Kev rho tawm, qis-Kev faib tawm poob
Hom Scenario:Nyob rau hauv lub hauv paus chaw nres tsheb los yog radar systems, ib lub zos oscillator (LO) teeb liab feem ntau yuav tsum tau muab faib mus rau ntau yam raws. Engineers yuav tsum nrhiav kev daws teeb meemnruj PCB layoutsthaum tseem muabKev ua haujlwm dav dav, kev sib cais siab, thiab SMT kev sib raug zoo.
Kev daws: SHINHOM muab2-txoj kev, 3-txoj kev, thiab 4-txoj kev Fais fab Splitters / Combiners, npog ntau zaus los ntawmDC rau 6800 MHz, hauvcompact SMT pob khoomuas txuag PCB chaw.
Cov kev ua haujlwm tseem ceeb muaj xws li:
- Insertion poob:tsawg li 0.25 dB (2-txoj kev)
- Muab cais nyob ib leeg:mus txog 30 dB
- Amplitude balance:± 0.01 dB
- Phase balance:0.2 degree
Cov kev qhia tshwj xeeb no ua kom muaj txiaj ntsig zoo heev -channel teeb liab sib xws thiab txhim khu kev qha- qib kev ua haujlwm.
Pain Point 2: Kev kuaj kuaj yuav tsum muaj kev dav dav, yoog raws kev faib tawm thiab sib txuas
Hom Scenario: Hauv chav kuaj, cov kws tsim khoom siv spectrum analyzers lossis cov teeb liab generators rau ntau-channel kuaj, lossis sib txuas ntau lub cim rau kev tshuaj xyuas. Qhov no yuav tsum tau splitter / combiner pab kiag li lawm los npog ntau zaus, nrog kev ruaj khov thiab txhim khu kev qha thiab kev sib txuas yooj yim.
Kev daws:Cov koob no nta ultra- kev ua haujlwm dav dav los ntawm DC mus rau 6800MHz, ua rau nws haum rau kev siv dav dav - lub hom phiaj kev xav tau. Lub pob SMT compact thiab tus qauv 50Ω impedance kuj pab txhawb kev sib koom ua ke yooj yim rau hauv cov khoom sib tw los yog kev ntsuam xyuas boards.
Kev xaiv tseem ceeb rau RF Fais Fab Splitters/Combiners
Thaum xaiv RF Power Splitters lossis Combiners, cov ntsiab lus hauv qab no yuav tsum tau txiav txim siab:
| Parameter | Kev piav qhia | Kev cuam tshuam |
|---|---|---|
| Ntau zaus | Kev khiav hauj lwm zaus band txhawb nqa los ntawm lub cuab yeej, los ntawm qhov tsawg kawg nkaus mus rau ntau zaus. | Txiav txim siab siv cov xwm txheej; qhov kev xaiv thawj zaug. |
| Insertion Loss | Lub zog poob ntawm lub teeb liab dhau los ntawm lub cuab yeej; qis tus nqi zoo dua. | cuam tshuam qhov system nce thiab kev ua haujlwm nrov nrov. |
| Muab cais nyob ib leeg | Qib ntawm cov teeb liab sib cais ntawm cov chaw nres nkoj tso zis; siab dua yog zoo dua. | cuam tshuam channel-rau-channel crosstalk thiab teeb liab kev ncaj ncees. |
| Amplitude / Phase Balance | Kev sib txuam ntawm cov teeb liab amplitude thiab theem thoob plaws txhua qhov chaw tso zis. | Tseem ceeb heev rau phased-array systems thiab multi-channel receivers. |
Cov ntsiab lus
RF Fais Fab Splitters thiab Fais Fab Combiners tej zaum yuav yog cov khoom me me, tab sis lawv ua lub luag haujlwm tseem ceeb xws lichoj ntawm RF pem hauv ntej - kawg thiab rov qab - kawg ua tshuab. Txawm hais tias nyob rau hauv ntau-channel xa mus rau kev sib txuas lus hauv paus chaw nres tsheb lossis ntau-channel ntsuas hauv kev sim kuaj, lawv qhov kev ua tau zoo ncaj qha txiav txim siab tag nrho cov teeb liab zoo thiab ruaj khov.
Thaum xaiv cov khoom siv no, engineers yuav tsum ua qhov tseem ceeb ntawm qhov tseem ceeb xws liInsertion poob, rho tawm, amplitude tshuav nyiaj li cas, thiab theem tshuav nyiaj li cas, kom ntseeg tau tias muaj kev sib raug zoo nrog kev ua haujlwm ntau zaus thiab qhov system architecture. Kev xaiv kom raug pab kom ua tiav qhov poob qis dua, kev sib raug zoo dua channel, thiab txhim kho kev ntseeg siab hauv ob qho tib si kev sib txuas lus thiab kev xeem ntawv.
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