Shenzhen MATCHINGIC Technology Co., Ltd: Koj tus kws tshaj lij Digital Isolators Supplier
Shenzhen MATCHINGIC Technology Co., Ltd tau tsim muaj nyob rau hauv 2010, lub tuam txhab ib txwm ua raws li lub tswv yim ntawm kev txawj ntse yog lub tuam txhab kev muaj nyiaj, nyob rau hauv lub xyoo ntawm kev ua lag luam honed, tsim ib pab pawg neeg ntawm enterprising, innovative neeg ua hauj lwm, thaum expanding nws cov lag luam qhia nyob rau hauv tsev thiab txawv teb chaws, lub tuam txhab txuas ntxiv txhim kho cov txheej txheem kev lag luam sab hauv, txhim kho kev muag khoom thoob ntiaj teb thiab kev ua lag luam, ua raws li cov khoom qub, ua kom cov neeg siv khoom sib sib zog nqus, maj mam tsim nws tus kheej kev lag luam zoo.
Vim Li Cas Xaiv Peb
Cov khoom zoo
Peb cov khoom yog cov khoom zoo thiab ua tau raws li tag nrho cov qauv kev lag luam uas xav tau. Peb siv cov thev naus laus zis thiab cov cuab yeej siv niaj hnub los xyuas kom meej tias peb cov khoom zoo tshaj plaws.
Lub sijhawm hloov pauv sai
Peb muaj cov txheej txheem ntau lawm uas ua kom lub sijhawm hloov pauv sai. Peb tuaj yeem tsim thiab xa tawm sai sai rau cov neeg siv khoom, ua rau lawv xaiv qhov zoo tshaj plaws rau cov haujlwm nrog cov sijhawm kaw.
Pab neeg tshaj lij
Peb muaj ib pab neeg ntawm cov kws tshaj lij kev txawj ntse uas yeej ib txwm npaj los pab nrog txhua yam teeb meem uas cov neeg siv khoom muaj. Lub Hoobkas muab kev txhawb nqa dav dav, suav nrog kev txhawb nqa tsim, xaiv cov khoom lag luam, thiab kev txhawb nqa daim ntawv thov.
Cov kev pabcuam zoo
Peb muab cov kev pabcuam zoo uas ua tau raws li cov qauv kev lag luam siab tshaj plaws. Peb ua raws li kev coj ua zoo tshaj plaws hauv peb cov txheej txheem ua haujlwm thiab ua raws li kev tswj hwm nruj kom ntseeg tau tias peb xa cov txiaj ntsig zoo tshaj plaws rau peb cov neeg siv khoom.
Digital isolators yog cov khoom siv hluav taws xob uas muab hluav taws xob cais tawm ntawm ob lub circuits thaum tso cai rau kev sib txuas lus digital ntawm lawv. Lawv siv cov teeb liab digital es tsis txhob siv cov cim analog los hloov cov ntaub ntawv ntawm cov kab hluav taws xob sib cais, tshem tawm qhov xav tau kev sib txuas ntawm lub cev. Digital isolators muab kev tiv thaiv hluav taws xob nrov, hauv av loops, thiab voltage surge. Lawv feem ntau yog siv rau hauv cov ntawv thov uas yuav tsum tau muaj kev sib cais siab, xws li kev tswj hwm kev lag luam, khoom siv kho mob, thiab hluav taws xob hluav taws xob.
Qhov zoo ntawm Digital Isolators
1. Teeb liab cais:Digital isolators muab cov teeb liab sib cais siab, tshem tawm qhov xav tau ntawm opto-isolators thiab transformers. Qhov no yuav pab txo qhov nyuaj thiab tus nqi ntawm cov circuitry.
2. Tsis muaj suab nrov:Digital isolators tiv thaiv kev cuam tshuam ntawm electromagnetic cuam tshuam (EMI) thiab xov tooj cua zaus cuam tshuam (RFI). Qhov no ua rau lawv zoo tagnrho rau cov ntawv thov uas muaj suab nrov uas yog qhov tseem ceeb.
3. Teeb liab txias:Digital isolators tuaj yeem kho lub teeb liab, tuaj yeem kho cov teeb liab distortion thiab teeb liab attenuation. Qhov no tuaj yeem pab txhim kho lub teeb liab kev ncaj ncees thiab txo qhov yuam kev.
4. Lub zog efficiency:Digital isolators xav tau lub zog me me los ua haujlwm, ua rau lawv zoo tagnrho rau cov ntawv siv hluav taws xob tsawg.
5. Kev ua haujlwm siab ceev:Digital isolators tuaj yeem ua haujlwm ntawm kev kub ceev, ua rau lawv zoo tagnrho rau kev sib txuas lus ceev ceev, cov suab digital, thiab lwm yam kev siv uas xav tau cov ntaub ntawv xa mus sai.
6. Me me thiab daim ntawv foos:Digital isolators muaj nyob rau hauv qhov loj me, ua rau lawv zoo tagnrho rau qhov chaw txwv. Lawv kuj feem ntau muaj daim ntawv me me dua li opto-isolators thiab transformers, uas tuaj yeem ua tau zoo dua hauv qee qhov qauv tsim.
7. Tus nqi qis:Digital isolators feem ntau tsis tshua kim dua li opto-isolators thiab transformers, ua rau lawv muaj txiaj ntsig zoo rau ntau daim ntawv thov.
Kev siv cov Digital Isolators
Digital isolators tau siv dav hauv cov khoom siv uas xav tau kev rwb thaiv tsev hauv hluav taws xob circuits. Ua ntej ntawm tag nrho cov, lawv yog siv nyob rau hauv industrial machinery qhov twg muaj loj voltage sib txawv ntawm cov khoom siv. Cov khoom siv hluav taws xob uas xav tau cov hluav taws xob loj lossis lub cev muaj zog loj thiab qhov chaw ua haujlwm nrog cov hluav taws xob me me nyob ze ua ke thiab yuav tsum tau muab cais tawm qhov twg muaj qhov sib txawv loj.
Qhov no yog los tiv thaiv kev puas tsuaj los ntawm kev siv hluav taws xob siab rau qhov chaw uas ua haujlwm ntawm qhov hluav taws xob tsawg. Tom ntej no, nws kuj tseem siv rau cov khoom siv kho mob xws li X-rays thiab AEDs. Cov khoom siv kho mob no feem ntau siv nrog ob txhais tes, thiab lub hom phiaj yog los tiv thaiv hluav taws xob los ntawm kev ntws tawm mus rau sab nraud thiab ua rau muaj hluav taws xob poob siab.
Hauv tsheb, cov tshuab cais tawm digital yog siv los tiv thaiv ECUs thiab lwm yam khoom siv hauv tsheb hauv cov tsheb uas siv cov khoom siv hluav taws xob siab, xws li tsheb hluav taws xob thiab tsheb hybrid.
Vim li cas thiaj siv Digital Isolator
Digital isolators feem ntau siv thaum muaj qhov sib txawv hauv av. Sensor inputs tuaj yeem ua haujlwm ntawm qhov sib txawv ntawm qhov sib txawv, xws li qis li 3 volts txog 48 volts lossis siab dua, thiab lub tshuab cais tawm digital pab muab rau hom kev thov no.
Piv txwv li, yog hais tias lub microprocessor ua hauj lwm ntawm 3.3 volts thiab cov inputs ntawm 24 volts mus rau 48 volts, qhov no yuav ua rau ib tug tseem ceeb muaj peev xwm sib txawv nyob rau hauv av voltages, uas yuav ua kom paub qhov puas voltage theem rau cov khoom tam sim no, skew sensor ntaub ntawv, thiab qhia. yuam kev. Qee hom kev cais tawm yog xav tau los xyuas kom meej. Lub teeb liab sensor feem ntau yog txias los ntawm cov lim dej, tiv thaiv circuits, lub suab nrov, thiab digitized los ntawm ADC. Qhov no yog cov ntaub ntawv teeb liab uas xav tau los ntawm PLC processor ua haujlwm.
Ib tug digital isolator yog siv los tshem tawm cov kev ua yuam kev vim lub voj voog hauv av. Thiab nws yog qhov tsim nyog rau lub tshuab cais tawm kom muaj lub latency qis lossis kev nthuav tawm qeeb, tsis tshua muaj suab nrov, thiab cov ntaub ntawv siab. Raws li qhov tshwm sim, qhov tsawg dua qhov kev cais tawm digital pom rau cov teeb liab tawm tswv yim, qhov zoo dua.
Yuav Ua Li Cas Digital Isolator Ua Haujlwm
Digital isolators ob peb cov ntaub ntawv hla ib qho kev sib cais. Qhov no yog ua tiav los ntawm kev siv lub modulator los xa cov neeg nqa khoom ntau zaus hla lub teeb meem los sawv cev rau lub xeev siab lossis qis digital thiab tsis muaj teeb liab los sawv cev rau lwm lub xeev. Lub receiver demodulates lub teeb liab tom qab lub teeb liab txias txias kom tsim tau ib qho kev sib cais tawm los ntawm ib theem tsis.
Cov kev rho tawm digital siv ib leeg-kawg CMOS lossis TTL logic hloov tshuab. Qhov ntau qhov hluav taws xob ib txwm muaj li ntawm 3 volts mus rau 5.5 volts rau ob qho khoom siv, VCC1 thiab VCC2, txawm tias qee cov khoom siv yuav txhawb nqa cov khoom siv loj dua. Thaum tsim cov digital isolators, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias vim yog ib qho kev tsim qauv tsim, cov kev cais tawm digital tsis ua raws li cov qauv kev sib txuas tshwj xeeb thiab tsuas yog npaj rau kev cais cov kab teeb liab ib leeg xwb.
Ua tib zoo xav txog cov layouts yuav tsum tau siv thaum siv lub tshuab cais tawm digital. Yam tsawg kawg ntawm plaub txheej yuav tsum ua kom tiav qhov qis EMI PCB tsim.
Txheej stacking yuav tsum nyob rau hauv cov nram qab no kev txiav txim los ntawm sab saum toj mus rau hauv qab:
● High-speed teeb liab txheej
● Lub dav hlau hauv av
● Lub dav hlau fais fab
● Tsawg zaus teeb liab txheej
Routing cov kab khiav ceev ntawm cov txheej saum toj kawg nkaus zam kev siv vias thiab kev taw qhia ntawm cov cua inductances thiab tso cai rau kev sib tshuam ntawm kev sib cais thiab cov transmitter thiab receiver circuits ntawm cov ntaub ntawv txuas.
Tso lub dav hlau hauv av nyob ib sab ntawm cov teeb liab siab ceev txheej tsim cov kev tswj xyuas impedance rau kev sib kis lub teeb sib txuas thiab muab txoj hauv kev qis inductance zoo heev rau qhov rov qab tam sim no. Muab cov khoom siv hluav taws xob tso rau ib sab ntawm lub dav hlau hauv av tsim kom muaj kev sib tw ntau dua bypass capacitance. Routing lub qeeb-ceev tswj cov teeb liab nyob rau hauv qab txheej tso cai rau kom yooj yooj yim dua, raws li cov teeb liab lengths feem ntau muaj cov npoo kom zam tsis tu ncua xws li vias.
Yog tias xav tau ib qho khoom siv hluav taws xob ntxiv lossis cov teeb liab txheej, ntxiv lub zog thib ob lossis lub dav hlau hauv av rau pawg kom nws sib luag. Qhov no ua rau qhov thib ob mechanically ruaj khov thiab tiv thaiv nws los ntawm warping. Tsis tas li ntawd, lub zog thiab lub dav hlau hauv av ntawm txhua lub zog hluav taws xob tuaj yeem muab tso ze ua ke, yog li ua kom lub zog ntau dhau bypass capacitance ntau.
Piv nrog rau cov pa optocouplers, cov kev cais tawm digital ua tau zoo dua txog kev nthuav tawm qeeb, cov ntaub ntawv tus nqi, thiab txo suab nrov. Txawm li cas los xij, digital isolators kim dua. Optocouplers feem ntau yog siv los ua cov kev daws teeb meem qis qis thaum cov teeb liab kis tau qeeb. Digital isolators muaj cov nqi qis los ntawm ntau lub tuam txhab, tab sis lawv tsis muaj txiaj ntsig rau PV inverters vim lawv tau tsim nrog cov txheej txheem kev ua haujlwm semiconductor kom ua tiav cov lej suav thiab kev ua haujlwm sib koom ua ke. Cov kev rho tawm digital uas siv cov txheej txheem hlau-oxide-semiconductor (CMOS) tau txais kev muaj koob meej ntawm cov neeg tsim qauv vim yog tus nqi siab ntawm lwm cov thev naus laus zis cais tawm. Nws tso cai rau cov neeg tsim qauv tsim cov nqi qis, kev cog lus, txhim khu kev qha, thiab kev ua haujlwm siab uas siv hluav taws xob tsawg dua li optocouplers. Ntxiv rau lawv hom thiab muaj peev xwm dhau los tam sim no, cov kev cais tawm digital raug nqi raws li daim ntawv thov uas lawv yuav siv.
Nrog rau qhov muaj koob meej loj hlob ntawm cov kev sib cais digital hauv kev lag luam thiab kev siv tsheb, nws tuaj yeem yooj yim xaiv cov cuab yeej zoo tshaj plaws rau koj lub cev los ntawm ntau cov kev xaiv muaj. Ntxiv rau qhov kev sib tw no, feem ntau cov kev rho tawm digital yog tsim los nrog cov kev cai tshwj xeeb thiab cov ntawv thov hauv siab, ua rau koj xaiv los ntawm qhov tsis muaj qhov tshwj xeeb thiab cov yam ntxwv kom ntseeg tau tias cov cuab yeej koj tau xaiv yuav ua tau raws li koj qhov kev xav tau.
Kauj Ruam 1: Nkag siab koj cov kev cai cais tawm
Thawj kauj ruam yog kom nkag siab txog koj lub kaw lus cov kev cai cais tawm. Thaum cov kev xav tau qee zaum tuaj yeem xav tias zoo li daim ntawv qhib-kawg, pib, xav txog cov kev cai no ntsig txog kev tsim kev sib cais:
- Isolation withstand voltage (VISO). Puas yog kev cais tawm yooj yim thiab Tsawg dua lossis sib npaug rau 3,000 VRMS txaus rau koj tus qauv tsim, lossis koj puas xav tau ntau dua lossis sib npaug rau 5,000 VRMS? Cov kev cai tswjfwm feem ntau hais txog qhov kev qhia tshwj xeeb no, uas sawv cev rau qhov ntsuas hluav taws xob cais tawm tuaj yeem ua haujlwm yam tsis muaj kev puas tsuaj rau tsawg kawg 60 s.
- Ua haujlwm voltage (VIOWM). Dab tsi yog qhov sib xws voltage uas koj qhov kev sib cais yuav tsum tau tiv taus rau lub neej ntawm cov khoom? Cov yam ntxwv xws li pob loj, qib kev ua qias tuaj thiab cov khoom siv tuaj yeem cuam tshuam rau kev ua haujlwm ntawm cov khoom siv.
uts. - Surge Isolation Rating (VIOSM). Does the design require reinforced isolation? If so, you will need an isolator that can withstand >10-kV surge pulses.
- Creepage / clearance. Puas yog 4-mm creepage/clearance txaus, los yog koj tus qauv system xav tau 8 hli lossis siab dua? Qhov kev qhia tshwj xeeb no yuav raug txiav txim los ntawm cov pob cais tawm thiab cov kab hlau lead.
- Common-mode transient immunity (CMTI). Puas yog lub kaw lus puas nyob hauv qhov chaw nrov nrov xws li lub cev muaj zog lossis lub hnub ci inverters, qhov twg cov ntaub ntawv kev ncaj ncees yog qhov tseem ceeb thiab qee qhov yuam kev me ntsis tuaj yeem ua rau muaj kev phom sij luv luv? Yog tias muaj, qhov ntsuas CMTI siab yuav yog qhov tseem ceeb rau koj tus neeg cais tawm digital.
- Kev siv fais fab. Yog tag nrho lub zog siv hluav taws xob yog qhov tseem ceeb tshwj xeeb rau koj daim ntawv thov; Piv txwv li, yog lub kaw lus 4- rau 20-mA voj-powered los yog roj teeb-powered? Yog tias muaj, xav txog cov kev siv ib-channel tam sim no ntawm txhua lub cuab yeej.
- Cov ntaub ntawv tus nqi. Dab tsi cov ntaub ntawv tus nqi koj xav tau kev sib txuas lus interface? Puas yog koj khiav qeeb universal asynchronous receiver transmitter speeds lossis high-speed Ntau dua lossis sib npaug rau 100-Mbps cov ntaub ntawv raws tu qauv? Hauv qhov no, koj tuaj yeem xav txog txhua lub cuab yeej cov ntaub ntawv siab tshaj plaws.
Kauj ruam ob: Xaiv lub pob zoo
Thaum koj tau txo qis koj cov kev xav tau ntawm kev cais tawm digital, cov kauj ruam tom ntej yog xav txog cov kev xaiv pob sib txawv. Cov pob khoom tuaj yeem ua rau muaj qhov sib txawv loj thaum nws los txog rau kev sib cais, vim qhov loj thiab cov yam ntxwv ntawm lub pob cuam tshuam ncaj qha rau lub cuab yeej muaj peev xwm ua haujlwm siab. Qee qhov kev xav tau tib yam hauv cov npe saum toj no (creepage, clearance, VIOWM, VIOSM, VISO) kuj cuam tshuam rau kev xaiv pob. Ib pob loj dua nrog qhov dav dav thiab kev tshem tawm yuav tso cai rau kev sib cais ntau dua qhov tshwj xeeb. Yog tias koj tuaj yeem ua tau raws li koj qhov kev tswj hwm cov cai nrog rau kev xaiv pob me me, ib pob me me yuav pab txuag tau ob qho tib si ntawm lub rooj tsavxwm thiab tus nqi. Tsis tas li ntawd, koj yuav xav xav txog ntau npaum li cas ntawm kev sib cais ntawm koj qhov kev sib txuas lus interface yuav tsum tau txij li cov channel ntau dua suav cov hom pob.
Kauj Ruam 3: Txiav txim siab channel suav thiab teeb tsa
Tom qab cov kev qhia tshwj xeeb thiab cov kev xav tau thiab ntim khoom, tsuas muaj ob peb txoj hauv kev los xav txog. Kev txiav txim siab pes tsawg txoj kev sib cais koj xav tau rau koj cov teeb liab thiab cov kev taw qhia twg txhua lub teeb liab yuav mus yuav pab koj txiav txim siab koj channel suav thiab kev teeb tsa channel. Thiab xav txog qhov koj nyiam tshaj tawm lub xeev (lossis lub xeev tsis muaj kev nyab xeeb) yuav pab koj txiav txim siab lub xeev predefined ntawm cov zis tus pin (txawm siab lossis qis) thaum cov tswv yim channel ntawm lub tshuab cais tawm tsis muaj zog lossis cov pins sab laug. Cov kev xaiv yuav muaj rau ob qho tib si default-high thiab default-low outp
Classification ntawm Digital Isolator
Optical cais
Optical coupling thev naus laus zis yog kev sib kis ntawm lub teeb ntawm lub pob tshab insulating txheej txheej (piv txwv li huab cua sib txawv) kom ua tiav kev sib cais. Optical coupler feem ntau muaj peb ntu: Lub teeb emission, teeb liab amplification, thiab lub teeb txais tos. Lub input hluav taws xob teeb liab tsav lub LED kom emit lub teeb ntawm ib tug tej yam wavelength, uas tau txais los ntawm lub photodetector los tsim ib tug photocurrent. Nws yog ntxiv amplified thiab ces tso zis. Qhov no ua tiav qhov kev hloov hluav taws xob-kho qhov muag-hluav taws xob, yog li ua lub luag haujlwm ntawm kev tawm tswv yim, tso tawm, thiab kev sib cais. Lub ntsiab kom zoo dua ntawm optical coupling technology yog tias lub teeb muaj kev tiv thaiv kab mob rau sab nraud electrons lossis magnetic teb, thiab optical coupling technology tso cai rau cov ntaub ntawv txuas mus tas li.
Capacitance cais
Capacitive coupling thev naus laus zis siv cov hluav taws xob hloov pauv tas li ntawm cov txheej txheem sib cais kom xa cov ntaub ntawv. Cov khoom nruab nrab ntawm daim hlau ntawm txhua lub capacitor yog dielectric isolator uas tsim cov txheej txheem cais. Qhov loj ntawm daim hlau, qhov sib nrug ntawm daim hlau, thiab cov khoom siv dielectric tag nrho txiav txim siab qhov kev ua tau zoo ntawm hluav taws xob.
Qhov zoo ntawm kev siv cov txheej txheem capacitive cais tawm yog qhov ua tau zoo ntawm qhov loj thiab lub zog xa mus, nrog rau kev tiv thaiv kab mob sib nqus. Qhov tsis zoo ntawm capacitive coupling thev naus laus zis yog tias nws tsis muaj qhov sib txawv ntawm cov teeb liab thiab lub suab nrov, thiab cov teeb liab sib koom tib lub kis tau tus mob channel, uas txawv ntawm lub transformer. Qhov no yuav tsum tau lub teeb liab zaus ntau dua li qhov xav tau zaus ntawm lub suab nrov kom qhov kev sib cais txheej capacitance nthuav tawm qhov impedance qis ntawm lub teeb liab thiab lub siab impedance ntawm lub suab nrov.
Electromagnetic cais
Inductive coupling thev naus laus zis siv qhov hloov pauv magnetic teb ntawm ob lub coils los sib txuas lus ntawm ib txheej cais. Feem ntau cov piv txwv yog transformer, uas nws magnetic teb nyob ntawm lub coil qauv (tus naj npawb ntawm lem / unit ntev) ntawm lub hauv paus thiab theem nrab windings, lub dielectric tsis tu ncua ntawm cov hlau nplaum core, thiab tam sim no amplitude.
Kev Lag Luam Digital Isolator: Segment Txheej txheem cej luam
Giant magnetoresistive los tswj kev lag luam vim nws qhov tseeb tshaj
Raws li qhov tshwm sim ntawm lawv qhov kev nkag siab zoo thiab qhov tseeb, cov kev sib cais digital raws li GMR kev rho tawm thev naus laus zis tau loj hlob sai hauv ntu no. Ntxiv nrog rau qhov kev hloov pauv ceev ceev txog li 150 MBPS, GMR kev rho tawm thev naus laus zis kuj tseem muaj qhov qeeb qeeb ntawm 10 mus rau 15 nanoseconds. Cov magnetoresistive-based digital isolators tau nrov zuj zus vim lawv lub neej txee ntev thiab cov ntaub ntawv uas lawv tau tsim los ntawm.
Nrog nce kev thov rau kev lag luam machinery, industrial qeb los ua lag luam
Hauv lub sijhawm kwv yees, ntu kev lag luam tau tuav lub lag luam loj tshaj plaws, thiab nws tau cia siab tias nws yuav txuas ntxiv tswj kev lag luam thaum lub sijhawm kwv yees. Kev lag luam machinery yuav tsum muaj xws li digital isolators los tiv thaiv cov neeg siv thiab cov khoom siv hauv av los ntawm cov voj voog hauv av thiab qhov tsis sib xws, nrog rau cov suab nrov thiab qhov hloov pauv. Kev siv cov tshuab cais tawm no tseem ua rau cov tshuab ua lag luam thiab nws cov neeg ua haujlwm muaj kev nyab xeeb. Kev lag luam digital isolator rau kev lag luam ntsug tau loj hlob raws li kev lag luam automation kev daws teeb meem thiab cov tshuab tau siv los txo qis kev lag luam tsis ncaj thiab nce kev ua haujlwm tau txais txiaj ntsig. Lub tshuab hluav taws xob digital tiv thaiv cov tsav tsheb hluav taws xob los ntawm lub zog poob siab thaum tsav hluav taws xob fais fab rau lawv.
Shenzhen MATCHINGIC Technology Co., Ltd tau tsim muaj nyob rau hauv 2010, lub tuam txhab ib txwm ua raws li lub tswv yim ntawm kev txawj ntse yog lub tuam txhab kev muaj nyiaj, nyob rau hauv lub xyoo ntawm kev ua lag luam honed, tsim ib pab pawg neeg ntawm enterprising, innovative neeg ua hauj lwm, thaum expanding nws cov lag luam qhia nyob rau hauv tsev thiab txawv teb chaws, lub tuam txhab txuas ntxiv txhim kho cov txheej txheem kev lag luam sab hauv, txhim kho kev muag khoom thoob ntiaj teb thiab kev ua lag luam, ua raws li cov khoom qub, ua kom cov neeg siv khoom sib sib zog nqus, maj mam tsim nws tus kheej kev lag luam zoo.
FAQ
Peb yog cov kws tshaj lij digital isolators tuam ntxhab thiab cov muag khoom hauv Suav teb, tshwj xeeb hauv kev muab cov khoom lag luam zoo nrog tus nqi qis. Yog hais tias koj yuav mus yuav pheej yig digital isolators hauv Tshuag, txais tos kom tau txais pricelist thiab dawb qauv los ntawm peb lub hoobkas.