Maitiro Ekuita Yakakwana EMC EMI Analysis

EMI Analysis yekuongorora

Electromagnetic kuenderana (EMC) uye electromagnetic interference (EMI) kuongororwa kwakakosha pakuona kuti mudziyo wako unoshanda nekuvimbika uchisangana nezvinodiwa. Iyi EMC/EMI yekuongorora maitiro inokubatsira kuona uye kugadzirisa nyaya dzinogona kudzikisira mashandiro kana kukanganisa mamwe maturusi. Kutevedzwa kwemitemo kwakakosha, sezvo nyika zhinji dzinoraira EMI kuyedzwa zvigadzirwa zvisati zvapinda mumusika. Kunze kwekuteerera, yakawandisa EMI inogona kuunza njodzi yekuchengetedza, kunyanya mumashandisirwo akakosha semidziyo yekurapa. Kusatevedzera kunogona kukonzera kurasikirwa kwemari, kukundikana kwemishini, kana kukuvadza vanhu. Nzira yakarongeka yeEMC/EMI ongororo inobvumidza iwe kudzikisira njodzi idzi nemazvo.

Zvitsva Zvitsva

  • Dzidza nezvemitemo yeEMC seFCC, CE, neCISPR kuti uve nechokwadi chekuti mudziyo wako unotevera mutemo.

  • Edza matambudziko eEMI nekukurumidza kuti ugadzirise nekukurumidza uye kuchengetedza mari.

  • Shandisa maturusi senge spectrum analyzers uye LISNs kutarisa EMI uye kusangana nemitemo.

  • Ronga EMC panguva yekugadzira kuderedza kupindira uye kuita kuti kuedza kuve nyore.

  • Gara uchienderana nekuchinja kwemitemo uye ubatane nemapoka emaindasitiri kuti udzidze zvakawanda nekuvandudza.

Kugadzirira EMC/EMI Analysis

Kugadzirira EMC/EMI Analysis

Kunzwisisa Mitemo Yekuteerera

Mhedziso yezviyero zvepasirese (FCC, CE, CISPR)

Kuti uve nechokwadi chekuti mudziyo wako unosangana nezvinodiwa, unofanirwa kunzwisisa pasi rose EMC zviyero. Aya mazinga anotsanangura mazinga anogamuchirwa emagetsi emagetsi uye kusadzivirirwa kwemidziyo yemagetsi. Mimwe mitemo inozivikanwa zvikuru inosanganisira:

  • FCC (Federal Communications Commission): Inotonga kutevedzera EMI muUnited States.

  • CE Kumaka: Inoratidza kutevedzera EU Directive 2014/30/EU, iyo inoraira kuwiriraniswa kweEMC zviyero zvemidziyo inotengeswa muEuropean Union.

  • CISPR Mitemo: Yakaiswa muBasic Standards, seCISPR 32, iyo inodudza miganhu pazvinoitwa uye zvinoburitswa nemwaranzi.

Standard

tsananguro

Directive yeEU 2014/30 / EU

Inoda kutevedzwa neyakaenderana EMC zviyero zvemagetsi emidziyo muEU.

IEC 61000

Inovhara kusadzivirirwa zvinodiwa kune zvakawanda zvekutengesa zvigadzirwa.

CIPR 32

Inotsanangura miganhu pazvinoitwa uye zvinoburitswa nemwaranzi.

Indasitiri-chaiyo yekutevedzera zvinodiwa

Maindasitiri akasiyana anotevera chaiwo EMC mazinga ekugadzirisa akasarudzika matambudziko. Semuyenzaniso:

indasitiri

Kudzora Chiremera

Mitemo Yakakosha

Medical mano

Center for Devices and Radiological Health (FDA)

IEC 60601-1-2, AAMI/ANSI/IEC 60601-1-2, ANSI/RESNA WC/Vol. 2-1998, ANSI C63:19:2001

Consumer Electronics

Federal Komisheni Commission

Chinyorwa 47 CFR Chikamu 15, Kusimbisa, Kuzivisa kweKuenderana (DoC), Chitupa

Zvigadzirwa zveindasitiri

Federal Komisheni Commission

Chikamu 18 che47 CFR yeISM michina

Kunzwisisa aya mazinga kunoita kuti chigadzirwa chako chienderane neanodzora EMC mazinga uye inodzivirira kusatevedzera.

Kusarudza Zvishandiso zveEMI Kuedza

Spectrum analyzers uye EMI vanogamuchira

Spectrum analyzers uye EMI vanogamuchira tamba basa rakakosha mukuyedzwa kweEMI. Zvishandiso izvi zvinoyera kukanganiswa kwemagetsi nekuongorora simba sebasa re frequency. Ivo vanokubatsira kuona masaini asingadikanwi uye kuona kutevedzera emission miganhu.

Antennas, probes, uye LISNs

Kwazvo EMI kuyedzwa kunoda nyanzvi michina:

  1. Antennas: Shandura masaisai emagetsi kuita masaini emagetsi ezviyero chaizvo.

  2. Line Impedans Stabilization Network (LISN): Inomisikidza impedance kune yakaitwa emission bvunzo.

  3. Near-field Probes: Tarisa minda yemagetsi padyo nemidziyo yekuongororwa kwenzvimbo.

Software yekuongorora data uye kushuma

Kushandisa EMI kuyerwa kwesoftware kunorerutsa kuongororwa kwedata uye kushuma. Iyi software inogadzirisa mhinduro dzebvunzo, inozivisa mapatani, uye inogadzira mishumo yekuteerera. Iyo zvakare inosanganisa isina musono nehardware, ichipa yakakwana EMI bvunzo mhinduro.

Kumisikidza Iyo Yekuyedza Nzvimbo

Makamuri akavharidzirwa uye makamuri anechoic

Nzvimbo inodzorwa yakakosha kune chaiyo EMI kuyedzwa. Makamuri akadzivirirwa anovharira masaini eredhiyo ekunze, zvichideredza kupindira. Anechoic makamuri anotora mafungu emagetsi, achidzikisa kuratidzwa. Aya maseti anovimbisa kuti bvunzo dzako dzinoratidza kuita kwechokwadi kwechigadzirwa chako.

Grounding uye tambo manejimendi maitiro

Kudzika kwakakodzera uye tambo manejimendi inodzivirira kuburitsa kusingadiwe panguva yekuyedzwa. Shandisa tambo pfupi, dzakavharirwa uye kubatanidza dzakachengeteka kuderedza ruzha. Kuenderana kuseta maitiro anovandudza kuvimbika kwebvunzo uye kurerutsa kugadzirisa matambudziko.

Nhanho-ne-Nhanho EMC/EMI Analysis Maitiro

Nhanho-ne-Nhanho EMC/EMI Analysis Maitiro

Kuitisa Pre-compliance Testing

Kuziva zvinogona kuitika EMI nyaya kare

Pre-compliance test inokubatsira kuona EMI nyaya panguva dzekutanga nhanho dzekugadzirwa kwechigadzirwa. Iyi proactive nzira inodzivirira kunonoka kunodhura uye inoita kuti chigadzirwa chako chirambe chiri pahurongwa.

Kuziva dhizaini nyaya kutanga mukuita kunogona kudzivirira kunonoka kusingatarisirwe mukutangwa kwechigadzirwa uye kuderedza mitengo ine chekuita nekunonoka-nhanho kuyedzwa. Kwekutanga EMC kuyedzwa kunogonesa kuzivikanwa panguva yekubuda kana kusadzivirirwa nyaya, zvichibvumira shanduko inodiwa yedhizaini pasina kukanganisa hurongwa hwekuvandudza. Pamusoro pezvo, kugadzirisa nyaya dzeEMC kunogona kuwedzera kuita kwechigadzirwa.

Kuti utange, tevera nhanho idzi:

  1. Sarudza iyo inoshanda EMC zviyero zvechigadzirwa chako.

  2. Ita pre-kutevedzera bvunzo kufumura zvinogona kuitika EMI matambudziko.

  3. Sarudza yakaremerwa EMC bvunzo lab yepamutemo certification mushure mekugadzirisa chero nyaya.

Kushandisa nguva-domain uye real-time scanning

Nguva-domain uye chaiyo-nguva yekuongorora matekiniki inobvumidza iwe kuona EMI nekukurumidza uye nemazvo. Real-time scanning inotora zviratidzo zvenguva pfupi izvo nzira dzechinyakare dzinogona kupotsa. Izvi zvinoita kuti utarise zvese zvinogona kukanganisa masosi. Shandisa EMI bvunzo inogamuchira ine chaiyo-nguva yekutarisisa kugona kugadzirisa maitiro uye kugadzirisa huchokwadi.

Kuyera Radiated Emissions

Kumisikidza antenna uye kuisa iyo DUT

Radiated emission bvunzo inoongorora iyo electromagnetic simba rinoburitsa mudziyo wako munzvimbo. Kuti uwane mhedzisiro chaiyo, isa mudziyo uri pasi pekuyedzwa (DUT) pane inotenderera uye siyanisa kureba kweiyo antenna yekugamuchira pakati pe1 kusvika 4 metres. Shandisa semi-anechoic chamber kuti uderedze ruzha rwekumashure uye uve nechokwadi chekuyera kuyerwa.

Kuenzanisa mhedzisiro kumiganhu yekuteerera

Mushure mekuunganidza data, enzanisa kuyerwa kweradiated emissions kune miganhu yekuteerera inotsanangurwa neakakodzera zviyero. Shandisa spectrum analyzer kana EMI test receiver kuongorora zvabuda. Kana iyo inoburitsa yakapfuura miganhu, ungangoda kugadzirisa dhizaini yako kuti uderedze kupindira.

Kuyera Inoitwa Emissions

Kushandisa LISNs yemagetsi tambo yekuyedza

Yakaitwa emission bvunzo inoyera electromagnetic kukanganiswa inofamba netambo dzemagetsi. A Line Impedance Stabilization Network (LISN) inova nechokwadi chekusagadzikana uye kusefa masaini asingadiwe kubva kune magetsi. Izvi zvinokutendera kuti uzvitsaurire uye kuyera kuburitswa kubva kuDUT nemazvo.

Kuongorora kuburitswa kwemafuta achipesana nezviyero

Kana uchinge wapedza zviyero, ongorora zvawanikwa uchienzanisa nemaitiro anoshanda. Kana hutsi hwakaitwa hwakapfuura miganhu inotenderwa, funga kushandisa matekiniki akaita sekudzivirira kana kusefa kurerutsa nyaya. Ongorora zvakare mudziyo kuti uone kuenderana.

Kuita Immunity Testing

Simulating electromagnetic kukanganisa

Kudzivirirwa kwekudzivirira kunoongorora kuti mudziyo wako unoshanda sei kana uchinge wafumurwa nekukanganiswa kwemagetsi. Kutevedzera kukanganisa uku kunosanganisira nzira dzinoverengeka:

  • EFT (Magetsi Anokurumidza Kupfuura): Shandisa EFT / burst jenareta uye capacitive coupling clamp kupinza kukanganisa mumagetsi kana zviratidzo zviteshi.

  • Kuwedzera Kuedza: Tevedzera kukwidziridzwa kwemagetsi nejenareta yekuvhiya uye maturusi ekubatanidza, kushandisa zvakananga kukanganisa kumasaini.

  • Yakaitwa Immunity Testing: Isai mhirizhonga-yakajairwa mumagetsi uye masaini tambo uchishandisa chiratidzo jenareta uye transducers.

  • Inoitwa RF Immunity: Svitsa masaini eRF mumatambo ane akatsanangurwa coupling network.

  • Radiated Field Coupling: Gadzira minda ine antenna uye waveguides munzvimbo dzakachengetedzwa kuti uderedze kutarisisa.

  • Reverberation Chamber Testing: Gadzira munda wakafanana wakatenderedza mudziyo uri kuedzwa (DUT) uchishandisa maratidziro mukamuri yakasarudzika.

Idzi nzira dzinoita kuti mudziyo wako ugone kumira chaiwo-epasirese electromagnetic matambudziko pasina kukanganisa kushanda kwayo.

Kuongorora kushanda kwechigadzirwa pasi pekunetseka

Panguva yekuyedzwa kusadzivirirwa, tarisa mashandiro emudziyo wako pasi pekushushikana. Tarisa kune chero kusashanda, kuderedzwa kwekushanda, kana maitiro asingatarisirwi. Semuyenzaniso, tarisa kana mudziyo ukaramba uchishanda zvawaitarisira kana uchinge wasangana nezvinovhiringa. Kana mashandiro acho adonha, tsvaga chikonzero uye shandisa shanduko yekugadzira kuti uvandudze kusimba. Iyi nhanho inovimbisa kuti chigadzirwa chako chinosangana nezvinodiwa zvekuteedzera uye chinoita zvakavimbika munzvimbo yachiri kuda.

Compliance Testing

Kugadzirira kuyedzwa zviri pamutemo kumaLab akabvumidzwa

Kuyedzwa kwekuteerera kunoitwa mumaLab akatenderwa ane maturusi epamberi uye nharaunda dzakadzorwa. Usati waronga bvunzo, ita shuwa kuti mudziyo wako wakanyatso ongorora pre-kutevedzera. Kugadzirira uku kunoderedza njodzi yekukundikana panguva yekuongororwa kwepamutemo. MaLab akatenderwa anotevera maprotocol akasimba kuona kuti mudziyo wako unosangana nezvinodiwa zvekuburitsa uye kusadzivirirwa. Kudyidzana neaya maLab kunovimbisa mibairo chaiyo uye yakatsetseka certification maitiro.

Kuve nechokwadi chezvinyorwa zvizere uye mishumo

Mapepa akakodzera akakosha pakuyedza kutevedzera. Unganidza uye ronga magwaro ese anodiwa pamberi pebvunzo kuti agadzirise maitiro ekuongorora. Vavarira kupedzisa 75-80% yezvinyorwa basa remumunda risati ratanga. Tevedza nhanho idzi kuti uve nechokwadi chezvinyorwa zvakakwana:

  1. Gadzira raibhurari yezvinodiwa kuti utsanangure mazinga ekuteerera anoshanda.

  2. Ita ongororo yekutevedzera njodzi yekuona njodzi dzinogona kuitika.

  3. Gadzira nzira yekuyedza kuti uve nechokwadi chekuongorora kunoshanda.

Pamusoro pezvo, shandisa yakajairwa kushuma fomati kudonongodza zvimiro zvepolicy uye chero shanduko dzakaitwa panguva yekuyedza. Manyoro akakwana haangotsigire kutevedza chete asiwo anorerutsa kuongororwa kweramangwana uye kugadzirisa kwechigadzirwa.

Kududzira Mhedzisiro uye Kugadzirisa Matambudziko eEMI

Kuongorora Test Data

Kuziva mapatani uye anomalies

Kuongorora bvunzo data inhanho yakakosha muEMC/EMI ongororo. Iwe unogona kuona mapatani uye anomalies uchishandisa akati wandei matekiniki:

  • Mitemo-yakavakirwa nzira: Izvi zvinotsamira pamitemo yakafanotsanangurwa, senge zvikumbaridzo, kuti ione zvakajeka anomalies.

  • Michina yekudzidza maitiro: Algorithms senge kusanganisa kana miti yesarudzo inobatsira kuburitsa mapatani akavanzika mumaseti makuru.

  • Kudzidza zvakadzika: Neural network inogona kuona mapatani akaomarara asi inoda data rakanyorwa.

  • Data yemhando yekuongorora: Cheki chenguva dzose chinovimbisa kutendeseka kwedata, izvo zvakakosha kuti uwane ruzivo rwakakwana.

Nekushandisa nzira idzi, unogona kuona kwainobva kukanganisa uye kugadzira mhinduro dzinoshanda dzekudzigadzirisa.

Kuenzanisa zviwanikwa kune zvikumbaridzo zvekuteerera

Paunenge uchinge waona mapatani, enzanisa mhinduro dzebvunzo kune zvikumbaridzo zvekuteerera zvakatsanangurwa mumiyero yakakodzera. Semuenzaniso, kana zviyero zvako zveEMI zvichidarika zvinobvumidzwa, unofanirwa kuongorora chikonzero. Iyi nhanho inovimbisa kuti mudziyo wako unosangana nezvinodiwa zvekuteedzera uye kudzivirira zvirango zvingangoitika.

Troubleshooting Common EMI Matambudziko

Kuburitsa kwakawandisa kubva kune magetsi

Kuchinja magetsi emagetsi kunowanzo gadzira yakakwira mazinga eEMI. Izvi zvinobuda zvinogona kuguma nekugadzirwa kwakashata kana kusasefa kwakakwana. Kuti ugadzirise izvi, funga kuwedzera mafirita kana kuvandudza marongerwo emagetsi emagetsi ako. Kutevedzera zviyero zvepasi rose panguva yekuyedza kunobatsira kudzikisira nyaya idzi nemazvo.

Kusadzivirira kana kuisa pasi

Kudzivirirwa kusina kunaka kana kuisa pasi kunogona kutungamirira mukuvhiringidza kweradiated kana kuitwa. Metallic components inogona kuita seantenna, inopenya masaini epamusoro-frequency. Ita shuwa nzira dzekudzika pasi uye shandisa conductive zvinhu zvekudzivirira. Aya matanho anoderedza kukanganisa uye anovandudza mashandiro emudziyo wako.

Iterative Testing uye Dhizaini Magadzirirwo

Kugadzirisa PCB marongero kana akavharirwa

Magadzirirwo edhizaini anoita basa rakakosha mukugadzirisa nyaya dzeEMI. Unogona kushandisa mazano anotevera:

nzira

tsananguro

Ndege yepasi

Isa ndege yepasi pasi pematanho kuti uderedze EMI.

Surface-Mount Devices

Shandisa SMDs kuderedza inductance uye kunatsiridza chikamu kuiswa.

kudzivirirwa

Wedzera conductive zvinhu kutora uye kuratidza radiation.

Layer Arrangement

Tsaura imwe PCB layer sendege yepasi kuita zvirinani EMC.

Decoupling Capacitors

Position capacitors padhuze neIC simba mapini ekudzikisa simba njanji ruzha.

Aya magadzirirwo anovandudza mudziyo wako kuenderana nemagetsi uye kuderedza kukanganiswa.

Kuongorora zvakare kusimbisa kuvandudzwa

Mushure mekuita shanduko yekugadzira, ongororazve mudziyo wako kuti uone kushanda kwemhinduro dzako. Shandisa iyo yakafanana nharaunda yekuyedza uye maturusi kuona kuenderana. Iyi iterative maitiro inokubatsira kuti uwane kuteedzera uye shuwa kuti mudziyo wako unoshanda zvakavimbika mumamiriro epasirese.

Maitiro Akanakisa eEMC/EMI Kuedza uye Kutevedzera

Kuronga kweEMC/EMI Analysis

Kubatanidza EMC kufunga muchikamu chekugadzira

Kurongera EMC panguva yedhizaini dhizaini inoita kuti chigadzirwa chako chinosangana nezvinodiwa zvekuteedzera uye kudzivirira kudhizainazve kunodhura. Tevedza matanho aya kubatanidza EMC kufunga zvinobudirira:

  1. Gadzira maseketi ane EMI mupfungwa. Shandisa mafirita epasi-pasi kudzvanya ma frequency epamusoro uye kutevedzera nzira dzekudzika kuti uderedze kukanganisa.

  2. Kurara mapuranga edunhu zvine hunyanzvi. Isa ma capacitor ekuchengetera padhuze neavanoda mapoinzi, patsanura zvinhu zvine ruzha kubva kune zvine hunyoro, uye bond pasi ndege kune chassis.

  3. Gadzira dhayagiramu yewaya yakadzama. Nyora chinongedzo chese uye simbisa kupatsanurwa kwakaringana pakati pemaseketi ane ruzha uye anobatwa.

  4. Package system nekufunga. Position subsystems yekudzikisa electromagnetic coupling uye isa nhovo pazvinenge zvichidikanwa.

Nekugadzirisa zvinhu izvi kutanga, unogona kuderedza njodzi dzeEMI uye kugadzirisa maitiro ekuyedza.

Kugovera nguva uye zviwanikwa zvekuyedza

Kugovera nguva yakakwana uye zviwanikwa zvekuyedzwa kweEMI kwakakosha. Tanga nekufungidzira nguva inodiwa pa pre-compliance and compliance tests. Chengetedza maturusi emhando yepamusoro uye zvishandiso, senge spectrum analyzer uye EMI vanogamuchira, kuve nechokwadi chemhedzisiro. Pamusoro pezvo, dzidzisa timu yako maitiro ekuyedza kuti uvandudze kushanda zvakanaka. Kuronga kwakaringana kunoderedza kunonoka uye kunoita kuti chigadzirwa chako chisangane nezviyero zvekutevedzera pahurongwa.

Kushandisa Advanced Testing Tools

Kushandisa otomatiki masisitimu ekubudirira

Otomatiki masisitimu anorerutsa EMI kuyedzwa nekudzikisira basa remanyorero uye nekuvandudza chokwadi. Zvishandiso senge spectrum analyzers uye EMI vanogamuchira vanogona otomatiki kuunganidza data uye kuongorora, kuchengetedza nguva. Nekubuda kwemhepo, Line Impedance Stabilization Network (LISN) inova nechokwadi chekusagadzikana, ichigonesa kuyerwa chaiko. Automation haingo mhanyisa maitiro asi zvakare inoderedza njodzi yekukanganisa kwevanhu.

Kushandisa simulation software yekufungidzira kwekutanga

Simulation software inobvumidza iwe kufanotaura nyaya dzeEMI pamberi pekuyedzwa kwemuviri. Zvishandiso zvakaita se ANSYS EMIT uye CST EMC STUDIO zvinogonesa kuti uongorore kupindirana kwemagetsi munzvimbo dzakaita. Zvirongwa izvi zvinotevedzera mamiriro epasirese, zvichikubatsira kuona zvinogona kuitika uye kugadzirisa madhizaini. Semuenzaniso, unogona kuongorora mashandiro emudziyo muIoT maapplication kana kufungidzira kuburitswa mune anechoic chamber-seseseti. Kushandisa simulation software kunoderedza mitengo yekuvandudza uye inomhanyisa maitiro ekuteerera.

Kuramba Uchivandudzwa paMitemo Yekutevedzera

Kuongorora kuchinja kwemitemo

Regulatory zviyero zveEMI kutevedzera zvinoshanduka kazhinji. Gara uchiziva nekunyoresa kune zvigadziriso kubva kumasangano anodzora seFCC kana CE. Gara uchiongorora shanduko kuti uone kuti chigadzirwa chako chinoramba chichienderana. Kuchengeta mirau kunokubatsira kuti udzivise zvirango uye kuve nechokwadi chekuti bvunzo dzako dzinoenderana neazvino zviyero.

Kutora chikamu mumaindasitiri maforamu uye kudzidziswa

Bata nemaforamu eindasitiri uye enda kumisangano yekudzidziswa kuti urambe uri kumberi muEMC/EMI ongororo. Aya mapuratifomu anopa ruzivo mune ari kubuda maitiro uye akanakisa maitiro. Kushamwaridzana nenyanzvi kunogonawo kukubatsira kugadzirisa matambudziko akaoma eEMI. Kuenderera mberi nekudzidza kunoita kuti timu yako irambe iine hunyanzvi mukuyedza uye nzira dzekutevedzera.

EMC/EMI ongororo inoita basa rakakosha mukuona kuti mudziyo wako unoshanda zvakavimbika uye unosangana nezvinodiwa nemitemo. Pre-kutevedzera bvunzo inokubatsira kuona zvinhu nekukurumidza, kuchengetedza nguva uye zviwanikwa panguva yekuvandudza. Iterative dhizaini inovandudza chigadzirwa chako kuenderana kwemagetsi, kuve nechokwadi kuti chinoita zvakanaka mumamiriro epasirese. Kuisa mari mumaturusi emhando yepamusoro uye kugara uine ruzivo pamusoro pekuchinja kwemazinga kunoita kuti maitiro ako ekuyedza arambe achishanda uye achienderana. Ongorora zviwanikwa kubva kumasangano anodzora seFCC kana CE uye akatemerwa bvunzo marabhu kuti uwedzere kunzwisisa kwako uye kugadzirisa rwendo rwako rwekutevedzera.

Zano: Bookmark mawebhusaiti ezviremera zvinotonga uye maLab ekuyedza kuti uwane nekukurumidza kune zvigadziriso uye nhungamiro.

FAQ

Ndeupi musiyano uripo pakati peEMC neEMI?

Electromagnetic Compatibility (EMC) inoita kuti zvishandiso zvinoshanda zvisina kukonzeresa kana kukanganiswa nekukanganiswa. Electromagnetic Interference (EMI) inoreva zviratidzo zvisingadiwe zvinokanganisa mashandiro emudziyo. EMC inotarisa pakuteerera, nepo EMI inosimbisa dambudziko.

Sei pre-compliance test yakakosha?

Pre-kutevedzera bvunzo inozivisa EMI nyaya pakutanga mukusimudzira. Inochengetedza nguva nemari nekudzivirira kugadzirwazve kunodhura. Iwe unogona kugadzirisa matambudziko usati waedza zviri pamutemo, kuve nechokwadi chakapfava chitupa.

Ndezvipi zvishandiso zvakakosha pakuyedzwa kweEMI?

Unoda spectrum analyzers, EMI vanogamuchira, antennas, uye LISNs. Zvishandiso izvi zvinoyera kuburitswa uye kusadzivirirwa. Software yekuongorora data uye kushuma zvakare inorerutsa maitiro.

Iwe unoderedza sei EMI muPCB dhizaini?

Shandisa ndege dzepasi, decoupling capacitors, uye nzira chaiyo yekutevera. Chengetedza zvinhu zvine ruzha uye zviparadzanise kubva kune masekete anonzwisa tsitsi. Aya matanho anoderedza kupindira uye anovandudza kushanda.

Kangani kaunofanira kuvandudza ruzivo rwako rwezviyero zvekutevedzera?

Iwe unofanirwa kutarisa zvinyorwa nguva nenguva. Mayero anoshanduka nguva zhinji, uye kugara uchiziva kunoita kuti chigadzirwa chako chirambe chichienderana. Nyorera kune zvigadziriso zvekutonga uye kutora chikamu mumaindasitiri maforamu.

muromo: Bookmark regulatory mawebhusaiti kuti uwane nekukurumidza kune zvigadziriso uye nhungamiro.

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