Chifukwa cha mawonekedwe osinthika amagetsi osinthira, ndikosavuta kupangitsa kuti magetsi asinthe kuti apange kusokoneza kwakukulu kwamagetsi. Monga mainjiniya opangira magetsi, mainjiniya ofananira ndi ma elekitirodi, kapena mainjiniya a PCB, muyenera kumvetsetsa zomwe zimayambitsa zovuta zoyenderana ndi ma elekitiroma ndipo mwathetsa njira, makamaka Makanilani a masanjidwe amayenera kudziwa momwe angapewere kufalikira kwa mawanga. Nkhaniyi makamaka imayambitsa mfundo zazikulu za mapangidwe amagetsi a PCB.

15. Chepetsani malo ozungulira (womvera) ndi mawaya kutalika kuti muchepetse kusokoneza.

16. Zizindikiro zazing'ono zazing'ono zimakhala kutali ndi mizere yayikulu ya dv / dt (monga C pole kapena D pole ya chubu chosinthira, buffer (snubber) ndi network clamp) kuti achepetse kugwirizana, ndi nthaka (kapena magetsi, mwachidule) Chizindikiro chotheka) kuti muchepetse kuphatikizika, ndipo pansi payenera kukhala polumikizana bwino ndi ndege yapansi. Nthawi yomweyo, zizindikiro zazing'ono zimayenera kukhala kutali kwambiri ndi mizere yayikulu ya di/dt kuti mupewe kuphatikizika kwamphamvu. Ndibwino kuti musapite pansi pa chizindikiro chachikulu cha dv/dt pamene chizindikiro chaching'ono chikutsatira. Ngati kumbuyo kwa chizindikiro chaching'ono kungathe kukhazikika (nthaka yomweyo), chizindikiro cha phokoso chophatikizidwa ndi icho chingathenso kuchepetsedwa.

17. Ndi bwino kuyala pansi mozungulira ndi kumbuyo kwa zizindikiro zazikuluzikulu za dv/dt ndi di/dt (kuphatikizapo mizati ya C/D ya zida zosinthira ndi chosinthira chubu radiator), ndikugwiritsa ntchito kumtunda ndi kumunsi. zigawo za nthaka Kudzera kulumikiza dzenje, ndi kulumikiza pansi pa mfundo wamba (kawirikawiri E/S mzati wa lophimba chubu, kapena sampuli resistor) ndi otsika impedance kufufuza. Izi zitha kuchepetsa ma radiation EMI. Tiyenera kuzindikira kuti malo ang'onoang'ono a chizindikiro sayenera kugwirizanitsidwa ndi malo otetezera awa, mwinamwake adzayambitsa kusokoneza kwakukulu. Mawonekedwe akulu a dv/dt nthawi zambiri amatha kusokoneza ma radiator ndi malo oyandikana nawo pogwiritsa ntchito mphamvu zonse. Ndikwabwino kulumikiza radiator chubu chosinthira ku malo otchinga. Kugwiritsiridwa ntchito kwa zipangizo zosinthira pamwamba-mapiri kudzachepetsanso mwayi wogwirizana, potero kuchepetsa kugwirizanitsa.

18. Ndi bwino kuti ntchito vias kwa kuda amene sachedwa kusokoneza, monga kusokoneza zigawo zonse kuti kudzera kudutsa.

19. Kuteteza kungathe kuchepetsa EMI yotulutsa, koma chifukwa cha kuwonjezeka kwa mphamvu pansi, kuchitidwa EMI (mawonekedwe wamba, kapena njira yosiyana ya kunja) idzawonjezeka, koma malinga ngati chingwe chotetezera chikukhazikika bwino, sichidzawonjezeka kwambiri. Ikhoza kuganiziridwa pamapangidwe enieni.

20. Pofuna kupewa kusokoneza wamba, gwiritsani ntchito mfundo imodzi yoyambira ndi magetsi kuchokera kumalo amodzi.

21. Kusintha mphamvu zamagetsi nthawi zambiri kumakhala ndi zifukwa zitatu: mphamvu yolowera pamwamba pakali pano, mphamvu yotulutsa mphamvu yapamwamba, ndi malo ochepa olamulira chizindikiro. Njira yolumikizira pansi ikuwonetsedwa pazithunzi zotsatirazi:

22. Poyika pansi, choyamba weruzani momwe nthaka ilili musanagwirizane. Malo opangira sampuli ndi kukulitsa zolakwika nthawi zambiri amayenera kulumikizidwa ndi mtengo woyipa wa capacitor, ndipo chizindikiro chachitsanzo nthawi zambiri chimayenera kuchotsedwa pamtengo wabwino wa capacitor. Malo ang'onoang'ono owongolera ma siginecha ndi malo oyendetsa nthawi zambiri amayenera kulumikizidwa ndi mtengo wa E/S kapena sampling resistor ya chubu chosinthira motsatana kuti apewe kusokoneza kwa Common impedance. Kawirikawiri malo olamulira ndi malo oyendetsa galimoto a IC samatsogoleredwa mosiyana. Panthawiyi, kulepheretsa kutsogola kuchokera ku sampling resistor kupita kumtunda wapamwamba kuyenera kukhala kochepa kwambiri kuti muchepetse kusokoneza wamba ndikuwongolera kulondola kwa zitsanzo zamakono.

23. The output voltage sampling network ndi bwino kukhala pafupi ndi amplifier zolakwika m'malo motulutsa. Izi ndichifukwa choti ma sign a impedance otsika savutikira kusokonezedwa kuposa ma sign a impedance. Zitsanzo zotsatizana ziyenera kukhala zoyandikana kwambiri kuti zichepetse phokoso lomwe latengedwa.

24. Samalani kamangidwe ka inductors kukhala kutali ndi perpendicular kwa wina ndi mzake kuchepetsa inductance, makamaka inductors yosungirako mphamvu ndi fyuluta inductors.

25. Samalani ndi mapangidwe pamene makina othamanga kwambiri ndi otsika kwambiri amagwiritsidwa ntchito mofanana, makina apamwamba kwambiri ali pafupi ndi wogwiritsa ntchito.

26. Kusokoneza kwapang'onopang'ono kumakhala njira yosiyanitsira (pansi pa 1M), ndipo kusokoneza kwafupipafupi kumakhala kofala, nthawi zambiri kumagwirizana ndi ma radiation.

27. Ngati chizindikiro chafupipafupi chikuphatikizidwa ndi chiwongolero cholowetsa, n'zosavuta kupanga EMI (njira wamba). Mutha kuyika mphete ya maginito panjira yolowera pafupi ndi magetsi. Ngati EMI yachepetsedwa, ikuwonetsa vutoli. Njira yothetsera vutoli ndi kuchepetsa kugwirizanitsa kapena kuchepetsa EMI ya dera. Ngati phokoso lapamwamba kwambiri silinasefedwe bwino ndikuyendetsedwa kumalo olowetsamo, EMI (modeti yosiyana) idzapangidwanso. Panthawiyi, mphete ya maginito singathe kuthetsa vutoli. Chingwe ma inductors awiri apamwamba kwambiri (symmetrical) pomwe cholowera chili pafupi ndi magetsi. Kuchepa kumasonyeza kuti vutoli lilipo. Njira yothetsera vutoli ndikuwongolera kusefa, kapena kuchepetsa kutulutsa kwaphokoso lapamwamba kwambiri pogwiritsa ntchito buffering, clamping ndi njira zina.

28. Kuyeza kwamachitidwe osiyanitsira ndi njira wamba pano:

29. Fyuluta ya EMI iyenera kukhala pafupi ndi mzere wolowera momwe zingathere, ndipo mawaya a mzere wolowera ayenera kukhala waufupi momwe angathere kuti achepetse kugwirizana pakati pa kutsogolo ndi kumbuyo kwa EMI fyuluta. Waya wolowera amatetezedwa bwino ndi chassis (njirayo ndi momwe tafotokozera pamwambapa). Zosefera za EMI zotulutsa ziyenera kuchitidwa chimodzimodzi. Yesetsani kukulitsa mtunda pakati pa mzere womwe ukubwera ndi mayendedwe apamwamba a dv/dt, ndipo ganizirani momwe mungasankhire.