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.

1. Mfundo zingapo zofunika: waya aliyense ali ndi impedance; yapano nthawi zonse imasankha njira yokhayo popanda kusokoneza pang'ono; mphamvu ya radiation imagwirizana ndi malo apano, ma frequency, ndi loop; kusokoneza wamba kumakhudzana ndi kuthekera kwapawiri kwa ma sign akulu a dv/dt pansi; Mfundo yochepetsera EMI ndi kulimbikitsa mphamvu zotsutsana ndi kusokoneza ndizofanana.

2. Mapangidwewo ayenera kugawidwa molingana ndi magetsi, analogi, digito yothamanga kwambiri komanso chipika chilichonse chogwira ntchito.

3. Chepetsani dera lalikulu la di/dt loop ndikuchepetsa kutalika (kapena dera, m'lifupi mwa mzere waukulu wa sigino ya dv/dt). Kuwonjezeka kwa chigawo chotsatira kudzawonjezera mwayi wogawidwa. Njira yowonjezera ndi: kufufuza m'lifupi Yesetsani kukhala wamkulu momwe mungathere, koma chotsani gawo lowonjezera), ndipo yesetsani kuyenda molunjika kuti muchepetse malo obisika kuti muchepetse cheza.

4. Inductive crosstalk makamaka imayambitsidwa ndi di/dt loop lalikulu (loop antenna), ndipo induction induction imagwirizana ndi kugwirizanitsa, kotero ndikofunikira kwambiri kuchepetsa kugwirizanitsa ndi zizindikiro izi (njira yaikulu ndi kuchepetsa kuonjezera mtunda ndi mtunda wa kuzungulira); Sexual crosstalk imapangidwa makamaka ndi ma siginecha akulu a dv/dt, ndipo kulimbikira kumayenderana ndi kuthekera kogwirizana. Mphamvu zonse zomwe zimagwirizanitsa ndi zizindikirozi zimachepetsedwa (njira yaikulu ndiyo kuchepetsa malo ogwirizanitsa bwino ndikuwonjezera mtunda. Kuthekera kogwirizana kumachepa ndi kuwonjezeka kwa mtunda. Mofulumira) ndizovuta kwambiri.

5. Yesetsani kugwiritsa ntchito mfundo yoletsa kulupu kuti muchepetse gawo lalikulu la di/dt loop, monga momwe zikusonyezedwera pa Chithunzi 1 (chofanana ndi chopotoka.
Gwiritsani ntchito mfundo yoletsa kulupu kuti muwongolere luso loletsa kusokoneza ndikuwonjezera mtunda wotumizira):

Chithunzi 1, Kuletsa kwa Loop (kuzungulira kwaufulu kwa boost circuit)

6. Kuchepetsa malo ozungulira sikungochepetsa ma radiation, komanso kumachepetsa kutsekemera kwa loop, kumapangitsa kuti dera likhale bwino.

7. Kuchepetsa malo ozungulira kumafuna kuti tikonze molondola njira yobwereranso pamtundu uliwonse.

8. Pamene ma PCB angapo alumikizidwa kudzera pa zolumikizira, m'pofunikanso kuganizira kuchepetsa malo ozungulira, makamaka zizindikiro zazikulu za di / dt, zizindikiro zafupipafupi kapena zizindikiro zowonongeka. Ndibwino kuti waya wamtundu umodzi ufanane ndi waya wapansi, ndipo mawaya awiriwa ali pafupi kwambiri. Ngati ndi kotheka, mawaya opotoka atha kugwiritsidwa ntchito polumikizira (kutalika kwa waya wopotoka iliyonse kumafanana ndi kuchuluka kwa phokoso la theka la kutalika kwa mafunde). Ngati mutsegula kompyuta, mukhoza kuona kuti mawonekedwe a USB pakati pa bolodi la mavabodi ndi gulu lakutsogolo likugwirizana ndi awiri opotoka, omwe amasonyeza kufunika kwa mgwirizano wopotoka wotsutsana ndi kusokoneza komanso kuchepetsa ma radiation.

9. Kwa chingwe cha data, yesetsani kukonza mawaya ambiri pansi pa chingwe, ndikupanga mawaya apansi awa mofanana mu chingwe, chomwe chingachepetse bwino malo ozungulira.

10. Ngakhale kuti mizere ina yolumikizana ndi ma board ndi ma siginecha otsika, chifukwa mazizindikiro otsikawa amakhala ndi phokoso lambiri (kudzera mu conduction ndi ma radiation), ndizosavuta kutulutsa phokoso ngati silikugwiridwa bwino.

11. Mukayika mawaya, choyamba ganizirani zazithunzi zazikulu zomwe zikuchitika komanso zomwe zimawopsezedwa ndi ma radiation.

12. Kusintha magetsi nthawi zambiri kumakhala ndi malupu 4 amakono: kulowetsa, kutulutsa, kusintha, freewheeling, (Chithunzi 2). Pakati pawo, kulowetsa ndi kutulutsa malupu amakono ndi pafupifupi panopa, pafupifupi palibe emi imapangidwa, koma imasokonezeka mosavuta; ma switching ndi ma freewheeling apano ali ndi di/dt yokulirapo, yomwe ikufunika kusamaliridwa.
Chithunzi 2, kuzungulira kwaposachedwa kwa Buck circuit

13. Chipata choyendetsa chipata cha mos (igbt) chubu nthawi zambiri chimakhala ndi di / dt yaikulu.

14. Musayike maulendo ang'onoang'ono a zizindikiro, monga maulendo olamulira ndi analogi, mkati mwamakono akuluakulu, mafupipafupi ndi maulendo apamwamba kwambiri kuti musasokonezedwe.

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