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Chifukwa pali njoka mzere pa bolodi PCB?

 

Aliyense mzere kuyenda pa Board PCB zinachitikira ndi mkulu pafupipafupi mbendera chizindikiro chifukwa nthawi yomweyo, Njoka mayikidwe ndi cholinga chachikulu cha "gulu lomweli la zokhudzana" sachedwa gawo ang'onoang'ono a mizere mbendera, zigawo izi kawirikawiri kapena zosakwana zizindikiro zina ndi zina processing mfundo; The lililonse kwambiri ndi wotchi mzere, amene zambiri osati kukonzedwa ndi mfundo ina iliyonse, choncho kuchedwa kwake ndi zosakwana zizindikiro zina.

Mzere kutalika ndi monga mkulu-liwiro PCB digitochifukwa kusunga kuchedwa kusiyana lililonse chizindikiro mu osiyanasiyana, kuonetsetsa mphamvu ya deta Werengani dongosolo mu nthawi yomweyo (sachedwa n'komwe wotchi mkombero cholakwika pamene iwo kuwerenga deta ya mkombero lotsatira), zofunika ambiri sachedwa kusiyana si kuposa kotala ya mkombero koloko, unit kutalika mzere kuchedwa kusiyana ndi amodzi kuchedwa ndi mzere m'lifupi, mzere m'litali, makulidwe mkuwa, mbale wosanjikiza dongosolo, koma foniyo motalika zingawonjezere kufalitsa capacitance anagawira ndi inductance, kupanga chizindikiro khalidwe anayendera, kotero koloko IC zikhomo ndi ambiri RC kuchotsa, koma Njoka mayikidwe, osati inductance udindo M'malo mwake, The inductance amachititsa amgwirizano apamwamba mu kotulukira gawo la chizindikiro kwa gawo kosangalatsa, kupanga chizindikiro khalidwe kuwonongeka kwa lonse, kotero lamulo Njoka ndi osachepera kawiri mzere m'lifupi, mzere katayanitsidwe, chindichepere kuwuka nthawi ya mbendera amasanthula chikoka kwambiri yogawa ndi distrib ndi uted capacitance ndi inductance.

njoka mzere pa bolodi PCB

Chifukwa ntchito zosiyana ndi ntchito yosiyana, ngati Njoka mzere anaonekera mu gulu PC , kusewera waukulu udindo wa fyuluta inductance, kusintha odana ndi kuwasokoneza mphamvu dera, ndi mzere Njoka mu kompyuta mavabodi.

Zimagwiritsa ntchito zina chizindikiro koloko, monga CIClk, AGPClk lomwe lili ntchito ziwiri:

1. Impedance ofananira;

2. Sefani inductance.

Pakuti zizindikiro zina zofunika, monga HUBLink mu Intel likulu zomangamanga, pali 13 mizu, akuthamanga 233MHz, ndi zofunika ayenera zikasungidwa kwa nthawi yaitali, kuthetsa mavuto zobisika chifukwa cha pochedwetsa, ndi kumulowetsa ndi njira yokhayo .Generally kulankhula, mzere katayanitsidwe wa koyilo wa njoka kawiri lonse monga> = 2.The njoka mzere pa bolodi PCI chofunika kuti azolowere mzere kutalika PCI 33MHzClock.In yachibadwa PCB gulu Kupanga katundu , ndi LC fyuluta ndi magawo anagawira, ndipo zikhoza kugwiritsidwa ntchito monga inductor koyilo wailesi tinyanga, ndi lalifupi ndi yopapatiza njoka mzere angagwiritsidwe ntchito kuti mafyuzi, etc.

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