Nrog rau kev nce ntxiv ntawm kev sib txuas hluav taws xob tso zis hloov pauv nrawm thiab PCB pawg thawj coj saib ceev, teeb liab ntseeg kuj yog ib qho ntawm cov teeb meem uas yuav tsum tau muaj kev txhawj xeeb nyob rau hauv high-ceev cov PCB tsim. Qhov tsis sib xws ntawm cov khoom siv thiab PCB pawg thawj coj saib, kev teeb tsa ntawm cov khoom ntawm PCB pawg thawj coj saib, cov xaim hluav taws xob ntawm cov kab hluav taws xob ceev thiab lwm yam, Yuav ua rau muaj teeb meem nrog lub teeb liab kev ncaj ncees.

Rau PCB layouts, teeb liab kev ncaj ncees yuav tsum tau ib tug board layout uas tsis cuam tshuam rau lub sij hawm ntawm lub teeb liab los yog voltage, thaum lub Circuit Court thaiv, teeb liab kev ncaj ncees yuav tsum tau txiav cov ntsiab lus, layout tswv yim, thiab cov ntaub ntawv xov xwm. Cov teeb liab nrawm ntawm PCB, tso tsis raug ntawm cov khoom kawg, lossis cov xov hluav taws xob tsis raug ntawm lub teeb liab tuaj yeem ua teeb meem teeb meem kev ncaj ncees, uas yuav ua rau lub kaw lus tso tawm cov ntaub ntawv tsis raug, Circuit Court ua haujlwm tsis raug lossis tsis ua haujlwm txhua. Yuav ua li cas coj lub teeb pom kev ncaj ncees rau hauv kev txiav txim siab tag nrho thiab ntsuas kev tswj hwm zoo hauv PCB tsim tau dhau los ua cov ncauj lus kub hauv PCB tsim kev lag luam.

Teeb liab kev ncaj ncees Cov teeb meem Zoo teeb liab kev ncaj ncees txhais tau hais tias lub teeb liab tuaj yeem teb nrog lub sijhawm raug thiab qhov ntsuas qhov ntsuas hluav taws xob thaum xav tau. Hloov pauv, thaum lub teeb liab tsis teb kom raug, muaj teeb meem teeb meem kev ncaj ncees. Teeb meem kev ncaj ncees tuaj yeem ua rau lossis ncaj qha mus rau teeb liab tsis raug, lub sijhawm tsis raug, cov ntaub ntawv tsis raug, qhov chaw nyob thiab tswj kab, thiab kev ua haujlwm tsis raug, lossis txawm tias lub system poob. Hauv txheej txheem ntawm PCB tsim kev coj ua, tib neeg tau sau ntau cov txheej txheem PCB tsim. Hauv PCB tsim, lub teeb liab ncaj ncees ntawm PCB tuaj yeem ua tiav zoo dua los ntawm kev ua tib zoo xa mus rau cov cai tsim qauv no.

Thaum tsim PCB, peb yuav tsum xub nkag siab cov ntaub ntawv tsim ntawm tag nrho lub rooj tsav xwm hauv Circuit Court, uas suav nrog:

1. Tus naj npawb ntawm cov khoom siv, cov cuab yeej loj, cov khoom siv pob, nti tus nqi, seb puas yog PCB muab faib rau hauv qis qis, nruab nrab ceev thiab qhov chaw siab ceev, uas yog qhov chaw sib cuam tshuam thiab tso zis;

2. Cov txheej txheem txheej txheem tag nrho, cov cuab yeej teeb tsa qhov chaw, seb puas muaj lub cuab yeej siv hluav taws xob siab, cov cuab yeej siv hluav taws xob ua kom sov tshwj xeeb xav tau;

3. Hom kab teeb liab, nrawm thiab xa mus, tsis muaj kev tswj hwm qhov xav tau ntawm kab teeb liab, kev caij npav nrawm thiab tsav tsheb, teeb liab tseem ceeb thiab ntsuas kev tiv thaiv;

4. Hom khoom siv hluav taws xob, hom av, yuav tsum muaj suab nrov rau lub zog thiab hauv av, teeb tsa thiab sib faib cov khoom siv hluav taws xob thiab dav hlau hauv av;

5. Hom thiab tus nqi ntawm kab kab, qhov chaw thiab kev taw qhia ntawm kab kab, ncua sijhawm ncua sijhawm, xav tau kab ntev tshaj plaws.

PCB txheej tsim

Tom qab nkag siab cov ntaub ntawv yooj yim ntawm lub rooj tsav xwm hauv Circuit Court, nws yog qhov tsim nyog los ntsuas qhov tsim nyog ntawm cov nqi hluav taws xob hauv Circuit Court thiab teeb tsa kev ncaj ncees, thiab xaiv tus lej tsim nyog ntawm txheej txheej. Tam sim no, lub rooj tsav xwm Circuit Court tau maj mam tsim los ntawm ib txheej, ob txheej thiab plaub txheej mus rau ntau txheej txheej Circuit Court. Multi-layer PCB tsim tuaj yeem txhim kho qhov chaw siv ntawm cov teeb liab routing thiab muab txoj hauv kev rov qab rau cov teeb liab, uas yog qhov ntsuas tseem ceeb kom ua tiav cov teeb liab kev ncaj ncees. Thaum tsim PCB txheej, ua raws li cov cai hauv qab no:

1. Lub dav hlau siv yuav tsum yog lub dav hlau hauv av. Kev siv hluav taws xob thiab lub dav hlau hauv av tuaj yeem siv ua lub dav hlau siv, thiab ob qho tib si muaj qee yam kev tiv thaiv. Txawm li cas los xij, kev tiv thaiv lub zog ntawm lub dav hlau muab hluav taws xob qis dua li ntawm lub dav hlau hauv av vim tias nws muaj tus yam ntxwv zoo dua qub thiab muaj peev xwm sib txawv loj dua ntawm lub dav hlau muab hluav taws xob thiab qib hauv av siv.

2. Cov digital Circuit thiab analog Circuit yog txheej. Kev tso cai tus nqi tsim nyob qhov twg, nws yog qhov zoo tshaj los teeb tsa digital thiab analog circuits ntawm cov txheej sib cais. Yog hais tias yuav tsum xav kom npaj nyob rau hauv tib txheej txheej, siv tau ditch, ntxiv earthing kab, txoj kev xws li faib kab los kho. Analog thiab digital zog thiab hauv av yuav tsum sib cais, tsis txhob sib xyaw.

3. Lub teeb liab tseem ceeb ntawm cov txheej uas nyob ib sab tsis hla thaj tsam segmentation. Cov teeb liab yuav tsim lub teeb liab loj nyob thoob plaws hauv cheeb tsam thiab tsim hluav taws xob muaj zog. Yog hais tias lub teeb liab cable yuav tsum hla qhov chaw thaum lub hauv av cable muab faib, ib qho taw tes tuaj yeem txuas nrog hauv av los tsim ib qho kev sib txuas ntawm ob lub ntsiab lus hauv av, thiab tom qab ntawd cov cable tuaj yeem hla dhau ntawm tus choj txuas.

4. Yuav tsum muaj lub dav hlau hauv av ua tiav hauv qab ntu tiv thaiv. Kev ncaj ncees ntawm lub dav hlau hauv av yuav tsum tau tswj kom deb li deb tau rau phaj ntau txheej. Tsis muaj kab teeb liab ib txwm tso cai kom khiav hauv dav hlau.

5, kev ua haujlwm siab, nrawm, moos thiab lwm yam kab cim tseem ceeb yuav tsum muaj lub dav hlau hauv av nyob ib sab. Nyob rau hauv txoj kev no, qhov kev ncua deb ntawm kab teeb liab thiab kab hauv av tsuas yog qhov kev ncua deb ntawm PCB txheej, yog li qhov tseeb tam sim no ib txwm ntws hauv cov kab hauv av ncaj qha hauv qab cov kab teeb liab, tsim cov teeb liab me tshaj plaws hauv cheeb tsam thiab txo cov hluav taws xob.

Yuav ua li cas tsim lub teeb liab ntawm kev ncaj ncees PCB

PCB layout tsim

Qhov tseem ceeb ntawm kev teeb tsa kev ncaj ncees tsim ntawm pawg thawj coj luam ntawv yog teeb tsa thiab txuas, uas cuam tshuam ncaj qha rau kev ua haujlwm ntawm PCB. Ua ntej teeb tsa, PCB qhov loj me yuav tsum txiav txim siab kom ua tau raws li qhov ua tau ntawm tus nqi qis tshaj. Yog tias PCB loj dhau thiab faib tawm, txoj kab sib kis yuav ntev heev, ua rau muaj kev cuam tshuam ntau ntxiv, txo suab nrov tsis kam, thiab nce nqi. Yog tias cov khoom sib xyaw tau muab tso ua ke, kev tso cua sov tsis zoo, thiab kev sib txuas ua ke yuav tshwm sim hauv cov xov txuas uas nyob ib sab. Yog li ntawd, kev teeb tsa yuav tsum yog ua raws chav ua haujlwm ntawm lub Circuit Court, thaum txiav txim siab hluav taws xob sib xws, cov cua sov thiab cov yam cuam tshuam.

Thaum tso tawm PCB nrog sib xyaw cov cim digital thiab cov cim sib xws, tsis txhob sib xyaw cov cim digital thiab analog. Yog tias analog thiab digital cov cim yuav tsum tau sib xyaw, nco ntsoov kab kab ntsug kom txo tau qhov cuam tshuam ntawm kev sib koom tes. Cov digital Circuit, analog Circuit Court, thiab tsim hluav taws xob tsim hluav taws xob ntawm lub rooj tsav xwm hauv Circuit Circuit yuav tsum raug sib cais, thiab cov kab hluav taws xob nkag siab yuav tsum tau khiav ua ntej, thiab txoj kev sib txuas ntawm cov kab hluav taws xob yuav tsum raug tshem tawm. Tshwj xeeb, xav txog lub moos, rov pib dua thiab cuam tshuam cov kab, tsis txhob cuam tshuam cov kab no nrog cov kab hloov pauv tam sim no, txwv tsis pub yooj yim puas los ntawm kev sib txuas hluav taws xob sib nqus, ua rau rov pib dua lossis cuam tshuam. Tag nrho layout yuav tsum ua raws li cov hauv qab no:

1. Kev faib ua haujlwm faib tawm, cov khoom siv sib piv thiab cov hluav taws xob hauv PCB yuav tsum muaj qhov sib txawv sib txawv.

2. Raws li txheej txheem txheej txheem teeb tsa los teeb tsa chav ua haujlwm hauv Circuit Court, kom lub teeb liab ntws kom tswj tau tib txoj kev.

3. Siv cov khoom tseem ceeb ntawm txhua qhov chaw ua haujlwm hauv Circuit Court ua qhov chaw, thiab lwm yam khoom siv tau teem ib ncig ntawm nws.

4. Txo qhov kev sib txuas ntawm cov khoom siv hluav taws xob ntau ntau li ntau tau thiab sim txo lawv cov kev faib tawm.

5. Yooj yim cuam tshuam cov khoom yuav tsum tsis txhob nyob ze ib leeg, cov khoom siv thiab cov khoom tsim tawm yuav tsum nyob deb.

Yuav ua li cas tsim lub teeb liab ntawm kev ncaj ncees PCB

PCB thaiv kev tsim

Txhua kab teeb liab yuav tsum raug cais ua ntej PCB thaiv. Ua ntej ntawm tag nrho cov, moos kab, rhiab teeb liab kab, thiab ces high-ceev teeb liab kab, nyob rau hauv thiaj li yuav xyuas kom meej tias cov hom ntawm cov teeb liab los ntawm lub qhov yog txaus, tis tsis muaj cov yam ntxwv zoo, thiab ces dav dav tsis tseem ceeb teeb liab kab.

Cov kab hluav taws xob tsis sib xws yuav tsum nyob deb ntawm ib leeg thiab tsis txhob sib txuas txuas, xws li digital thiab analog, kev kub ceev thiab qis qis, siab tam sim no thiab me me tam sim no, siab voltage thiab tsawg voltage. Cov kab hluav taws xob teeb tsa ntawm cov txheej sib txawv yuav tsum tau hloov pauv mus rau ib leeg kom txo qis kev sib tshuam. Kev npaj cov kab teeb liab tau zoo tshaj plaws raws li cov lus qhia khiav ntawm lub teeb liab. Cov kab teeb liab tso tawm ntawm kab hluav taws xob yuav tsum tsis txhob rov qab mus rau thaj chaw teeb liab kab lus. Cov kab teeb liab ceev ceev yuav tsum ceev kom luv li sai tau kom tsis txhob cuam tshuam nrog lwm cov kab teeb liab. Ntawm lub vaj huam sib luag ob npaug, yog tias tsim nyog, cov xov hluav taws xob sib cais tuaj yeem muab ntxiv rau ob sab ntawm txoj kab hluav taws xob nrawm. Txhua txoj kab nrawm hauv kab ntawm lub rooj tsav xwm ntau txheej yuav tsum tau thaiv raws li qhov ntev ntawm kab kab.

Cov hauv paus ntsiab lus rau kev thaiv yog:

1. Kom deb li deb tau los xaiv qhov tsim hluav taws xob qis, thiab teeb liab thaiv kom deb li sai tau qhov tuab tuab, ua kom haum rau qhov cuam tshuam cuam tshuam. Txog rf Circuit, qhov tsim tsis tsim nyog ntawm teeb liab kab kev taw qhia, dav thiab kab sib nrug yuav ua rau cuam tshuam kev cuam tshuam ntawm cov teeb liab kis kab.

2. Kom deb li deb tau kom tsis txhob muaj cov tswv yim nyob ib sab thiab tso tawm cov xov hluav taws xob thiab cov xov hluav taws xob sib nrug ntev. Yuav kom txo qis kev sib tshuam ntawm kab teeb liab, qhov sib nrug ntawm cov kab teeb liab tuaj yeem nce ntxiv, lossis siv txoj hlua sib cais tuaj yeem tso nruab nrab ntawm kab teeb liab.

3. Kab dav ntawm PCB yuav tsum yog ib yam thiab tsis muaj kab dav kev hloov pauv yuav tsum tshwm sim. PCB txoj hlua khoov yuav tsum tsis txhob siv 90 degrees kaum, yuav tsum siv arc lossis 135 degrees Lub, kom deb li deb tau kom tswj tau qhov txuas ntawm kab kev cuam tshuam.

4. Tsawg thaj tsam ntawm lub voj tam sim no. Sab nraud hluav taws xob siv hluav taws xob ntawm cov khoom siv hluav taws xob tam sim no yog proportional rau qhov tam sim no dhau los, lub voj voog cheeb tsam thiab lub xwmfab ntawm lub teeb liab zaus. Txo cov voj voog tam sim no tuaj yeem txo qhov cuam tshuam ntawm ELECTROMAGNETIC ntawm PCB.

5. Kom deb li deb tau kom txo tau qhov ntev ntawm cov xov hlau, nce qhov dav ntawm cov xaim, yog qhov muaj txiaj ntsig zoo los txo qhov cuam tshuam ntawm cov xaim.

6. Rau kev hloov pauv cov cim, tus lej SIGNAL PCB thaiv uas hloov lub xeev tib lub sijhawm yuav tsum raug txo kom deb li deb tau.