01
Ubume bamandla enxulumene
Iphakethe zedijithali zihlala zifuna imijelo yediski, ngoko ke imijikelezo yemisinga iveliswa kwezinye izixhobo zesantya esiphezulu.
Ukuba umkhondo wamandla mde kakhulu, ubukho be-Inrush okwangoku iya kubangela ingxolo enkulu, kwaye le ngxolo iphambili iya kwaziswa kwezinye iimpawu. Kwisekethe esihamba ngesantya esiphakamileyo, kuya kubakho i-parasitic ye-parasicic, ukunganyangeki kweparasic kunye nengxolo enkulu, ke kuya kukhokelela kwisethi yeparasi kuya kukhokelela kwifreyithi ephezulu ye-voltage, enokukhubaza isekelo.
Ke ngoko, kubaluleke kakhulu ukongeza i-paypass cancecitor ye-Bypass phambi kwesixhobo sedijithali. Eyona nto iphambili kuyo amandla, amandla okusasaza anqunyelwe liqondo lokudlulisa, ke amandla amakhulu kwaye amandla amancinci adityaniswa ngokubanzi ukuze afezekise uluhlu olupheleleyo.
Khusela amabala ashushu: I-VIASS VIAS iya kuvelisa i-voids kwi-famiter yamandla kunye nomaleko ongezantsi. Ke ngoko, ukubekwa okungafanelekanga kwe-VIAs kungenzeka ukuba kwandise uxinano lwangoku kwiindawo ezithile zoncedo lwamandla okanye inqwelomoya. Ezi ndawo apho uxinikelelo lwangoku lubizwa ngokuba yindawo eshushu.
Ke ngoko, kufuneka sizame konke okusemandleni ethu ukuba siyiphephe le meko xa sibeka i-vias, ukwenzela ukuthintela inqwelomoya ukuba ihlulwe, ekugqibeleni iya kukhokelela kwiingxaki ze-EMC.
Ngokwesiqhelo yeyona ndlela ilungileyo yokuthintela amabala ashushu kukubeka i-vias kwipateni ye-mesh, kwaye i-demoning yangoku iyunifomu leyo, kwaye indlela yokubuya ayiyi kuba mde kakhulu, kwaye iingxaki ze-EMC aziyi kwenzeka.
02
Indlela yokugoba yomkhondo
Xa ibeka imigca yokuphazamiseka okuphezulu, kuphephe ukugoba imigca yomqondiso kangangoko kunokwenzeka. Ukuba kuya kufuneka ugobe umkhondo, ungayilandeli nge-angle egudileyo okanye ngasekunene, kodwa endaweni yoko sebenzisa i-ongile.
Xa ibeka imigca yokuphazamiseka okuphezulu, sihlala sisebenzisa imigca ye-Serpentine ukufezekisa ubude obulinganayo. Umgca ofanayo we-Serpentine iluhlobo lokugoba. Umgangatho wobubanzi, indawo yokuhlala, kunye nendlela yokugoba kufuneka zonke zikhethwe ngokubonakalayo, kwaye isithuba esifanele sihlangane nolawulo lwe-4w / 1.5w.
03
I-Signimoty Isonka
Ukuba umgama phakathi kwemigca ephakamileyo yesantya esiphezulu isondele kakhulu, kulula ukuvelisa i-crosstalk. Ngamanye amaxesha, ngenxa yesakhiwo, isakhelo sekhefu sebhodi kunye nezinye izizathu, umgama phakathi kwemigca yethu yesantya esiphezulu igqitha umgama ofanelekileyo, emva koko sinokunyusa umgama phakathi kwebhotile. umgama.
Ngapha koko, ukuba indawo yanele, zama ukonyusa umgama phakathi kwemigca emibini yesantya esiphezulu.
03
I-Signimoty Isonka
Ukuba umgama phakathi kwemigca ephakamileyo yesantya esiphezulu isondele kakhulu, kulula ukuvelisa i-crosstalk. Ngamanye amaxesha, ngenxa yesakhiwo, isakhelo sekhefu sebhodi kunye nezinye izizathu, umgama phakathi kwemigca yethu yesantya esiphezulu igqitha umgama ofanelekileyo, emva koko sinokunyusa umgama phakathi kwebhotile. umgama.
Ngapha koko, ukuba indawo yanele, zama ukonyusa umgama phakathi kwemigca emibini yesantya esiphezulu.
05
Ukuphazamiseka akuqhubekeka
Ixabiso lokufumana umkhondo ngokubanzi lixhomekeke kububanzi belayini yayo kunye nomgama phakathi komkhondo kunye nendiza yereferensi. Phantsi komkhondo, ukuthoba umzimba. Kwezinye iindawo zempatho nganye kunye neepads zesixhobo, umgaqo uyasebenza.
Xa i-pad ye-terminal ye-terminal ixhunyiwe kumgca ohamba ngesantya esiphezulu, ukuba i-pad inkulu kakhulu ngeli xesha, kwaye umgca wesantya esiphezulu senziwe ikakhulu, umkhondo omkhulu mncinci, kwaye umkhondo omxinwa kufuneka ube nembeko enkulu. Kule meko, ukunqongophala kokunyanzelwa kuya kwenzeka, kwaye ukubonakaliswa kwesiginali kuya kwenzeka ukuba inyanzelekile.
Ke ngoko, ukuze kusonjululwe le ngxaki, iphepha lobhedu elinqatshelwe lifakwe phantsi kwepad enkulu yesiphelo sendlela okanye isixhobo, kunye nemveliso ye-pad yepali ifakwe kwenye indawo yokuthatha i-Deednce uqhubeke.
UVias ngomnye umthombo we-discyntinue. Ukwenzela ukunciphisa le mpembelelo, ulusu olungeyomfuneko koluchwephesha onxulumene nomaleko wangaphakathi kunye ne-hine kufuneka isuswe.
Ngapha koko, olu hlobo lokusebenza lunokupheliswa zii-CAD izixhobo ngexesha uyilo okanye qhakamshela umvelisi wokusebenza kwe-PCB ukuphelisa ubhedu olungeyomfuneko kwaye uqinisekise ukuqhubeka kwembeko.
UVias ngomnye umthombo we-discyntinue. Ukwenzela ukunciphisa le mpembelelo, ulusu olungeyomfuneko koluchwephesha onxulumene nomaleko wangaphakathi kunye ne-hine kufuneka isuswe.
Ngapha koko, olu hlobo lokusebenza lunokupheliswa zii-CAD izixhobo ngexesha uyilo okanye qhakamshela umvelisi wokusebenza kwe-PCB ukuphelisa ubhedu olungeyomfuneko kwaye uqinisekise ukuqhubeka kwembeko.
Akuvumelekanga ukulungiselela i-vias okanye izinto kwisibini esihlukeneyo. Ukuba i-VIA okanye izinto zibekwe kwindawo ezahlukeneyo, iingxaki ze-EMC ziya kwenzeka kwaye zithintele i-discyntinunuuinununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununununinununununununununununununudununununununununununununununununununinunununununununue
Ngamanye amaxesha, ezinye zeentlobo zesantya esiphezulu sophawu oluphezulu kufuneka zidityaniswe uthotho malunga ne-candlacitors edibanisayo. I-Capacitor yeCapaciling nayo ifuna ukuba icwangciswe ngokulinganayo, kwaye iphakheji ye-Capacing ye-Coupling ayifanelanga ukuba inkulu kakhulu. Kucetyiswa ukuba usebenzise i-0402, 0603 nayo yamkelekile, kwaye ixhociwe ngaphezulu kwe-0805 okanye i-canocitors yecala le-ofisi yecala engasetyenziswanga.
Ngokwesiqhelo, i-VIAS iya kuvelisa i-Discyrinue enkulu yokuKhutshelwa, ukuze i-vial andreen i-sydrial Treen Liverial Tym, zama ukunciphisa iVias, kwaye ukuba ufuna ukusebenzisa i-VIAs, lungiselela ngendlela efanayo.
07
Ubude obulinganayo
Kumanyeko lophawu oluphezulu lwesantya, ngokubanzi, njengebhasi, ixesha lokufika kunye nexesha lesiphoso sexesha elithile phakathi kwemigca yomqondiso ngamnye kufuneka ithathelwe ingqalelo. Umzekelo, kwiqela leebhasi ezihamba ngesantya esiphezulu esiphezulu, ixesha lokufika kwayo yonke imigca yemiqondiso yedatha kufuneka iqinisekiswe kwimpazamo ethile yexesha lokuqinisekisa ukungqinelana kwexesha lokuseta kunye nexesha lokuseta. Ukuze sifezekise le mfuno, kufuneka siqwalasele ubude obulinganayo.
Umgca wesantya esiphezulu sokwahluka esiphezulu kufuneka uqinisekise ukuba ixesha elingqongqo lemigca emibini, kungenjalo unxibelelwano lunokusilela. Ke ngoko, ukuze ifezekise le mfuno, umgca wenyoka unokusetyenziswa ukufezekisa ubude obulinganayo, ngaloo ndlela uqhubela phambili i-Lag Refunce.
Umgca weSerpentine kufuneka ubekwe ngokomthombo wokuphulukana nobude, hayi kude kube sekupheleni. Kumthombo kuphela onokuthi imiqondiso kwiziphelo ezintle nezingalunganga zomgca owahlukileyo zidluliselwe ixesha elininzi.
Umgca weSerpentine kufuneka ubekwe ngokomthombo wokuphulukana nobude, hayi kude kube sekupheleni. Kumthombo kuphela onokuthi imiqondiso kwiziphelo ezintle nezingalunganga zomgca owahlukileyo zidluliselwe ixesha elininzi.
Ukuba kukho umkhondo emibini egobile kwaye umgama phakathi kwezi zinto zimbini zingaphantsi kwe-15mm, ukuphulukana nobude phakathi kwababini kuya kubuyekezana ngeli xesha, ngenxa yoko akukho mfuneko yokuba kubekho ixesha elide.
Kumalungu ahlukeneyo emigca yokwahlulahlula-hlula imiqondiso ephezulu, kufuneka babe nobude obulinganayo ngokuzimeleyo. I-VIAS, uthotho uthotho lokuphucula amandla, kwaye i-terminals iyonke imiqondiso ehamba-hlukeneyo yesantya eyahlulahlulwe yangamacandelo amabini, ke hlawula ingqalelo ekhethekileyo ngeli xesha.
Kufuneka ibe mde ngokwahlukeneyo. Kuba isoftware eninzi ye-EDA inika ingqalelo kuphela ukuba yonke intambo ilahlekile kwi-DRC.
Ukunxibelelana njengezixhobo zokubonisa i-LVDS, kuya kubakho izibini ezininzi ezahlukeneyo ngaxeshanye, kwaye iimfuno zemizuzu phakathi kweemvavanyo ezingqongqo kakhulu, kwaye iimfuno zokuchithisiswa kwexesha zincinci kakhulu. Ke ngoko, ngenxa yezibini ezinolwahlulo, sizifuna ngokubanzi ukuba zibe kwindiza enye. Yenza imbuyekezo. Kuba isantya sokuhambisa umqondiso sabahlukeneyo sahlukile.
Xa enye isoftware e-EDA ibala ubude bomkhondo, umkhondo ngaphakathi kwepali uya kubalwa ngaphakathi kobude. Ukuba ubude beMbuyekezo yenziwa ngeli xesha, iziphumo ziya kuphulukana nobude. Ke hlawula ingqalelo ekhethekileyo ngeli xesha xa usebenzisa isoftware ethile ye-EDA.
Ngalo naliphi na ixesha, ukuba unako, kuya kufuneka ukhethe umngxunya wokulinganisa ukunqanda isidingo sokwenza inyoka iqhume ixesha elide.
Ukuba imvume yendawo, zama ukongeza ilog encinci emvelaphi yomgca ofanelekileyo wokufezekisa imbuyekezo, endaweni yokusebenzisa umgca we-Serpentine ukuhlawula.