Muburyo bwo kwiga bwo kwigira igishushanyo mbonera cya PCB, Crosstalk nikibazo cyingenzi kigomba gumenyera. Nuburyo bwingenzi bwo kwamamaza hanze electonagnetic. Imirongo yerekana agaciro, imirongo igenzura, kandi i \ o ibyambu byatsinzwe. CrosStalk irashobora gutera imirimo idasanzwe yimizunguruko cyangwa ibice.
CrosStalk
Yerekeza ku mpururo zitifuzwa cyane ku buryo bwo kohereza burundu imirongo yegeranye kubera ko hateganijwe guhuza igihe cyo gukwirakwiza ibimenyetso. Uku kwivanga biterwa na Inductance na UBUHANZI BUKORESHEJWE MU BIKORWA. Ibipimo byikigereranyo cya PCB, umurongo wibimenyetso wandika, amashanyarazi aranga iherezo ryimperuka no kurangira, hamwe nuburyo bwo guhagarika umurongo bose bafite ingaruka zimwe namwe mubikorikori.
Ingamba nkuru zo gutsinda ibihome ni:
Ongera urugero rwubusa kandi ukurikize itegeko rya 3w;
Shyiramo insinga zishingiye ku kwigunga hagati yinsinga zibangikanye;
Gabanya intera iri hagati yindege hamwe nindege yubutaka.
Kugirango ugabanye ibihingwa hagati yumurongo, umurongo wa stacung ugomba kuba munini bihagije. Iyo umurongo wikigo kitari munsi yinshuro 3 umurongo, 70% wumurima wamashanyarazi urashobora kubikwa nta kwivanga, bitwa ubutegetsi bwa 3W. Niba ushaka kugera kuri 98% yumurima wamashanyarazi utabangamiye, urashobora gukoresha inshuro 10.
Icyitonderwa: Mubishushanyo mbonera bya PCB, ubutegetsi bwa 3 bwa 3 budashobora kuzuza byimazeyo ibisabwa kugirango twirinde gukumira.
Inzira zo Kwirinda Crostalk muri PCB
Kugirango wirinde gukumira muri PCB, injeniyeri urashobora gusuzuma uhereye kubintu bya PCB n'imiterere, nka:
1. Shyira kumurongo wibikoresho bya logique ukurikije imikorere no gukomeza imiterere ya bisi iyobowe cyane.
2. Gabanya intera ifatika hagati yibice.
3. Imirongo yihuta yikimenyetso nibigize (nka Crystal Ossillators) igomba kuba kure ya I / () Imigaragarire hamwe hamwe nibindi bice byoroshye kwivanga.
4. Tanga iherezo ryukuri kumurongo wihuta.
5. Irinde ibice birebire bihuriweho no gutanga incamake ihagije hagati ya tris kugirango igabanye guhuza.
6. Insinga ku bice byegeranye (microstrip cyangwa umurongo) bigomba kuba perpendicular kuri mugenzi wawe kugirango wirinde guhuza ubushobozi hagati.
7. Gabanya intera iri hagati yikimenyetso nindege yubutaka.
8. Gutandukanya no kwigunga amasoko yo hejuru-urusaku (isaha, I / O, guhuza cyane), kandi ibimenyetso bitandukanye byatanzwe mubice bitandukanye.
9. Ongera intera iri hagati yikintu cyibimenyetso bishoboka, gishobora kugabanya neza imikoreshereze ya camstalk.
10. Kugabanya Inductance yo kuyobora, irinde gukoresha imitwaro minini cyane hamwe na inzemu nkeya cyane mumuzunguruko, hanyuma ugerageze gutuza umutwaro wumuzunguruko uhuza Loq na Lokq. Kuberako umutwaro wo hejuru uzamura ubushobozi bwa camputelk, mugihe ukoresheje umutwaro wo hejuru cyane, kubera umuvuduko mwinshi ukorera, kandi mugihe ukoresheje ubukungu buke cyane, kubera uburoko bunini bukabije, ububiko bunini bwa Inductive, biziyongera.
11. Tegura ikimenyetso cyihuta cyihuta kumwanya wimbere wa PCB.
12. Koresha tekinoroji yo guhuza ikoranabuhanga kugirango umenye ubusugire bwicyemezo cya BT kandi irinde hejuru.
13. Menya ko kubimenyetso hamwe nimpande zizamuka vuba (tr≤3ns), kora ibintu byo kurwanya ibinyabuzima byo gupfunyika, hanyuma utegure imirongo yikimenyetso bibangamiwe na eft1b cyangwa esd kandi ntiyigeze ayungurura ku nkombe ya PCB.
14. Koresha indege yubutaka bishoboka. Umurongo w'ikimenyetso ukoresha indege yo hasi uzabona 15-20DB Kwanga 15-20DB ugereranije numurongo wibimenyetso udakoresha indege yubutaka.
.
16. Koresha insinga ziringaniye, insinga zikingiwe cyangwa insinga zo guhinga.
17. Akayunguruzo imirongo yerekana imirongo hamwe n'imirongo yoroshye.
18. Shiraho ibice no kwishongora uryamye hamwe no kugirira nabi cyane ibimenyetso bisa, hanyuma ugabanye intera iringaniye, kandi ugabanye intera ndende, kandi ugabanye intera ndende, kandi ugabanye intera ndende, kandi ugabanye intera ndende), ingamba zingana), izi ngamba zirashobora kugabanya uburebure bwamoko.