Enwere ọtụtụ iwu imewe PCB.Ihe na-esonụ bụ ihe atụ nke oghere nchekwa eletrik.Ntọala iwu eletrọnịkị bụ bọọdụ sekit imewe na wiring ga-agbaso iwu, gụnyere ebe nchekwa nchekwa, oghere mepere emepe, ntọala okirikiri mkpụmkpụ.Ntọala nke parampat ndị a ga-emetụta ọnụ ahịa mmepụta, ihe isi ike imewe na izi ezi nke PCB emebere, na ekwesịrị ka a gwọọ ya nke ọma.

1.Clearance Iwu

PCB imewe nwere otu oghere netwọk, dị iche iche netwọk nchekwa ohere, ndị ọzọ, akara obosara kwesịrị ka edobe, ndabara ahịrị obosara na spacing bụ 6mil, ndabara spacing bụ 6mil, nke kacha nta akara obosara ka atọrọ 6mil, na-atụ aro uru ( obosara wiring ndabara) ka atọrọ na 10mil, nke kachasị ka edobere na 200mil.Ntọala akọwapụtara dị ka ihe isi ike nke ntọala wiwi osisi si dị.

The set line obosara na spacing dịkwa mkpa ka e kpakorita na PCB emeputa n'ọdịnihu, n'ihi na ụfọdụ ndị na-emepụta nwere ike ọ gaghị enwe ike nweta set line obosara na spacing n'ihi nsogbu nke usoro ikike, na nta akara obosara na spacing. ọnụ ahịa dị elu.

2.Line spacing 3W iwu

Emebere ihe niile na ahịrị elekere, ahịrị dị iche, vidiyo, ọdịyo, ahịrị nrụpụta na ahịrị sistemụ ndị ọzọ dị oke egwu.Mgbe ọtụtụ waya mgbaama na-agba ọsọ na-eme njem dị anya, iji wedata mkparịta ụka n'etiti ahịrị, oghere ahịrị kwesịrị ibu oke.Mgbe oghere etiti ahịrị na-erughị 3 ugboro n'obosara ahịrị, ọtụtụ mpaghara eletrik enweghị ike igbochi ibe ha, nke bụ iwu 3W.Iwu 3W na-eme ka 70% nke ubi ghara itinye aka na ibe ya, yana site na 10W spacing, 98% nke ubi nwere ike nweta n'enweghị ihe mgbochi.

3.20H iwu maka oyi akwa

Iwu 20H na-ezo aka na 20H dị anya n'etiti oyi akwa na-enye ike na nhazi, nke bụ n'ezie igbochi mmetụta radieshon ihu.N'ihi na ọkụ eletrik dị n'etiti oyi akwa na ala na-agbanwe, nnyonye anya electromagnetic ga-apụta na nsọtụ efere ahụ, nke a na-akpọ mmetụta ihu.Ihe ngwọta bụ ịkụda oyi akwa ọkụ ka ọkụ eletrik na-ebufe naanị n'ime oke ala.Na otu H (ọkpụrụkpụ nke ọkara n'etiti isi iyi ike na ala) dị ka unit, 70% nke ọkụ eletrik nwere ike na-amachibido na nsọtụ nke ala na nkwekọrịta nke 20H, na 98% nke ọkụ eletrik nwere ike. a ga-ejide ya na nkwekọrịta nke 100H.

4.Influence nke impedance line spacing

Usoro mgbagwoju anya nke njikwa impedance nwere ahịrị mgbama abụọ dị iche.Ihe nrịbama ntinye na njedebe onye ọkwọ ụgbọ ala bụ ụdị mgbaama abụọ nke polarity dị iche, nke a na-ebute site na ahịrị abụọ dị iche iche, na-ewepụkwa akara abụọ dị iche na njedebe nnata.A na-ejikarị usoro a na sekit analọgụ dijitalụ dị elu maka iguzosi ike n'ezi ihe ka mma na nguzogide mkpọtụ.Ihe mgbochi ahụ dabara na oghere ahịrị dị iche, ma ka oghere ahịrị dị iche na-abawanye, nke ahụ na-abawanye.

5.Electrical creepage anya

Mwepu ọkụ eletrik na anya creepage dị mkpa na PCB imewe nke nnukwu ọkụ eletrik na-agbanwe ọkụ.Ọ bụrụ na nkwụsị eletrik na ebe dị anya dị ntakịrị, ọ dị mkpa ịṅa ntị na ọnọdụ nkwụsị.Oghere creepage na oghere eletrik N'oge imewe PCB, enwere ike idozi ọdịiche eletrik site na nhazi iji dozie oghere site na mpe mpe akwa gaa na pad.Mgbe ohere PCB siri ike, enwere ike ịbawanye oghere creepage site na ịkwa akwa.