Ekwesịrị iwepụ ọla kọpa nwụrụ anwụ na nhazi PCB?

Ọ bụrụ na a ga -ewepụ ọla kọpa nwụrụ anwụ n’ime ya PCB imewe?

Ụfọdụ ndị mmadụ na -ekwu na ekwesịrị iwepụ ya maka ihe ndị a: 1. A ga -ebute nsogbu EMI. 2, kwalite ikike ịkpaghasị. 3. Ọla kọpa nwụrụ anwụ abaghị uru.

Ụfọdụ ndị mmadụ na -asị ka edobe ya, ihe kpatara ya nwere ike bụrụ: 1. Mgbe ụfọdụ nnukwu oghere adịghị mma. 2, mụbaa akụrụngwa nke bọọdụ, iji zere ihe na -ekwekọghị ekwe.

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Nke mbụ, anyị achọghị ịnwụ ọla kọpa (agwaetiti), n’ihi na agwaetiti ebe a iji mepụta mmetụta antenna, ọ bụrụ na ike radieshon gburugburu ahịrị buru ibu, ga -eme ka ike radieshon dị mma gburugburu; Ọ ga -etolitekwa mmetụta nnabata antenna, ga -ewebata nnyonye aka eletriki na wiwi gbara ya gburugburu.

Nke abụọ, anyị nwere ike ihichapụ obere agwaetiti. Ọ bụrụ na anyị chọrọ idobe mkpuchi ọla kọpa, agwaetiti ahụ kwesịrị ijikọ nke ọma na GND site na oghere ala iji mepụta ọta.

Nke atọ, ugboro ugboro, wiring nke capacitance kesara na bọọdụ sekit e biri ebi ga-arụ ọrụ, mgbe ogologo ya karịrị 1/20 nke ụda mkpọtụ nke kwekọrọ nfe, nwere ike mepụta mmetụta antenna, mkpọtụ ga-amalite site na wiwi, ọ bụrụ na enwere bụ ihe ọjọọ ejiri ọla kọpa kpuchie na PCB, mkpuchi ọla kọpa ghọrọ ngwa nke mkpọtụ mgbasa ozi, yabụ, na sekit dị elu, echela, Ala ebe ejikọtara na ala, nke a bụ “ala”, ga -abụrịrị ihe na -erughị λ/20, na oghere wired, na ala bọọdụ multilayer “ezigbo ntọala”. Ọ bụrụ na a na -emeso mkpuchi ọla kọpa nke ọma, mkpuchi ọla kọpa ọ bụghị naanị na -abawanye nke ugbu a, kamakwa ọ na -arụ ọrụ abụọ na mgbochi ndabichi.

Nke anọ, site na -egwu olulu ala, debe mkpuchi ọla kọpa nke agwaetiti ahụ, ọ bụghị naanị nwere ike rụọ ọrụ na igbochi ndabichi, kamakwa ọ nwere ike igbochi nrụrụ PCB.