Ịwepụ nnyonye anya electromagnetic (EMI) site na PCB (akwụkwọ sekit sekit) nwere ike ịdị mgbagwoju anya ma chọọ ọtụtụ usoro.Ụfọdụ n'ime usoro ndị a kachasị mkpa bụ ndị a:
Chọpụta isi mmalite nke EMI:
Nzọụkwụ mbụ na mkpochapụ EMI bụ ịchọpụta isi mmalite nke ndabichi.Nzọụkwụ a gụnyere ileba anya n'usoro sekit na ịchọpụta ihe ndị dị ka oscillators, ndị na-agbanwe agbanwe na akara dijitalụ nke na-emepụta EMI.
Kwalite ntinye akụrụngwa:
Ịtụkwasị akụrụngwa na PCB na-enye ha uru kacha mma.Ihe nchekwa ma ọ bụ ihe nzacha na-enyere aka ikewapụ sekit ndị nwere mmetụta, ma ọ bụ na ị nwere ike ibugharị ihe ndị ahụ gburugburu iji belata ohere dị n'etiti ha.
1. Jiri usoro ntọ ala ziri ezi
Ịgba ala dị mkpa iji belata EMI.Iji belata ikike nke EMI, ịkwesịrị iji usoro ntọ ala ziri ezi.Nzọụkwụ a gụnyere iji ụgbọ elu ala raara onwe ya nye kewaa akara analog na dijitalụ, ma ọ bụ jikọọ ọtụtụ ihe na otu ụgbọ elu ala.
2. Tinye ihe nchebe na nzacha
N'ọnọdụ ụfọdụ, ihe ndị e ji echebe ma ọ bụ nzacha nwere ike inye aka wepụ EMI.ihe nzacha na-enyere aka iwepụ ugboro ugboro na-achọghị na mgbama, ebe nchekwa nwere ike inye aka gbochie EMI iru sekit ndị nwere mmetụta.
3. Nnwale na nkwenye
Mgbe emechara nhazi ahụ, ị ga-ahụrịrị na ị kpochapụrụ EMI nke ọma.Mwepụ a nwere ike ịchọ iji ihe nyocha EMI tụọ ihe ọkụ eletrik PCB, ma ọ bụ nwalee PCB n'ọnọdụ dị adị n'ezie iji hụ na ọ na-arụ ọrụ dịka atụmatụ.
Nnwale EMI n'ụdị PCB
Ịkwesịrị ịnwale EMI na nhazi PCB gị ma ọ bụrụ otú ahụ, nkọwa ndị a kwesịrị inyere gị aka ịgagharị.Mgbe nke ahụ gasịrị, ị ga-achọ ịgbaso usoro ndị a:
1. Kọwaa njirisi ule
Kọwaa oke ugboro ole, ụzọ nnwale na oke.Ụkpụrụ ngwaahịa kwesịrị ikpebi njirisi ule.
2. Nnwale akụrụngwa
Hazie ihe nnata EMI, generator, spectrum analyzer na oscilloscope.Ekwesịrị ịhazi ngwa ahụ na nyochaa tupu nnwale.
3. Kwadebe PCB
Maka ebumnuche nnwale, jide n'aka na ị wụnye akụrụngwa niile nke ọma wee kwado PCB nke ọma site na ijikọ ya na akụrụngwa nnwale.
4. Mezue ule ikuku ikuku
Iji mee ule a na-agbapụta ọkụ, tinye PCB n'ime ụlọ anechoic wee bufee mgbama na igwe na-emepụta mgbama mgbe ị na-eji onye nnata EMI na-atụ ọkwa ikuku ọkụ.
5. Emere ule ikuku
Emere ule emission site n'itinye akara n'ime ike na ahịrị mgbama nke PCB, ka a na-atụkwa ọkwa ikuku e mere na onye nnata EMI.
6. Nyochaa nsonaazụ ya
Nyochaa rịzọlt ule iji chọpụta ma PCB chepụtara ọ dabara n'ụkpụrụ ule.Ọ bụrụ na nsonaazụ ule ahụ emezughị njiri mara, chọpụta ebe ihe na-esi na ya pụta wee mee ihe ndozi, dị ka ịgbakwunye mkpuchi EMI ma ọ bụ nzacha.
Nkọwapụta Ụlọ ọrụ
Zhejiang NeoDen Technology Co., Ltd. na-arụpụta na mbupụ dị iche iche obere pick na ebe igwe kemgbe 2010. N'iji uru nke anyị ọgaranya ahụmahụ R & D, ọma zụrụ mmepụta, NeoDen na-enwetara oké aha si n'ụwa dum ahịa.
na ọnụnọ zuru ụwa ọnụ na mba 130, arụmọrụ kachasị mma, izi ezi dị elu na ntụkwasị obi nke igwe NeoDen PNP na-eme ka ha zuo oke maka R&D, prototyping ọkachamara na obere mmepụta ogbe.Anyị na-enye ngwọta ọkachamara nke otu nkwụsị SMT akụrụngwa.
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Oge nzipu: Mee-06-2023