Ma o ka lua EMI ferrite bead
Hōʻike:
Hoʻohana kūikawā ʻia ka inductor e hoʻopaʻa i ka leo kiʻekiʻe a me ka hoʻopiʻi kiʻekiʻe o ka laina hōʻailona a me ka laina mana, a loaʻa nō hoʻi ka hiki ke komo i ka pulse electrostatic. Hoʻohana ʻia nā peʻa magnetic e hoʻopaʻa i nā hōʻailona UHF. No ka laʻana, pono e hoʻohui i nā ʻāpana RF, PLL, oscillation circuits a me UHF memory circuits (ddrsdram, Rambus, etc.) e hoʻohui i nā peʻa magnetic i ka ʻāpana hoʻokomo o ka lako mana. ʻO ka Inductor kahi mea e mālama ai i ka ikehu, i hoʻohana ʻia i ka LC oscillation circuit, medium and low frequency filter circuit, a me nā mea ʻē aʻe. He kiʻekiʻe ke kūpaʻa a me ka permeability i nā peʻa magnetic, e like me ka pilina pili o ke kū'ē a me ka inductance, akā ʻokoʻa ke kū'ē a me ka inductance me ke alapine.
ʻAʻole hiki ke hoʻohana ʻia nā peʻa Ferrite no ka kānana ʻana i ka leo alapine kiʻekiʻe i nā kaapuni mana (no ka DC a me AC output), akā e hoʻohana nui ʻia i nā kaʻa ʻē aʻe, a hiki ke hoʻemi ʻia ko lākou leo. ʻOi loa i nā kaapuni kikohoʻe, no ka mea, loaʻa i ka hōʻailona pulse nā harmonics high-frequency, ʻo ia hoʻi ke kumu nui o ka radiation kiʻekiʻe-frequency i ke kaapuni, hiki iā ia ke pāʻani i ka hana o nā peʻa magnetic i kēia manawa. Hoʻohana nui ʻia nā peʻa Ferrite ʻO ke kānana kani o nā kaula hōʻailona.
Pono:
1.kaohi i ka leo alapine kiʻekiʻe a me ke keakea kiʻekiʻe o ka laina hōʻailona a me ka laina mana
2. kiʻekiʻe resistivity a me ka permeability
3. ʻO ka hana ʻino, nā ana kūʻē no FCC, VDE
4. EMI/RFI Hoʻopau
5. Hiki ke hoʻopilikino i kahuahanae like me kāu noi.
Nui a me nā ana:
Nā waiwai uila:
Nā waiwai uila:
2-impedance min - (@ 100MHz) 60 Ohms
3-Uea = AWG 33 - Anawaena 0.18 mm
Nānā: no nā mea a pau =μiac ~ 300
Noi:
1. Lako kelepona
2. Lako launa ole.
3. Nā huahana kamepiula
4. Nā noi uila maʻamau kahi e noi ʻia ai ke kāohi EMI/RFI.