Nkhani
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Thin-filimu Solar Cell
Thin film solar cell (thin film solar cell) ndi ntchito ina yapadera yaukadaulo wosinthika wamagetsi.M'dziko lamakono, mphamvu zakhala mutu wodetsa nkhaŵa padziko lonse lapansi, ndipo China sichikungoyang'anizana ndi kusowa kwa mphamvu, komanso kuipitsa chilengedwe.Mphamvu ya dzuwa, ngati mtundu wa ene...Werengani zambiri -
Ndi zinthu ziti zomwe zimakhudza PCB impedance?
Nthawi zambiri, zinthu zomwe zimakhudza kusakhazikika kwa PCB ndi: makulidwe a dielectric H, makulidwe amkuwa T, m'lifupi mwake W, malo otsetsereka, Er ya dielectric yosasinthika yazinthu zomwe zasankhidwa kuti zisungidwe, komanso makulidwe a chigoba cha solder.Nthawi zambiri, dielectri imakulirakulira ...Werengani zambiri -
Chifukwa chiyani muyenera kuphimba ndi golide wa PCB
1. Pamwamba pa PCB: OSP, HASL, HASL yopanda Lead, Tin Immersion, ENIG, Silver Immersion, Golide Wolimba, Kuyika golide pa bolodi lonse, chala chagolide, ENEPIG... OSP: mtengo wotsika, kugulitsa bwino, kusungirako movutikira, nthawi yochepa, umisiri wachilengedwe, kuwotcherera kwabwino, kosalala… HASL: nthawi zambiri zimakhala ...Werengani zambiri -
Gulu la resistors
1. Zopinga mabala a waya: zopinga za mabala a mawaya, zotchingira mabala olondola kwambiri, zotchingira mabala a waya, zopinga mawaya pafupipafupi.2. Thin film resistors: carbon film resistors, synthetic carbon film resistors, metal film resistors, metal oxide film resistors, che...Werengani zambiri -
Varactor diode
Diode ya varactor ndi diode yapadera yopangidwa mwapadera malinga ndi mfundo yakuti makulidwe a "PN junction" mkati mwa diode wamba akhoza kusintha ndi kusintha kwa magetsi ogwiritsidwa ntchito.The varactor diode imagwiritsidwa ntchito makamaka pamayendedwe apamwamba kwambiri ...Werengani zambiri -
Inductor
Inductor imagwiritsidwa ntchito mozungulira "L" kuphatikiza nambala, monga: L6 imatanthawuza nambala ya inductance 6. Mazenera opangira ma inductance amapangidwa ndi mawaya okhotakhota ozungulira mozungulira nambala inayake yotembenukira pamafupa otetezedwa.DC imatha kudutsa pa koyilo, kukana kwa DC ndikukana kwa ...Werengani zambiri -
Capacitor
1. Capacitor kawirikawiri amaimiridwa ndi "C" kuphatikiza manambala mu dera (monga C13 amatanthauza capacitor nambala 13).Capacitor imapangidwa ndi mafilimu awiri achitsulo oyandikana wina ndi mzake, olekanitsidwa ndi zinthu zotetezera pakati.Makhalidwe a capacitor ndi Iwo ...Werengani zambiri -
Maluso oyeserera a PCB akuwuluka
Nkhaniyi igawana njira monga kulumikizitsa, kukonza, ndi kuyesa ma board a warping poyesa mayeso owuluka okha.1. Counterpoint Chinthu choyamba choti tikambirane ndi kusankha ma counterpoints.Nthawi zambiri, mabowo awiri okha a diagonal ayenera kusankhidwa ngati zotsutsana.?) Musanyalanyaze...Werengani zambiri -
Miyezo yowongolera dera lalifupi la PCB - malo okhazikika afupikitsa
Chifukwa chachikulu ndikuti pali zokopa pamzere wa filimuyo kapena kutsekeka pazenera lokutidwa, ndipo mkuwa wowonekera pamalo okhazikika a anti-plating wosanjikiza umapangitsa kuti PCB ikhale yochepa.Kupititsa patsogolo njira: 1. Zoyipa zamakanema sayenera kukhala ndi trachoma, zokanda, ndi zina. Kanema wamankhwala ...Werengani zambiri -
Mawonekedwe a PCB yaying'ono-bowo makina kubowola
Masiku ano, ndikusintha mwachangu kwazinthu zamagetsi, kusindikiza kwa PCB kwakula kuchokera pama board akusanjikiza apitalo kupita ku matabwa amitundu iwiri ndi matabwa amitundu yambiri okhala ndi zofunikira zapamwamba kwambiri.Chifukwa chake, pali zofunikira zochulukira pakukonza board board ...Werengani zambiri -
Mfundo zazing'ono za PCB kukopera ndondomeko
1: Maziko osankha m'lifupi mwa waya wosindikizidwa: kutalika kochepa kwa waya wosindikizidwa kumagwirizana ndi zomwe zikuyenda pa waya: mzerewu ndi wochepa kwambiri, kukana kwa waya wosindikizidwa ndi kwakukulu, ndi kutsika kwa magetsi. pamzere ndi wamkulu, zomwe zimakhudza magwiridwe a...Werengani zambiri -
Chifukwa chiyani PCB yanu ndi yokwera mtengo kwambiri?(II)
4.Kuchuluka kwa zojambulazo zamkuwa kumapangitsa kusiyana kwa mtengo (1) Kuchepa kwa kuchuluka kwake, mtengo wake ndi wokwera mtengo kwambiri, chifukwa ngakhale mutachita 1PCS, fakitale ya bolodi iyenera kuchita zambiri zaumisiri, ndipo kunja kwa filimuyo, palibe ndondomeko yomwe imapangidwira. zofunika kwambiri.(2) Nthawi yobweretsera: Zomwe zimaperekedwa ...Werengani zambiri
