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Tlhahlobo ea Impedans Control ea Boto ea PCB

  • 2021-12-08 17:07:18
Teko ea TDR hajoale e sebelisoa haholo ho PCB ea baetsi ba liboto tsa betri. liboto tsa potoloho tse hatisitsoeng ) mela ea matšoao le tlhahlobo ea impedance ea sesebelisoa.

Ho na le mabaka a mangata a amang ho nepahala ha tlhahlobo ea TDR, haholo-holo ho bonahatsa, ho lekanya, khetho ea ho bala, joalo-joalo Ho nahanisisa ho tla baka ho kheloha ho tebileng ho boleng ba teko ea mohala o mokhuts'oane oa pontšo ea PCB, haholo-holo ha TIP (probe) e sebelisetsoa tlhahlobo.Ho hlakile hore, hobane TIP le sebaka sa ho ikopanya le mohala oa mats'oants'o li tla etsa hore ho be le tšitiso e kholo ea ho emisa, ho etsa hore ho be le maikutlo, le ho etsa hore mokokotlo oa lets'oao la PCB o fetohe sebakeng sa lisenthimithara tse tharo kapa tse nne.

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Joalo ka mehala ea matšoao a nang le moeli o le mong, mela ea matšoao a fapaneng, lihokelo, joalo-joalo. Mofuta ona oa tlhahlobo o na le tlhoko, e leng ho kopanya le maemo a nnete a kopo.Mohlala, moeli o ntseng o phahama oa mohala oa lets'oao o ka bang 300ps, ebe moeli o nyolohang oa lets'oao la TDR output pulse o lokela ho beoa haufi le 300ps ho fapana le 30ps.Metsu e nyolohang ka ho le letšehali le ka ho le letona, ho seng joalo sephetho sa tlhahlobo se ka fapana haholo le ts'ebeliso ea 'nete.

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