4 Layer FR4 ENIG Impedance Control PCB
Impedans Control PCB
Tabeng ea ho fetisoa ha lipontšo tse phahameng tsa maqhubu, ho thibela ho laoloa ho thusa ho etsa bonnete ba hore letšoao ha le senyehe haholo nakong ea phetisetso.Ha e le hantle, impedance e laoloang e bolela ho bapisa thepa ea thepa ea substrate ho litšobotsi tsa mola / dielectric lera ho netefatsa hore boleng ba impedance ea lets'oao la mohala bo ka har'a mamello ea boleng ba referense.Li-PCB tse laoloang tsa impedance li fana ka litšobotsi tse ka tšeptjoang le tse tsitsitseng tse phahameng.
Likopo tsa The Impedans Control PCB
Lebokose la Marang-rang, TV, papali ea video, khamera ea digital, GPS
Mehala ea puisano ea analog le ea dijithale
Lik'homphieutha, matlapa, liselefouno
Ts'ebetso ea matšoao a video
Mojule oa taolo ea motlakase
Kamano Pakeng Tsa Tšobotsi Impedance Factors
Ho latela pono ea tlhahiso ea PCB, lintlha tsa bohlokoa tse amang ts'ebetso ke tse latelang:
- Bophara ba mola (W),boiphetetso bo fokotseha ka keketseho ea bophara ba mola.
- Bohole ba mola (li-),bohole bo eketseha ka keketseho ya bohole.
-Botenya ba mela (T),ho fokotseha hoa fokotseha ka ho eketseha ha botenya ba mela.
- Botenya ba dielectric (H),ha botenya ba dielectric bo boholo, ho na le ho holofala ho hoholo.
- Dielectric kamehla (DK),ha dielectric constant e phahame, e nyane ho feta tekano.