[SI-LIST] Why do we use transformer for DC blocking in ethernet connection ?

  • From: glenchen@xxxxxxxxxxxxx
  • To: si-list@xxxxxxxxxxxxx
  • Date: 23-Feb-2006 17:12:56 ZE8




Hi , all members of si-list ,
       In ethernet connection , we use transformer for DC blocking . While
in audio applications or other high speed links ,  we use capacit for DC
blocking .
Can we use capacitor for DC blocking in ethernet connection ?  Why ? What
is the difference between using transformer and using capacitor for DC
blocking ?
      I am very appreciated if anyone can give me the answer .

- Glen Chen
  SynerChip Tech .

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