[SI-LIST] TMDS Termination

  • From: "Mark Everhard" <mark@xxxxxxxxxxxxxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Fri, 2 May 2008 14:24:47 -0700

Hi all,
 

I am trying to find a way to switch a TMDS 50 ohm to 3.3V termination
on/off without interfering with the TMDS operation when in the off
state. This is the TMDS clock signal and the clock rate is 250MHz max.
When in the on state there will be no termination at the receiving end
and when in the off state there will be a termination at the receiving
end. Is there a way to do this and still maintain 50 ohm impedance at
2.5GHz?  

 

Regards,

Mark


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