New Hi Safe Probe For 10+Gbps Fault Insertion

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Preliminary performance results for a new HiSAFE probe type for 10Gbps Fault Insertion applications are shown.

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New Hi Safe Probe For 10+Gbps Fault Insertion

  1. 1. NEW HiSAFE PROBE for 10+Gbps Fault Insertion<br />Preliminaryresults on prototypesof the newdifferential probe<br />By Piero Belforte, March 2010<br />
  2. 2. Test setup<br />As test setup the OL1 microstrip pairhasbeenutilized:http://www.youtube.com/watch?v=r8MJrkzqRL0<br />The test setupwassimulated in a fullyterminatedconfiguration (differential mode)<br />withidealdifferentialgenerators at transmitter end<br />The probe loadingeffectsweresimulated<br />inserting the probe at the twolineends<br />
  3. 3. DIFFERENTIAL MICROSTRIP (OL1)<br />
  4. 4. Probe model<br />The simulativemodelof the probe prototypehasbeenextractedfrom 2 one-port TDR<br />measurements (50 ohm reference) on anactualprototype<br />The modelextraction and setupsimulationshavebeenperformedusing the DWS simulator<br />
  5. 5. DWS sim of the optimized Probe model (S11)<br />
  6. 6. DWS setupnetlist (1)<br />
  7. 7. DWS setupnetlist (2)<br />
  8. 8. DWS setupnetlist (3)<br />
  9. 9. 10Gbps Eyediagramsresults (1)<br />Comparisonbetween the unloaded net and the net with the probe connected at the drivers’s end<br />
  10. 10. 10Gbps Eyediagramsresults (2)<br />Comparisonbetween the unloaded net and the net with the probe connected at the receiver’s end<br />
  11. 11. Preliminaryconclusions (March 2010)<br />New probe prototypeloading performance isgoodfor 10+Gbps Fault Insertionapplications<br />Loadingeffect on jitterat 10Gbps: lessthan 1ps<br />Eyediagramamplitudereduction: 3.5 db<br />

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