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

1. NEW HiSAFE PROBE for 10+Gbps Fault Insertion Preliminaryresults on prototypesof the newdifferential probe By Piero Belforte, March 2010

2. Test setup As test setup the OL1 microstrip pairhasbeenutilized:http://www.youtube.com/watch?v=r8MJrkzqRL0 The test setupwassimulated in a fullyterminatedconfiguration (differential mode) withidealdifferentialgenerators at transmitter end The probe loadingeffectsweresimulated inserting the probe at the twolineends

3. DIFFERENTIAL MICROSTRIP (OL1)

4. Probe model The simulativemodelof the probe prototypehasbeenextractedfrom 2 one-port TDR measurements (50 ohm reference) on anactualprototype The modelextraction and setupsimulationshavebeenperformedusing the DWS simulator

5. DWS sim of the optimized Probe model (S11)

6. DWS setupnetlist (1)

7. DWS setupnetlist (2)

8. DWS setupnetlist (3)

9. 10Gbps Eyediagramsresults (1) Comparisonbetween the unloaded net and the net with the probe connected at the drivers’s end

10. 10Gbps Eyediagramsresults (2) Comparisonbetween the unloaded net and the net with the probe connected at the receiver’s end

11. Preliminaryconclusions (March 2010) New probe prototypeloading performance isgoodfor 10+Gbps Fault Insertionapplications Loadingeffect on jitterat 10Gbps: lessthan 1ps Eyediagramamplitudereduction: 3.5 db