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E2678A/B Differential Socketed Probe Head with Damped
Wire Accessory
Due to reflections on the long wire accessories, signals being probed should be limited to
N OT E
approximately £240 ps rise time measured at the 10% and 90% amplitude levels. This is
equivalent to approximately ¢ 1.5 GHz bandwidth.
Figure 206 Graph of 25Ω 240 ps step generator with and without probe connected.
Figure 207 Graph of Vin and Vout of probe with a 25Ω 240 ps step generator.
1130B-Series Probes User's Guide
0.2
Vsource
tr = 240 ps
0.15
0.1
V olts
0.05
0
-0.05
0
0.2
0.4
Vin
0.2
tr = 258 ps
0.15
0.1
V olts
0.05
0
-0.05
0
0.2
0.4
Vin
tr = 258 ps
0.6
0.8
1
1.2
Tim e (Seconds)
Vout
tr = 358 ps
0.6
0.8
1
1.2
Tim e (Seconds)
1134B Performance Data Plots
1.4
1.6
1.8
2
-9
x 10
1.4
1.6
1.8
2
-9
x 10
8
193
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