Tektronix P7225, User Manual

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Operating Basics
P7225 2.5 GHz 10X Active Probe User Manual
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1.7 in Y lead adapter with 2 SMT KlipChips
Probe with only short ground pogo pin
Test pulse without probe
3 in Ground lead on square pin
Figure 5: Typical effects of using a probe tip adapter
Ground Lead Length
When you are probing a circuit, always use as short a ground lead as
possible between the probe head and circuit ground.
The series inductance added by the probe tip and ground lead can
result in a resonant circuit; this circuit may cause parasitic ringing
within the bandwidth of your host instrument. Refer to Figure 6.