OperatingBasics
12 P6330 3.5 GHz Differential Probe Instruction Manual
Probing Techniques to Maximize CMRR
The common-mode rejection of the probe is highest when the probe
is applied directly to the circuit, without using adapters. However,
some probing tasks are made easier using accessories included with
theprobe.Theaccessoriesshown in Figures3and4achieveahigh
CMRRbyminimizing the distance between the probe head and the
signal source.
Figure 3: Using the variable spacing adapter
ICleads being probed
TwinFootadapter
Squarepin adapter
Probe Insulated side of probe tip
Conductiveside
ofprobe tip
Figure 4: Using the TwinFoot adapter