Digital Channels 17
InfiniiVision 7000B Series Oscilloscopes User’s Guide 375
figure). This high- frequency model takes into account pure tip capacitance
to ground as well as series tip resistance, and the cable’s characteristic
impedance (Z
o
).
Figure 36 DC and Low-Frequency Probe Equivalent Circuit
Figure 37 High-Frequency Probe Equivalent Circuit
150 W1 pF
7.5 pF
100 kW
250 W