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1
Getting Started
N2881A InfiniiMax DC Blocking Caps
The DC blocking capacitors are an accessory for the probes. The architecture of
the InfiniiMax probing system allows you to place the N2881A DC Blocking Caps in
between the probe amplifier and the probe head (as shown in the picture below).
These N2881A InfiniiMax DC Blocking Caps block out the DC component of the
input signal (up to 30 Vdc). The N2881A InfiniiMax DC Blocking Caps can be used
with the N2880A In-Line Attenuators. The order of the two products in the probing
system (i.e. which one is closest to the probe amplifier) does not matter.
Figure 15 Placement of DC Blocking Caps Between Probe Amplifier and Head
Figure 16
Blocking Caps (no probe included).
Figure 16 Graph of DC Blocking Cap insertion loss (S2,1) versus frequency (DC Blocking Cap
28
on page 28 shows the frequency response plot of the N2881A DC
only)
1130B-Series Probes User's Guide
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