General Purpose Probes Overview
Passive voltage probes are used
for general purpose probing and
are made with passive compo-
nents only such as wires, con-
nectors, capacitors and resistors
(when attenuation is required).
There are no active components
such as transistors or amplifiers
in the probe, and therefore pas-
sive voltage probes do not need
to be powered.
Model Probe Type Applications and Use Page
116XA Family Passive voltage General purpose, Infiniium replacement probes 4
(excluding the 1163A)
117XA Family Passive voltage Fine-pitched ICs, surface mount devices, and dense circuit boards 7
Passive Voltage Probe Advantages Limitations
116XA are rugged, economical, easy to use, 600 MHz maximum bandwidth
have high dynamic range and high input resistance Higher capacitive loading than active probes
117XA feature low mass, low weight, low tip 500 MHz bandwidth
capacitance compared to other passive probes Not as rugged as 116XA for browsing
Figure 2.1. Agilent 116XA standard
Infiniium replacement probe.
Figure 2.2. Agilent 117XA low mass probe
for fine-pitched ICs, SMDs, and dense
circuit boards.
General purpose probes are
available with attenuation ratios
of 1:1, 10:1, and 20:1. The 10:1
passive voltage probe is the most
commonly used probe, and is
supplied as a standard accessory
with all Infiniium oscilloscopes
having bandwidths ≤ 600 MHz.
3
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