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General Purpose Passive Probes - N2870A-76A Passive Probes
• Small 2.5 mm probe tip
• Replaceable spring-loaded probe
tip for reliable contact
• 1:1, 10:1, 20:1 and 100:1 attenuation
ratios with auto probe ID readout
• Wide compensation range for a
variety of scope inputs
• Comes with various probe tip
accessories
• Optional probe accessory kits
• N2873A, 500 MHz, 10:1 probe
ships with the 9000 Series
Infiniium oscilloscope
The N2870A Series passive probe family
sets new standards in high performance
probing of up to 1.5 GHz bandwidth. These
general purpose probes and accessories
offer high quality measurements at a very
reasonable price.
Compact 2.5-mm probe head diameter, low
input capacitance, and various fine-pitch
probe tip accessories make the Agilent
N2870A Series passive probes ideal for
probing densely populated IC components
or surface-mount devices used in today’s
high-speed digital applications. The sharp
probe tip is spring loaded to help engineers
keep the probe from slipping off the device
under test. Insulating IC caps keep the small
probe tip centered on the IC lead and keep
it from shorting adjacent leads. Standard flat
blade ground connector and self-adhesive
copper ground pads help reduce ground
inductance, while offering easy ground
access. Optional probe tip accessories pro-
vide specialized capabilities for demanding
applications.
The N2873A 500 MHz passive probe ships
with Agilent’s 9000 Series Infiniium oscil-
loscope.
Electrical characteristics
N2873A 500 MHz passive probe with standard accessories
Model
Number
Bandwidth
(-3 dB)
Attenuation
Ratio* Input C
Input R*
(Scope and
probe)
Max Input
Voltage
(AC RMS)
Scope
Input
Coupling
Scope
Comp
Range
N2870A 35 MHz 1:1 39 pF (+oscilloscope) 1 MΩ 55V CAT II 1 MΏ ―
N2871A 200 MHz 10:1 9.5 pF 10 MΩ 400 V CAT I
300 V CAT II
1 MΩ 10-25 pF
N2872A 350 MHz 10:1 9.5 pF 10 MΩ 400 V CAT I
300 V CAT II
1 MΩ 10-25 pF
N2873A 500 MHz 10:1 9.5 pF 10 MΩ 400 V CAT I
300 V CAT II
1 MΩ 10-25 pF
N2874A 1.5 GHz 10:1 1.8 pF 500 Ω 8.5 V CAT I 50 Ω ―
N2875A 500 MHz 20:1 5.6 pF 20 MΩ 400 V CAT I
300 V CAT II
1 MΩ 7-20 pF
N2876A 1.5 GHz 100:1 2.2 pF 5 kΩ 21 V CAT I 50 Ω ―
Common to all
Probe ID readout: Compatible with Agilent’s InfiniiVision and Infiniium Series oscilloscopes
Note *Denotes warranted specifications, all others are typical. Attenuation ratio= ± 2% at DC, Input R (probe only, N2870A excluded)= ±1%
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