16allp22
General-purpose probing requires connecting probe leads to individual signal lines. It is
generally the most cumbersome method, but it is also the most flexible. Because of the
passive design of the probe, there are no active circuits at the outer end of the cable.
Ground Lead
(Long)
Ground Lead
(Short)
25
Probe Tip
Assembly
01650-61608
Probe Tip
Assembly
01650-61608
Probe Tip
Probe Lead
Logic Analyzer
Pod
The advantages of this are:
High input impedance. (See Equivalent Load.)
Signal ground at the probe tip for high-speed timing signals.
Inexpensive, removable probe tip assemblies.
Probe
Housing
Tip RC Network
Equivalent Load
8.2pF
250
ohm
370
ohm
90.9k
ohm
Signal Signal
To Logic
Analyzer
Pod
Ground Ground
Includes logic analyzer
Probing
Probing
General-Purpose Probing
HP Logic Analyzer Modules
7.4pF1.5pF
100k
ohm
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