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Chapter 6: Connecting Accessories
General-purpose probing
General-purpose probing
NOTE: For all Agilent logic analyzers except 16517A, 16518A, 16760A, and
16753/54/55/56A.
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. There are no active circuits at the outer end of the cable due to the
passive design of the probe.
The advantages of general-purpose probing are:
• High-input impedance as shown in the equivalent load model below.
• Signal ground at the probe tip for high-speed signals.
• Inexpensive, removable probe tip assemblies.
Ground Lead
(Long)
Ground Lead
(Short)
Probe Tip
Probe Lead
Logic Analyzer
Pod
Probe
Housing
Probe Tip
Assembly
01650-61608
Equivalent Load
370
ohm
Signal
Ground
Includes logic analyzer
7.4pF1.5pF
100k
ohm