Agilent Technologies 16700 SERIES LOGIC ANALYSIS SYSTEM 16700 Guide d'installation télécharger pdf (Page 99)

Chapter 6: Connecting Accessories

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

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 149 150

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Agilent Technologies 16700 SERIES LOGIC ANALYSIS SYSTEM 16700 Guide d'installation Page 99