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Atec Agilent-346a User Manual

Page 5

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5

Selecting the Optimum Probing Strategy
For All Agilent Logic Analyzers with 40-pin Pod Connectors

Go to page 9 for a discussion of
Agilent’s QFP package probing
solutions for logic analyzers.

Connecting to all the Pins of a Specific Package

Advantages

Limitations

Most flexible method.

Can be time-consuming to connect a large

Convenient for picking up signals that

number of channels.

may not be grouped conveniently on your

Least space-efficient method.

board with buses routed to connectors

Some accessories may compromise

(example: system clock, interrupts).

probe performance.

Go to page 12 for a discussion of Agilent’s
flying-lead logic analysis probes and
accessories for logic analyzers.

Connecting to Individual IC Pins or Test Points

Advantages

Limitations

Rapid access to all pins of fine-pitch

Requires minimal keep-out area.

QFP package.

Requires some time for installation of

Very reliable connections.

retainer on IC package.
May compromise probe performance.