Agilent Technologies 93000 SOC Series Training Manual page 424

User training part 1

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Device Characterization - AC Tests

Default Setting (from timing

or level set) or specified

start value (depends on TF)

Binary Search Algorithm

Search Algorithms – Binary

The next-complex search algorithm is binary. Here, the test is

performed at the defined search limits. If a pass/fail transition is indi-

cated, the search is started; otherwise a warning message occurs.

The parameter is set to halfway between the limits, and a functional

test is run again. Depending on whether this passes or fails, the param-

eter moves halfway again in the direction of expected pass/fail transi-

This is repeated until the maximum resolution of the parameter has

been reached. The test returns the pass value closest to the transition.

• very few steps needed, even for large search limits

• always highest possible resolution

Disadvantages:

• can miss anomalies in areas of large steps

Agilent 93000 SOC Series User Training Part 1, October 2004

15-1 Operating Principles

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