Agilent Technologies 41A Spezifikationen PDF herunterladen (Seite 167)

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Minimum Transitions Stored Normally, transitions occur at a

relatively slow rate. A rate slow enough to insure at least one sample

with no transitions between the samples with transitions. This is

illustrated below with time-tags 2, 5, 7, and 14. When transitions happen

at this rate, two cycles are stored for every transition. This means that

with 2 Kbytes of memory, 1 Kbytes of transitions are stored. You must

subtract 1, which is necessary for a starting point, for a minimum of 1023

stored transitions.

Maximum Transitions Stored If transitions occur at a fast rate, such

that there is a transition at each sample point, only one sample is stored

for each transition as shown by time-tags 17 through 21 below. If this

continues for the entire trace, the number of transitions stored is

2 Kbytes. Again, you must subtract the starting point sample which then

yields a maximum of 2047 stored transitions.

In most cases a transitional timing trace is stored by a mixture of the

minimum and maximum cases. Therefore, the actual number of transitions

stored will be between 1023 and 2047.

Storing Time-tags and Transitions

The Format Menu

Timing Acquisition Mode Field (Timing only)

11–8

1 2 ... 162 163 164 165 166 167 168 169 170 171 172 ... 412 413

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