Measurement-computing WavePort rev.3.0 Manuel d'utilisateur télécharger pdf (Page 139)

WavePort User’s Manual

04-28-00

Glossary xiii

Single-ended mode

Measurement of a voltage between a signal line and some reference that may be shared with other channels.

(Also see differential mode).

Trigger

An event to start a scan or mark an instant during an acquisition. A trigger can be a TTL signal, a specified

signal level, a button manually or mechanically engaged, or a software command.

TTL

Transistor-Transistor Logic (TTL) typically used to communicate logic signals where a logical 0 is defined by a

voltage level of <0.8V and logical 1 is defined as 2.4-5V.

Unipolar

A range of analog signals between zero and some positive value (e.g., 0 to 10 V).

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Measurement-computing WavePort rev.3.0 Manuel d'utilisateur Page 139