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Glossary
Glossary- 2
CSA7000 Series, TDS7000 Series, & TDS6000 Series Instruments User Manual
Area
Measurement of the waveform area taken over the entire waveform or the
gated region. Expressed in mixed amplitude and time units, such as
volt-seconds. Area above ground is positive; area below ground is negative.
Attenuation
The degree the amplitude of a signal is reduced when it passes through an
attenuating device such as a probe or attenuator. That is, the ratio of the input
measure to the output measure. For example, a 10X probe will attenuate, or
reduce, the input voltage of a signal by a factor of 10.
Automatic trigger mode
A trigger mode that causes the instrument to automatically acquire if
triggerable events are not detected within a specified time period.
Autoset
A function of the instrument that automatically produce s a stable wavefor m of
usable size. Autoset sets up front-panel controls based on the characteristics of
the active wavef or m. A successf ul autoset will set the volts/div, time/div, and
trigger leve l to produc e a cohere nt and stable wave for m display.
Average acquisition mode
In this mode, the instrument acquires and displays a waveform that is the
averaged result of several acquisitions. Averaging reduces the apparent noise.
The instrument acquires data as in the sample mode and then averages it
according to a specified number of averages.
Averaging
Displaying a trace that is the combined result of several acquisitions, thereby
reducing apparent noise.
Bandwidth
The highest frequency signal the instrument can acquire with no more than
3dB(× .707) attenuation of the original (reference) signal.
Burst width
A timing measurement of the duration of a burst.