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Acquisition Controls

3-10

TDS3000B Serie s User Manual

Calculates average value

for each record point over

many acquisitions

Envelope

Average

Acquisition 1 2 3

Three acquisitions from one source Acquisition mode

Envelope uses Peak Detect mode

for each individual acquisition.

Average uses Sample mode for

each individual acquisition.

Finds highest and

lowest record points over

many acquisitions

Envelope. Use Envelope acquisition mode to capture the minimum

and ma ximum extremes of a signal over a specified number of

acquisitions (N). The enveloped waveform data acquisition clears

and then starts over after each N acquisitions. If you push the

SINGLE SEQ button, envelope acquisition stops after N acquisi-

tions. Use the general purpose knob to set the number of acquisi-

tions.

Average. Use Average acquisition mode to reduce random or

uncorrelated noise in the signal you want to display. The averaged

waveform is a running average over a specified number of

acquisitions (N). If you push the SINGLE SEQ button, average

acquisition stops after N acquisitions. Use the general purpose knob

to set the number of ac quisit ions.

Tektronix TDS3054B User Manual

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