FLUKE 282-U User Manual for the Fluke 282-U Arbitrary Waveform Generator and Manager, 40 MS/s, 2 Channel

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Arbitrary Waveform Generation

Output Filter Setting 9

Pressing the front panel MAN HOLD key stops the waveform at the current level on all

enabled channels; pressing MAN HOLD a second time restarts the waveform from that

level. If the ARB HOLD INPUT screen is currently selected the status field will

change from no hold to manual hold while the waveform is paused.

A logic low or switch closure at the rear panel HOLD IN socket also stops the waveform

at the current level on all enabled channels; a logic high or switch opening restarts the

waveform from that level. If the ARB HOLD INPUT screen is currently selected the

status field will change from no hold to ext. hold while the waveform is

paused.

If, while the waveform is held by either of the above means, the MAN TRIG key is

pressed the waveform is reset to its first point; the waveform will restart from this point

when MAN HOLD is pressed again or a high is applied to the rear panel HOLD IN

socket.

Output Filter Setting

The output filter type is automatically chosen by the software to give the best signal

quality for the selected waveform. The choice can, however, be overridden by the user

and this may be a frequent requirement with arbitrary waveforms.

To change the filter settings, press the FILTER key to call the FILTER SETUP

screen:

FILTER SETUP

mode: auto

type: 10MHz eliptic

The default mode is auto which means that the software selects the most appropriate

filter. With the setting on auto the type can be changed manually but the choice will

revert to the automatic selection as soon as any relevant parameter is changed.

To override the automatic choice press the mode soft-key to select manual.

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FLUKE 282-U Arbitrary Waveform Generator and Manager, 40 MS/s, 2 Channel