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Tektronix MSO 4 B Serie Manual De Inicio Rápido página 19

Osciloscopios de señal combinada

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acquisition status (quick green flash = single acquisition acquired; solid green = waiting for trigger event). Pushing Single/Seq
again takes another single acquisition.
High Res applies unique finite impulse response (FIR) filters based on the current sample rate. This FIR filter maintains
the maximum bandwidth possible for that sample rate while rejecting aliasing. The filter removes noise from the oscilloscope
amplifiers and ADC above the usable bandwidth for the selected sample rate. Implementation of the filter in hardware, ahead of
the trigger and storage, reduces trigger jitter and enables using Fast Acq mode while in High Res mode.
High Res mode also guarantees at least 12 bits of vertical resolution. The number of bits of resolution is displayed in the
Acquisition badge at the bottom of the screen. The Horizontal badge also updates to show the sample rate and record length
settings while in High Res mode.
Clear deletes the current acquisitions and measurement values from memory.
2.
Multipurpose knobs: The Multipurpose knobs A and B move cursors and set parameter values in configuration menu input fields.
Selecting an menu field that can use a Multipurpose knob assigns the indicated knob to change the value in that input field. The ring
around each knob lights when you can use that knob to do an action. Push a Multipurpose knob to enable the Fine mode for making
smaller increment changes. Push the knob again to exit Fine mode.
3.
Trigger controls:
Force forces a trigger event at a random point in the waveform and captures the acquisition.
Level sets the amplitude level that the signal must pass through to be considered a valid transition. The color of the Level knob
LED indicates the trigger source except for dual-level triggers.
The Level knob is disabled when the trigger type requires two level settings or other trigger qualifiers (set from the Trigger
configuration menu). Push the knob to set the threshold level to 50% of the peak-to-peak amplitude range of the signal.
Slope sets the signal transition direction to detect for a trigger (low to high, high to low, or either direction). Push the button to
cycle through the selections. The Slope button is disabled when the trigger type requires other slope qualifiers (set from the
Trigger configuration menu).
Mode sets how the instrument behaves in the absence or presence of a trigger event:
4 Series B Mixed Signal Oscilloscopes MSO44B and MSO48B Quick Start Manual
Getting acquainted with your instrument
19

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Este manual también es adecuado para:

Mso44bMso46bMso48b