Teledyne-lecroy Spectrum Analyzer Manual de usuario descargar pdf (Pagina 6)

Spectrum Analyzer Software

4 921324 Rev A

6. Choose a weighting Window to be used for the FFT.

7. Change Scale to alter the spectrum trace based on your reference signal. Enter new

values for any of the following:

 Output units of measure:

 dBm

 dBV

 dBmV

 dBµV

 V rms

 Arms

 Reference Level – Lowering/raising this value moves the trace up/down on the grid.

 Scale – Amplitude/div. Lowering/raising this value has the effect of “zooming” in/out

on the trace. (This alters the appearance of the spectrum trace; it does not open a

separate zoom trace.)

Tip: An easy way to rescale the trace is to touch-and-drag: a) the trace or the Center

Frequency indicator left or right, which changes the Center Frequency setting; b) the

Zero Point indicator up or down, which changes the Reference Level setting.

8. Select to display additional traces:

 Show Source displays the pre-transform source trace.

 Show Zoom displays a zoom of the source trace.

Each trace opens in a separate grid from the spectrum trace, and a new descriptor box

appears on screen. Touch the descriptor box to open the trace setup dialog and make

further adjustments.

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Teledyne-lecroy Spectrum Analyzer Manual de usuario Pagina 6