Teledyne LeCroy WaveRunner МXi-A Getting Started Manual - Manual (Page 34)

WaveRunner Xi-A and MXi-A Oscilloscopes
26 922138-00 Rev A
Bandwidth Limiting
You may sometimes want to limit high frequency noise on a very low
bandwidth input signal. If this is the case, you can limit the channel bandwidth
to less than the full bandwidth of the oscilloscope. Select a different
bandwidth by touching inside the Bandwidth field and selecting a value from
the pop-up menu.
Averaging Your Signal
The WaveRunner Xi-A oscilloscope allows you the opportunity to continuously
average your signal to reduce signal noise and aid in signal evaluation. If you
want to use averaging, select a value here by touching inside the Averaging
field and entering a value up to 1 million sweeps on the pop-up keypad.
Interpolation Settings
Linear interpolation, which inserts a straight line between sample points, is
best used to reconstruct straight-edged signals such as square waves. (Sinx)/x
interpolation, on the other hand, is suitable for reconstructing curved or
irregular wave shapes, especially when the sample rate is 3 to 5 times the
system bandwidth.
Noise Filtering (ERES)
The instrument's enhanced resolution feature improves vertical resolution by
a fixed amount for each filter. This real increase in resolution occurs whether
or not the signal is noisy, or your signal is single-shot or repetitive.
The signal-to-noise ratio (SNR) improvement you gain is dependent on the
form of the noise in the original signal. The enhanced resolution filtering
decreases the bandwidth of the signal, filtering out some of the noise.
Using Toolbar Shortcuts
These toolbar shortcuts can be used to perform specific actions for the
channel corresponding to the current setup dialog.
For more information on Measure, Zoom, Math, and Memories (Reference
Waveforms), refer to the section dealing with that subject.
Opens a Measurement selection pop-up menu. You can then
select up to 6 parameters (measurements) for the active
channel from this menu without leaving the Channel Setup