Operating Basics
TDS5000B Series Quick Start User Manual
29
Interpolation
Your instrument can interpolate between the samples it acquires when it does not have all of the actual samples
it needs to fill the waveform record. Linear interpolation computes record points between actual acquired
samples by using a straight line fit.
Sin(x)/x interpolation computes record points using a curve fit between the actual values acquired. Sin(x)/x
interpolation is the default interpolation mode because it requires fewer actual sample points than linear
interpolation to accurately represent the waveform.
Quick Tip
H Use the display style Intensified Samples to intensify the real samples and dim the interpolated samples,
see page 48.
Interleaving
The instrument can interleave its channels to attain higher digitizing rates and longer record length when only 1
or 2 cha nnels are turned on without equivalent-time sampling. The instrument applies the resources of unused
channels to sample those that are in use. The following table lists how interleaving extends the maximum
digitizing rate and record lengt h.
NOTE. Only record length interleaving is available on the TDS5054BE. The maximum sample rate on the
TDS5054BE is 1 GS/s regardless of the number of channels in use.
Number of channels in use Maximum digitizing rate Maximum record lengt h
One
5GS/s 8 M (16 M with Option 3M)
Two 2.5 G S/s 4M(8MwithOption3M)
Three or Four 1.25 G S/s 2M(4MwithOption3M)
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