Acquisition
3. Click Digital Filters (DSP) Enabled to
turn the enhanced bandwidth on. You
must set the sa
mple rate correctly to
enable DSP.
4. To force a constant sample rate that
enables DSP filters, check Force
Constant Sam
ple Rate .
NOTE. If not already set, selecting Constant
Sample rate sets the horizontal mode to
constant sa
mple rate, sets the sample rate
to allow DSP, and selects a DSP bandwidth.
5. Select the desired bandwidth from the
Bandwidth list.
The availa
ble bandwidth selections
depend on your instrument, probe, and
probe tip.
Selectin
g Analog Only selects a
hardware (HW) bandwidth.
6. To apply your selections to all channels,
check Apply To All C han nels .
When dif
ferent probing makes it
impossible for the instrument to set all
channels the same, the instrument sets
each ch
annel to the closest bandwidth
value possible.
The ban
dwidth indicator appears in the
vertical readout when the enhanced
bandwidth is turned on.
Quick
tips
Right click the waveform handle to display a menu where you can select the channel bandwidth and other bandwidth
enhanced settings.
The DSP enhanced bandwidth occurs at maximum sample rate.
Use the DSP enhanced bandwidth when your signals have rise times less than 50 ps.
Select Analog O nly for higher waveform throughput, overdriven signals, and when you prefer to use your own DSP
post-processing.
Yo u can limit the instrument bandwidth by selecting Vertical > Bandwidth Limit and then selecting the bandwidth.
48 MSO/DPO70000DX, MSO/DPO70000C, DPO7000C, and MSO/DPO 5000B Series U ser M anual
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