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RIGOL Chapter 2 To Set the Vertical System
2-6 MSO7000/DS7000 User's Guide
When the bandwidth limit is disabled, the high frequency components of the
signal under test can pass the channel.
When you enable the bandwidth limit and limit it to 20 MHz or 250 MHz, the high
frequency components found in the signal under test that are greater than 20
MHz or 250 MHz are attenuated.
Press 1 to open the setting menu of CH1.Then, press BW Limit continuously or
rotate the multifunction knob to select the desired bandwidth limit. Press down
the knob to select it. By default, it is OFF. When the bandwidth limit is enabled, the
character "B" will be displayed in the channel status label at the bottom of the screen,
as shown in the figure below. You can also enable the touch screen, and then tap the
CH1 setting menu to select the desired bandwidth limit.
The bandwidth limit that you select is based on the bandwidth of your oscilloscope
model, as shown in Table 2-1.
Table 2-1 Bandwidth Limit
Bandwidth of the Oscilloscope
Model
Available Bandwidth Limit
100 M (MSO7014/DS7014)
20 M
200 M (MSO7024/DS7024)
20 M
350 M and 500 M
(MSO7034/MSO7054/DS7034/DS7054)
20 M, 250 M
Note:
Bandwidth limit can not only reduce the noise, but also can attenuate or
eliminate the high frequency components of the signal.
Probe Ratio
MSO/DS7000 series allows you to set the probe attenuation manually. To obtain the
correct measurement results, you must set the probe ratio properly. By default, the
probe ratio is 1X.
Press 1 to open the setting menu of CH1.Then, press Attenuation continuously or
rotate the multifunction knob to select the desired probe ratio. You can also
enable the touch screen, and then touch the CH1 setting menu to select the desired
probe ratio. The probe ratio values available are as shown in Table 2-2.
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