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Chapter 2 To Set the Vertical System RIGOL
DS1000Z User Guide 2-3
Bandwidth Limit
DS1000Z supports the bandwidth limit function which can reduce the display noise.
For example, the signal under test is a pulse with high frequency oscillation.
When the bandwidth limit is disabled, the high frequency components of the
signal under test can pass the channel.
When limiting the bandwidth to 20 MHz, the high frequency components of the
signal under test that exceed 20 MHz are attenuated.
Press CH1, then press BW Limit continuously to switch the bandwidth limit state
(the default 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.
Note: Bandwidth limit can reduce the noise as well as attenuate or eliminate the
high frequency components of the signal.
Probe Ratio
DS1000Z allows user to set the probe attenuation ratio manually. Press CH1
Probe and use to select the desired probe ratio. The probe ratio values available
are as shown in the table below.
Table 2-1 Probe Ratio
Menu
Attenuation Ratio
(display amplitude of the signal : actual
amplitude of the signal)
0.01X
0.02X
0.05X
0.1X
0.2X
0.5X
1X
2X
5X
10X (the default value)
20X
50X
100X
200X
500X
1000X
0.01:1
0.02:1
0.05:1
0.1:1
0.2:1
0.5:1
1:1
2:1
5:1
10:1
20:1
50:1
100:1
200:1
500:1
1000:1
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