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RIGOL Chapter 2 To Set the Vertical System
2-6 DS8000-R User Guide
as shown in Table 2-2.
Table 2-2 Probe Ratio
Menu
Attenuation Ratio
(display amplitude of the signal: actual amplitude
of the signal)
0.0001X
0.0002X
0.0005X
0.001X
0.002X
0.005X
0.01X
0.02X
0.05X
0.1X
0.2X
0.5X
1X (default)
2X
5X
10X
20X
50X
100X
200X
500X
1000X
2000X
5000X
10000X
20000X
50000X
0.0001:1
0.0002:1
0.0005:1
0.001:1
0.002:1
0.005:1
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
2000:1
5000:1
10000:1
20000:1
50000:1
Note: After the oscilloscope auto-recognized certain probes with a fixed attenuation
ratio, the probe ratio will also be auto recognized. You do not have to set it
manually.
Input Impedance
To reduce the circuit load between the oscilloscope and the circuit under test, this
oscilloscope provides two input impedance modes: 1 MΩ (default) and 50 Ω.
⚫ 1 MΩ: The input impedance of the oscilloscope is very high, and the current
flowed from the circuit under test can be ignored.
⚫ 50 Ω: makes the oscilloscope match the device whose input impedance is 50 Ω.
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