UTD2000 Series User Manual
18
Figure 2-1 Blocked DC Component of Signal
Press F1 to select as DC coupling, you should be able to see both the DC and AC
components of measured signals at CH1 channel as shown in figure below.
Figure 2-2 Simultaneous Display of Signal DC and AC Components
If you Press F1 to select as GND, to set CH1 to connect to the internal ground of the
instrument, both DC and AC components of the input signal are blocked. And, waveform
display is shown in figure below.
Figure 2-3 Simultaneous Blocking of Signal DC and AC Components
2.2 Setting channel bandwidth Limit
Assuming that the input signal is a 40MHz sinusoidal signal connected to CH1. Press CH1
and then press F2 to set BW Limit as Full Bandwidth, the channel bandwidth becomes full
bandwidth, there will be not any bandwidth limited to CH1. And, you can see all the high-
frequency component in measured signal as waveform displayed is shown in the figure
below.
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