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SDS5000X Series Digital Oscilloscope User Manual
54 / 2 3 6 W W W. S I G L E N T. C O M
Bandwidth Limit
Full bandwidth can pass through signals with high frequency components, but
it also means that noise with high frequency components can pass through.
When the frequency component of the interested signal is very low, better
signal-to-noise ratios (SNR) can be obtained by turning on a bandwidth limit.
The SDS5000X provides two bandwidth limit options: 20 MHz and 200 MHz.
Probe Attenuation
The SDS5000X provides 1X, 10X, 100X and custom probe attenuation factor
options. The custom value is between 10
-6
~10
6
. The oscilloscope will
automatically convert the vertical scale according to the current probe
attenuation factor. For example, the vertical scale of the oscilloscope under 1X
attenuation is 100 mV/div, and the vertical scale will be automatically set to
1V/div if the probe attenuation is changed to 10X. If a standard probe with
readout terminal is connected, the oscilloscope will automatically set the probe
attenuation to match the probe.
Impedance
1 MΩ: When a passive probe with high impedance is connected, the
impedance must be set to 1 MΩ, otherwise the signal will not be detected.
50 Ω: It is suitable for high frequency signals transmitted through 50 Ω
coaxial cables and can minimize the amplitude distortion caused by
impedance mismatching.
Unit
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