Oscilloscope Reference Math arbitrary filters
Frequency response of the available low pass filters
The following table lists the available low pass filters:
File n ame
Normalized cutoff frequency
lowpass_0.05bw.fl
0.05
lowpass_0.10bw.flt
0.10
lowpass_0.15bw.flt
0.15
lowpass_0.20bw.flt
0.20
lowpass_0.25bw.flt
0.25
lowpass_0.30bw.flt
0.30
lowpass_0.35bw.flt
0.35
lowpass_0.40bw.flt
0.40
lowpass_0.45bw.flt
0.45
xxx
High pass filters
The following graphs show the available s et of high pass filters. Their normalized frequency response is
shown from 0 to ½ the sample rate. These filters will operate at any sample rate with cutoff frequency
scaled as shown below on the graphs. The filters have normalized cutoff frequencies of 0.05, 0.1, 0.15,
0.20, 0.25, 0.3, 0.35, 0.40, and 0.45. Stop band rejection is typically between –50 and –60 dB.
858 DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series
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