HBM CANHEAD - Enhanced filters

CANHEAD enhancements
CANHEAD A01185_11_X00_00 HBM: public 73
12.2 Enhanced filters
New CANHEAD filters were made available in ML74B with firmware version
P5.18. In cut‐off frequencies and sampling rates, these are always 2/3 of the
previous filters.
Complete filters for 250 kBaud and 500 kBaud:
Nom. (rated)
value (Hz)
3 dB (Hz) 1 dB (Hz) Delay time
(ms)
Sampling
rate (S/s)
25 23.2 13.1 13.3 300
15 15.5 8.8 20.0 200
10 10.43 5.94 33.3 300
7 6.952 3.949 50.0 200
5 5.08 2.9 76.7 150
3 3.386 1.930 115.1 100
2.5 2.523 1.439 163.3 75
1.5 1.682 0.959 245.0 50
1.25 1.259 0.718 336.6 37.5
0. 8 0.840 0.479 504.9 25
0. 6 0.697 0.359 683.3 18.75
0. 4 0.120 0. 24 0 1025 12.5
0.15 0.1623 0.0910 1712 300
0. 1 0.108 0.061 2568 200
0.08 0.0811 0.0455 3411 300
0.05 0.0542 0.0304 5116 200
0.04 0.0406 0.0227 6814 150
0.025 0.0271 0.0152 10221 100
Filters below 0.15 Hz use a different algorithm internally, which makes the
sampling rate high.