Mitutoyo SJ-301 - Difference of Filter Characteristics

No. 99MBB091A 14 - 12
14.2.3 Difference of filter characteristics
• Difference in amplitude transmission of 2RC (and PC) type at the cutoff length
Both are the same type of filters, except with different cutoff lengths.
The difference between the two is shown in figures.
0.1
75%
50%
0.2 0.3 0.7 10.5 2 3 7 105
λ/λc
Amplitude transmission (%)
Different cutoff length with the same filter
2
3
10
7
5
20
30
100
70
80
50
0.1
75%
50%
0.2 0.3 0.7 10.5 2 3 7 105
λ/λc
Amplitude transmission (%)
Comparison of two filters at the same cutoff length
2
3
10
7
5
20
30
100
70
80
50