10 - 12
No. 99MBB079A
10.2.3
Difference of filter characteristics
• Difference in amplitude transmittance 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
1
0.5
2
3
7
10
5
λ
/
λ
c
Amplitude transmittance (%)
Difference in cutoff lengths of the filters
2
3
10
7
5
20
30
100
70
80
50
0.1
75%
50%
0.2
0.3
0.7
1
0.5
2
3
7
10
5
λ
/
λ
c
Amplitude transmittance (%)
Comparison of two filters at the same cutoff length
2
3
10
7
5
20
30
100
70
80
50
Summary of Contents for 148 460
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