
Casing Type
Metal box
Noise Filters VOL.04
LF-340 Common mode
LF-330 Common mode
LF-330
Normal mode
LF-340
Normal mode
LF-350 Normal mode
LF-360 Normal mode
LF-360 Common mode
LF-350 Common mode
80
LF-320 Normal mode
70
60
50
40
30
20
10
0
LF-305 Common mode
LF-310
Common mode
100
90
80
70
60
50
40
30
20
10
0
LF-315 Normal mode
LF-320 Common mode
LF-315 Common mode
Insertion
Loss
(dB)
Frequency (MHz)
Insertion
Loss
(dB)
Frequency (MHz)
0.1
24
6
8 1
2
4
6
8 10
20
0.1
0.5
1.0
5.0
10
20 30
100
90
80
70
60
50
40
30
20
10
0
Insertion
Loss
(dB)
Frequency (MHz)
0.1
0.5
1.0
5.0
10
20 30
100
90
80
70
60
50
40
30
20
10
0
Insertion
Loss
(dB)
Frequency (MHz)
0.1
0.5
1.0
5.0
10
20 30
Attenuation (Static Characteristics)
bCommon mode
bNormal mode
P
Z 0
P: Power divider
Z 0 : 50
Z 0
Level
meter
EMI/EMC
filter
Oscillator
Level
meter
EMI/EMC
filter
Oscillator
Measuring Circuit