tcm2010-261-4p TDK Corp., tcm2010-261-4p Datasheet - Page 15

• Manufacturer Part Number: tcm2010-261-4p
• Description: Ferrite Chip Common-mode Filters For High-speed Signal Lines,
• Manufacturer: TDK Corp.

Example of LVDS line radiation noise countermeasure
Notebook PC/LVDS lines
TCM2010
Reduction effects of over 12dB are achieved with both horizontal
polarization and vertical polarization for the double harmonic
component(455MHz) of LVDS signal.
Radiation electric field intensity
Comparison (before/after countermeasure)
Controller
Graphics
70
60
50
40
30
20
10
70
60
50
40
30
20
10
0
0
10
10
PC Host Side
Vertical
Horizontal
(3.3V)
Initial condition(Through)
With TCM2010-201-4P
Initial condition(Through)
With TCM2010-201-4P
PLL
LVDS Tx
Horizontal
TCM2010-201-4P
Differential
(0.34Vpp)
Signaling
LCD Panel
100
100
FCC-B (3m)
FCC-B (3m)
100
PC Host Side
x
TDK CORPORATION
2
LVDS Rx
Frequency (MHz)
Frequency (MHz)
PLL
LCD Panel
Controller
Timing
455MHz
455MHz
TCM
1005,1210,1608, 2010 type
53.5dB
41.0dB
52.6dB
40.5dB
1000
1000
14
series
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Example of LVDS line implementation
16
10000
10000
TCM
15