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參數(shù)資料
| 型號： | KBMF01SC6 |
| 廠商： | 意法半導體 |
| 英文描述： | EMI FILTER AND LINE TERMINATION FOR PS/2 MOUSE OR KEYBOARD PORTS |
| 中文描述： | EMI濾波器和線路終端使用的PS / 2鼠標或鍵盤端口 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 90K |
| 代理商： | KBMF01SC6 |
KBMFxxSC6
3/8
50
RF IN
Vg
50
TG OUT
TEST BOARD
K
Fig. A1:
Measurements configuration
1
10
100
1000
-40
-30
-20
-10
0
F (MHz)
Insertion loss (dB)
Fig. A2:
KBMFxxSC6 attenuation curve
TECHNICAL INFORMATION
The KBMFxxSC6 ensure a filtering protection against ElectroMagnetic and RadioFrequency Interferences
thanks to its low-pass filter structure. This filter is characterized by the following parameters :
- cut-off frequency
- Insertion loss
- high frequency rejection
EMI FILTERING
The KBMFxxSC6 is particularly optimized to perform ESD protection. ESD protection is based on the use
of device which clamps at :
Vouput
=
This protection function is splitted in 2 stages. As shown in figure A3, the ESD strikes are clamped by the
first stage S1 and then its remaining overvoltage is applied to the second stage through the resistor R.
Such a configuration makes the output voltage very low at the Voutput level.
V
R I
d
BR
PP
+
.
ESD PROTECTION
ESD Surge
Vinput
Voutput
Rload
Rg
Rs
S1
Rd
V
BR
V
BR
V
PP
Device
to be
protected
KBMFxxSC6
Rd
S2
Fig. A3:
ESD clamping behavior
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