FAST ETHERNET 100BASE-TX
PCMCIA TRANSFORMER MODULES
Networking Components
100BASE PCMCIA TRANSFORMER
MODULES
LF
84
09
ELECTRICAL CHARACTERISTICS @25 C
Rise Time & Fall Time @5.0ns (Max), Hi-Pot Test @60Sec, 1500Vrms, OCL @8mA DC Bias 350uH (Min)
Insertion
Loss
(dB Max)
1~100
MHz
-1.0
-1.0
-1.0
-1.0
Return Loss
(dB Min)
2~30 40 50
MHz
-18 -16 -12.0
-18 -17 -14.5
-18 -16 -12.0
-18 -17 -14.5
60~80
-10
-12
-10
-12
1
Cross Talk
(dB Min)
30
60
MHz
100
-35
-35
-35
-35
Com. To Com.
Rejection Ratio
(dB Min)
1~60
60~100
MHz
-40
-40
-40
-40
-30
-30
-30
-30
Diff. To Com.
Mode Rejection
(dB Min)
1~60
60~100
MHz
-40
-40
-40
-40
-30
-30
-30
-30
Turns Ratio
TX/RX
( 5%)
1
MHz
1.414:1 / 1:1
1:1 / 1:1
1.414:1 / 1:1
1:1 / 1:1
o
Model
LF8409
LF8410
LF8411
LF8412
-65 -55 -45
-65 -55 -45
-65 -55 -45
-65 -55 -45
MECHANICAL
CONSTRUCTION
A
SCHEMATICS
LF8409
1
TX
14
4
2
5
13
11
9
10
7
8
LF84**
B
D
E
F
DATE CODE
6
RX
G
C
H
J
I
LF8410, LF8411, LF8412
1
TX
7.62
11.67 16.39
0.76
1.27
UNIT : mm / inch
A = 11.53 0.254 / 0.454 0.010
B = 13.27 0.254 / 0.522 0.010
C = 2.40 / 0.094 MAX
D = 15.44 0.254 / 0.608 0.010
E = 1.27 / 0.050 (TYP)
F = 0.50 0.127 / 0.020 0.005
G = 0.254 0.127 / 0.010 0.005
H = 0.254 / 0.010 (TYP)
I = 2.05 0.254 / 0.081 0.010
J = 7.62 / 0.3000 (TYP)
14
3
2
5
6
13
12
9
10
7
8
RX
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
252, SAN YING ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
Http://www.deltaww.com/products/networking
B-4
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