ETHERNET 10BASE-T
PCMCIA TRANSFORMER MODULES
Networking Components
10BASE-T PCMCIA TRANSFORMER
MODULES
LA
7
NF
27
61
ELECTRICAL CHARACTERISTICS @25 C
Hi-Pot Test @60Sec, 1500Vrms
Model
LANF72761
LANF72763
LANF72764
LANF72765
LANF72766
Insertion Loss
(dB Max)
-1.0 (1-10MHz)
Attenuation
Return Loss
Com. To Com. Mode Rejection
TX (dB Min) RX
5-10MHz (dB Min)
TX (dB Min) RX
-7 (20MHz) -5 (20MHz) 100 Ohm 98 13 Ohm -30 (10-50MHz)
-30 (10-50MHz)
-18 (25MHz) -11 (25MHz)
-18
-15
-28 (50-100MHz) -25 (50-100MHz)
-30 (30MHz) -16 (30MHz)
-33 (40MHz) -26 (40MHz)
Turns Ratio
TX/RX( 5%)
1:1 / 1:1
o
MECHANICAL
CONSTRUCTION
SCHEMATICS
A
1
2
B
D
R1
R2
LOW PASS
FILTER
14
13
12
LANF7276*
3
DATE CODE
R3
10
9
8
4
C
H
5
6
R4
R5
R6
R7
LOW PASS
FILTER
G
E
K
F
I
7
J
15.24
13.03 17.91
2.54
0.76
UNIT : mm / inch
A = 20.30 0.254 / 0.799 0.010
B = 13.50 0.254 / 0.531 0.010
C = 2.45 / 0.096 MAX
D = 17.00 0.254 / 0.670 0.010
E = 2.54 / 0.100 (TYP)
F = 0.46 0.127 / 0.018 0.005
G = 0.10 / 0.004 MIN
H = 0.254 / 0.010 (TYP)
I = 1.13 / 0.044 REF.
J = 0
o
~ 8
o
K = 15.24 / 0.600 (TYP)
RESISTOR VALUES
Number
Model
R1
49.9 Ohm
49.9 Ohm
49.9 Ohm
49.9 Ohm
49.9 Ohm
R2
49.9 Ohm
49.9 Ohm
49.9 Ohm
49.9 Ohm
49.9 Ohm
R3
274 Ohm
68.7 Ohm
316 Ohm
53.6 Ohm
316 Ohm
R4
68.1 Ohm
287 Ohm
53.6 Ohm
316 Ohm
53.6 Ohm
R5
68.1 Ohm
287 Ohm
316 Ohm
316 Ohm
53.6 Ohm
R6
274 Ohm
68.7 Ohm
53.6 Ohm
53.6 Ohm
316 Ohm
R7
806 Ohm
N/A
1.2K Ohm
N/A
N/A
LANF72761
LANF72763
LANF72764
LANF72765
LANF72766
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
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