10/100/1000BASE-T
TRANSFORMER MODULES
Networking Components
9
LF
23
1
ELECTRICAL CHARACTERISTICS @25 C
Rise Time & Fall Time @5.0ns (Max), Hi-Pot Test @60Sec, 1500Vrms, OCL @8mA DC Bias 350uH (Min)
Model
Insertion
Loss
(dB Max)
1-100
MHz
1-30
40
o
Return Loss
(dB Min)
50
MHz
MHz
60-80
100
30
Cross Talk
(dB Min)
60
MHz
100
Turns Ratio
TX/RX
( 5%)
100
KHz
LF9231
-1.0
-30
-21.5
-20
-16
-14
-45
-40
-35
1:1 / 1:1
MECHANICAL
CONSTRUCTION
A
SCHEMATICS
1
3
2
6
4
5
13
15
14
7
9
8
12
10
11
19
21
20
24
22
23
LF9231
B
DATE CODE
18
16
17
C D
E
APPLICATION CIRCUITS
LF9231
PIN 1
6.35
1.27
1
6
12
18
24
TXIP_A
TXVP_A
1
47.5 OHM
0.1uF
47.5 OHM
7
9
8
12
10
11
75 OHM
75 OHM
J1
6.35
7
13
19
UNIT : mm / inch
A = 10.00 / 0.394 TYP
B = 10.00 / 0.394 TYP
C = 4.10 0.100 / 0.161 0.004
D = 3.90 0.100 / 0.154 0.004
E = 0.20 / 0.008 TYP
3
2
6
TXVN_A
TXIN_A
J2
J3
24- 0.60
IC
CIS8201
CIS8204
CIS8211
CIS8221
CIS8224
CIS8234
CIS8244
2.54
TXIP_B
TXVP_B
TXVN_B
TXIN_B
TXIP_C
TXVP_C
TXVN_C
TXIN_C
TXIP_D
TXVP_D
TXVN_D
TXIN_D
47.5 OHM
0.1uF
47.5 OHM
4
5
1.27
J6
J4
75 OHM
47.5 OHM
0.1uF
47.5 OHM
13
15
14
18
0.1uF
19
21
20
24
22
23
1000pF
2KV
SHIELD
75 OHM
J5
J7
47.5 OHM
16
17
47.5 OHM
J8
RJ-45
CONNECTOR
DELTA ELECTRONICS, INC.
TEL: 886-3-3591968; FAX: 886-3-3591991
Http://www.deltaww.com/products/networking
Resistors required only
with CIS8201 / CIS8204
(TAOYUAN PLANT CPBG)
252, SAN YING ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.
1
