ETC LF9231

10/100/1000BASE-T
TRANSFORMER MODULES
Networking Components
LF
92
31
o
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)
Model
Return Loss
(dB Min)
1-30
1-100
40
MHz
LF9231
50
MHz
-1.0
-30
-21.5
60-80
100
30
60
MHz
-20
Turns Ratio
TX/RX
( 5%)
100
100
KHz
MHz
-16
MECHANICAL CONSTRUCTION
A
B
LF9231
Cross Talk
(dB Min)
-14
-45
-40
-35
1:1 / 1:1
SCHEMATICS
1
3
2
7
9
8
6
4
5
12
10
11
13
15
14
19
21
20
18
16
17
24
22
23
DATE CODE
C D
E
APPLICATION CIRCUITS
LF9231
PIN 1
TXIP_A
TXVP_A
6.35
1.27
1.27
6
7
12
13
18
19
24
6.35
2.54
1
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
24- 0.60
TXVN_A
TXIN_A
IC
CIS8201
CIS8204
CIS8211
CIS8221
CIS8224
CIS8234
CIS8244
TXIP_B
TXVP_B
TXVN_B
TXIN_B
TXIP_C
TXVP_C
TXVN_C
TXIN_C
TXIP_D
TXVP_D
TXVN_D
TXIN_D
DELTA ELECTRONICS, INC.
TEL: 886-3-3591968; FAX: 886-3-3591991
Http://www.deltaww.com/products/networking
7
3
9
47.5 OHM
0.1uF
47.5 OHM
47.5 OHM
0.1uF
47.5 OHM
47.5 OHM
0.1uF
47.5 OHM
47.5 OHM
0.1uF
47.5 OHM
Resistors required only
with CIS8201 / CIS8204
(TAOYUAN PLANT CPBG) 252, SAN YING ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.
1
2
8
6
12
4
10
5
11
13
19
15
21
14
20
18
24
16
22
17
23
J1
75 OHM
J2
J3
75 OHM
J6
J4
75 OHM
J5
J7
75 OHM
J8
1000pF
2KV
SHIELD
RJ-45
CONNECTOR