LAN COUPLING TRANSFORMERS
LAN COUPLING TRANSFORMERS
FAST ETHERNET & GIGABIT SERIES
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TEST CONDITIONS:
A. OCL: 100 mVRMS @ 100 KHz with 8 mA DC
B. R /I measurements assume 100Ω media interface
C. Bias: 8 mA (minimum) steady state DC
D. DWV: 1,500 VRMS for 1 minute min; greater isolation
voltage available
L
L
NOTES:
1. P/Ns with "T" as suffix are configured for through-hole applications
2. Dual port design configuration
3. Turns ratios are specified: "transceiver : media" with ±2% tolerance
4. "CT" indicates a center-tapped winding, otherwise readings are intended to be across entire winding segment
5. OCL for 10/100Base-T and Gigabit applications is specified at: 350 µH min with 8mA bias measured from the media
interface and -40oC to 85oC
CIRCUITS:
RCV
16
14
XMIT
1
2
3
1.
5.
8.
Receive
8
9
24
23
22
21
7
6
1
15
10
2
CHIP
MEDIA
3
4
5
3
10
12
6
7
8
Transmit
Transmit
11
MEDIA
CHIP
M
E
D
I
C
H
I
20
5
6
7
P
9
19
18
17
16
XMIT
XMIT
A
13
14
2
1
RCV
2.
1
16
8
9
9.
2
15
14
1
16
3
6
Receive
RCV
15
14
13
10
CHIP
MEDIA
11
15
14
2
3
11
10
7
MEDIA
12
CHIP
11
10
6
7
8
9
RCV
6.
1
12
XMIT
9
10
11
8
Receive
3
3
2
3.
4.
1
7
RCV
CHIP
MEDIA
10.
11.
CHIP
16
8
1
5
4
8
9
14
15
2
16
9
10
2
3
6
7
MEDIA
11
15
14
CHIP
MEDIA
12
7
10
Transmit
6
8
7.
9
XMIT
12
1
3
2
XMIT
11
7
1
RCV
10
CHIP
5
6
11
8
1, 4, 7, 10
24, 21, 18, 15
MEDIA
2
3
16
CHIP
MEDIA
MEDIA
5
2, 5, 8, 11
10
12
11
23, 20, 17, 14
9
7
4
CHIP
14
15
22, 19, 16, 13
6
XMIT
3, 6, 9, 12
RCV
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30332 Esperanza, Rancho Santa Margarita, California 92688
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