L80223/D LSI, L80223/D Datasheet - Page 127
L80223/D
Manufacturer Part Number
L80223/D
Description
Manufacturer
LSI
Datasheet
1.L80223D.pdf
(140 pages)
Specifications of L80223/D
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A.2 TP Transmit Interface
The interface between the TP outputs on TPO and the twisted pair
cable is typically transformer coupled and terminated with the two
resistors as shown in
The transformer for the transmitter should have a winding ratio of 1:1 with
a center tap on the primary winding tied to V
through
Table
Table A.1
Table A.2
1. H1089, S558-5999-46, EPF8017GH and TG22-3506ND are pin compatible.
2. RJ-45 connector with integrated magnetics and LEDs
The transmit output must be terminated with two external termination
resistors to meet the output impedance and return loss requirements of
TP Transmit Interface
Parameter
Turns Ratio
Inductance, ( HMin)
Leakage Inductance, ( H)
Capacitance (pF Max)
DC Resistance (
Vendor
PULSE
BEL
HALO
PCA
MIDCOM
Please contact the transformer vendor for additional information.
A.1. Sources for the transformer are listed in
Figure
TP Transformer Specification
TP Transformer Sources
A.3. The specifications for the transformer are shown in
Copyright © 2000, 2001, 2002 by LSI Logic Corporation. All rights reserved.
Max)
Part Number
H1089, H1102
S558-5999-J9, 558-5999-46
TG22-3506ND TG110-S050N2
EPF8017GH
mod2
Figure A.1
TM
technology 0510
Transmit
through
0.05–0.15
1:1 CT
350
0.4
15
Specification
1
Figure
2
DD
, as shown in
Receive
A.3.
0.0–0.2
Table
350
1:1
0.4
15
A.2.
Figure A.1
A-5
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