LU6612 Datasheet, PDF (7/36 Pages) Agere Systems – LU6612 FASTCAT TM Single-FET for 10Base-T/100Base-TX

Data Sheet
July 2000
LU6612
FASTCAT Single-FET for 10Base-T/100Base-TX
Description (continued)
VDD
TX
8
Q=0Ω
L = OPEN
L = 50 Ω
Q = 86.6 Ω
VDD
L = 1:1; Q = 1.25:1
L=0Ω
Q = OPEN
L = 220 Ω
Q = 39 Ω
RJ-45
1
2
TY
9
LU6612
QS6612
RX
63
L = 50 Ω
Q = 86.6 Ω
Q = 60 Ω
L = 50 Ω
RY
64
L = 50 Ω
Q=0Ω
L = 220 Ω
Q = OPEN
L = Q = 75 Ω
3
4
L = 0.01 Ω
Q = 0.1 µF
5
L = Q = 1:1
L=0Ω
6
Q = 20 Ω
7
L=0Ω
Q = 20 Ω
8
L = Q = 75 Ω
L = 0.01 µF L = 0.01 µF
Q = OPEN Q = 0.1 µF
L = Q = 75 Ω
L=0Ω
Q = OPEN
Q=0Ω
L = OPEN
Q=0Ω
L = OPEN
L=0Ω
Q = OPEN
L = Q = 75 Ω
L = 0.01 µF
Q = 1000 pF
L = 0.001 µF
L = 0.001 µF
Key:
L = Lucent’s LU6612.
Q = Quality Semiconductor Inc. QS6612.
Figure 4. Onboard Universal Twisted-Pair Interface Circuit to Interchange Lucent and
Quality Semiconductor Inc. Parts
5-5433.j
Lucent Technologies Inc.
7