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88E3016
Integrated 10/100 Fast Ethernet Transceiver
6.3 Transmitter - Receiver Diagram
Figure 26: Transmitter - Receiver Diagram
3.3V
Ω
69
Ω
174
Sink 0 mA
3.3V
Ω
69
Ω
174
Sink 15 mA
Common mode:
®
Marvell
100BASE-FX PHY
Transmitter
Doc. No. MV-S103164-00, Rev. A
Page 100
OFF
174
V =
x 3.3 = 2.36V
174 + 69
V
i
ON
V = 3.3 - (15 + i) 69 = 174i
V = 1.62V
V
2.36 + 1.62
= 2V
2
Document Classification: Proprietary Information
3.3V
Ω
1k
1.65V
Ω
1k
The receiver should be biased between
1.2V to 2.5V. The middle value of 1.65V
is choosen as an example.
®
Marvell
100BASE-FX PHY
Receiver
Copyright © 2008 Marvell
January 4, 2008, Advance
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