Rainbow Electronics MAX3983 - Manual (Page 6)

MAX3983
Quad Copper-Cable Signal Conditioner
6 _______________________________________________________________________________________
PE = 12dB PE = 3dB
V EYE = 0.375V P-P V EYE = 1.06V P-P
DIFFERENTIAL
OUTPUT = 1.5V P-P
Figure 1. Illustration of TX Preemphasis in dB
MAX3983
MAX3983
SIGNAL
SOURCE
1in ≤ L ≤ 20in
6 mils
1in ≤ L ≤ 3in
PC BOARD (FR4)
A
B
OSCILLOSCOPE OR
ERROR DETECTOR
SMA CONNECTORS
FUJITSU
MICROGIGA
CONNECTORS
InfiniBand CABLE
ASSEMBLY
RX_OUT RX_IN
6 mils
6 mils
6 mils TX_IN TX_OUT
1in ≤ L ≤ 20in 1in ≤ L ≤ 3in
END-TO-END TESTING
FR4
4.0
≤ ε
R
≤ 4.4
tan δ = 0.022
Figure 2. End-to-End Test Setup. The points labeled A and B are referenced for AC parameter test conditions.