Rainbow-electronics MAX3983 Uživatelský manuál stáhnout pdf (Strana 6)

MAX3983

Quad Copper-Cable Signal Conditioner

6 _______________________________________________________________________________________

PE = 12dB

PE = 3dB

EYE

= 0.375V

P-P

EYE

= 1.06V

P-P

DIFFERENTIAL

OUTPUT = 1.5V

P-P

Figure 1. Illustration of TX Preemphasis in dB

MAX3983

SIGNAL

SOURCE

1in ≤ L ≤ 20in

6 mils

1in ≤ L ≤ 3in

PC BOARD (FR4)

OSCILLOSCOPE OR

ERROR DETECTOR

SMA CONNECTORS

FUJITSU

MICROGIGA

CONNECTORS

InfiniBand CABLE

ASSEMBLY

RX_OUT RX_IN

6 mils

TX_IN TX_OUT

1in ≤ L ≤ 20in 1in ≤ L ≤ 3in

END-TO-END TESTING

FR4

4.0 ≤ ε

≤ 4.4

tanδ = 0.022

Figure 2. End-to-End Test Setup. The points labeled A and B are referenced for AC parameter test conditions.

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

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Rainbow-electronics MAX3983 Uživatelský manuál Strana 6