MAX3982 데이터 시트보기 (PDF) - Maxim Integrated

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MAX3982

SFP Copper-Cable Preemphasis Driver

Maxim Integrated 

SFP Copper-Cable Preemphasis Driver

Typical Operating Characteristics (continued)

(VCC = +3.3V, TA = +25°C, unless otherwise noted. PRBS7 + 100CID pattern is PRBS 27, 100 zeros, 1010, PRBS 27, 100 ones, 0101.)

15m 24AWG CABLE ASSEMBLY

OUTPUT WITHOUT MAX3982,

4.25Gbps CJTPAT

MAX3982 toc11

15m 24AWG CABLE ASSEMBLY

OUTPUT WITH MAX3982

PREEMPHASIS, 4.25Gbps CJTPAT

MAX3982 toc12

PREEMPHASIS, PE[1,0] = 11, OUTLEV = HIGH

DETERMINISTIC JITTER

vs. CABLE LENGTH

1.0

4.25Gbps

PRBS7 + 100CID

PE[1,0] = 00

0.8

PE[1,0] = 01

0.6

PE[1,0] = 10

0.4

PE[1,0] = 11

0.2

0

0

5

10

15

CABLE LENGTH (m)

15m 24AWG CABLE ASSEMBLY

OUTPUT WITHOUT MAX3982,

4.25Gbps PRBS7 + 100CID

MAX3982 toc14

15m 24AWG CABLE ASSEMBLY

OUTPUT WITH MAX3982

PREEMPHASIS, 4.25Gbps PRBS7 + 100CID

MAX3982 toc15

PREEMPHASIS, PE[1,0] = 11, OUTLEV = HIGH

OUTPUT RETURN LOSS

vs. FREQUENCY

0 USING AGILENT 8720ES AND ATN MICROWAVE

-5 ATN-4112A S-PARAMETER TEST SET

DE-EMBEDDING SMA CONNECTOR, COUPLING

-10 CAPACITOR, AND 1cm TRACE

-15

-20

-25

-30

-35

-40

100

1000

FREQUENCY (MHz)

10,000

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