Rainbow-electronics MAX3799 Bedienungsanleitung PDF herunterladen (Seite 9)

MAX3799

1Gbps to 14Gbps, SFP+ Multirate Limiting

Amplifier and VCSEL Driver

_______________________________________________________________________________________

Typical Operating Characteristics—Limiting Amplifier

= 3.3V, T

= +25°C, unless otherwise specified. Figure 1 shows the typical setup used for measurements. Registers are set to

default values unless otherwise noted, and the 3-wire interface is static during measurements. For testing, the RATE_SEL bit was

used and the RSEL pin was left open.)

RANDOM JITTER

vs. INPUT AMPLITUDE

MAX3799 toc01

INPUT AMPLITUDE (mV

P-P

)

RANDOM JITTER (ps)

1000800600400200

310

320

330

340

350

360

370

300

0 1200

RATE_SEL = 1

DETERMINISTIC JITTER vs.

INPUT AMPLITUDE AT 1.25Gbps

MAX3799 toc02

INPUT AMPLITUDE (mV

P-P

)

DETERMINISTIC JITTER (ps)

1000800600400200

0 1200

PATTERN = k28.5, RATE_SEL = 0

DETERMINISTIC JITTER

vs. INPUT AMPLITUDE

MAX3799 toc03

INPUT AMPLITUDE (mV

P-P

)

DETERMINISTIC JITTER (ps)

1000800600400200

0 1200

PATTERN = PRBS, RATE_SEL = 1

AT 8.5Gbps

AT 10.32Gbps

DETERMINISTIC JITTER

vs. DATA RATE

MAX3799 toc04

DATA RATE (Gbps)

DETERMINISTIC JITTER (ps)

12102 4 6 8

014

RATE_SEL = 1

PATTERN = k28.5

BER vs. INPUT AMPLITUDE

MAX3799 toc05

INPUT AMPLITUDE (mV

P-P

)

BER

2.52.01.0 1.5

1.0E-01

1.0E-02

1.0E-03

1.0E-04

1.0E-05

1.0E-06

1.0E-07

1.0E-08

1.0E-09

1.0E-10

1.0E-11

1.0E-13

1.0E-12

0.5 3.0

RATE_SEL = 0

RATE_SEL = 1

OUTPUT EYE DIAGRAM AT 1.25Gbps

MAX3799 toc06

200ps/div

150mV/div

RATE_SEL = 0

OUTPUT EYE DIAGRAM AT 4.25Gbps

MAX3799 toc07

50ps/div

50mV/div

RATE_SEL = 1

OUTPUT EYE DIAGRAM AT 8.5Gbps

MAX3799 toc08

20ps/div

50mV/div

OUTPUT EYE DIAGRAM AT 10.32Gbps

MAX3799 toc09

20ps/div

50mV/div

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 34 35

Amplifier and VCSEL Driver 1

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