2.7Gbps, Low-Power SFP Laser Drivers

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5

(100mV min,

1200mV max)

VOLTAGE

CURRENT

TIME

Figure 2. Output Termination for Characterization

50

Ω

75

Ω

30

Ω

30

Ω

0.5pF

30

Ω

OSCILLOSCOPE

OUT+

OUT-

OUT+

MAX3735

MAX3735A

Figure 1. Required Input Signal and Output Polarity

SOURCE

NOISE

TO LASER

OPTIONAL

OPTIONAL

MODULE

HOST BOARD

C1

0.1

µF

C2

10

µF

C3

0.1

µF

L1

1

µH

VOLTAGE

SUPPLY

FILTER DEFINED BY SFP MSA

Figure 3. Supply Filter