Rainbow Electronics MAX3799 User Manual

Page 15

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MAX3799

1Gbps to 14Gbps, SFP+ Multirate Limiting

Amplifier and VCSEL Driver

______________________________________________________________________________________

15

R

PULL

R

PULL

R

PULL

R

PULL

V

EER

V

CCD

MAX3799

0

1

1

0

1

0

BIAS

MONITOR

OUTPUT

CONTROL

LOGIC

LOS

3-WIRE

INTERFACE

CONTROL

LOGIC

PULSE-

WIDTH

CONTROL

I

VCSEL

= I

MOD

- I

DE

INTERNAL REGISTER

OFFSET

CORRECTION

4b DAC SET_TXDE

4b DAC SET_PWCTRL

9b DAC SET_IBIAS

9b DAC SET_IMOD

8b DAC SET_CML

6b DAC SET_LOS

RXDE_EN

TX_POL

CAZ1

RIN+

RSEL

SCL

SDA

CSEL

BIAS

TOUT+

TOUT-

FAULT

BMON

I

BIAS

I

MOD

I

DE

RIN-

CAZ2

AZ_EN

SQ_EN

RATE_SEL

LOS_EN

TX_EN

LOS_POL

RX_POL

ROUT+

ROUT-

LOS

TIN+

TIN-

DISABLE

R

PULL

V

CCT

10.32Gbps LIMITING AMPLIFIER

10.32Gbps VCSEL DRIVER

EYE SAFETY AND

OUTPUT CONTROL

POWER-ON RESET

1G

900MHz

Figure 2. Functional Diagram

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