HFBR-772BxxxZ and HFBR-782BxxZ

Pluggable Parallel Fiber Optic Modules,

Transmitter and Receiver

Datasheet Addendum

Description

The HFBR-772BxxxZ transmitter and HFBR-782Bxxz receiver are high performance fiber optic modules for parallel

optical data communications applications. These 12 channels devices are optimized for short reach optical link ap-

plications requiring data transfer rates of up to 2.7 Gb/s per channel. For applications requiring higher data rates, the

HFBR-772BxxxZ and HFBR-782Bxxz can be operated at 3.125 Gb/s with reduced link length and marginally increased

link contributed jitter. This data sheet addendum highlights the changes to maximum link distance and contributed

jitter that can be expected when operating at 3.125 Gb/s.

Table 1. Modified Module Specifications @ 3.125 Gb/s

Description

Symbol

Maximum

Average

Minimum

Units

Notes

Link Distance (500 MHz.km)

220

m

300 m max @ 2.5 Gb/s

Link Distance (2000 MHz.km)

400

m

600 m max @ 2.5 Gb/s

TX Contributed Deterministic Jitter

DJ

70

30

ps

60 ps @ 2.5 Gb/s

TX Contributed Total Jitter

TJ

130

70

ps

120 ps @ 2.5 Gb/s

RX Input Optical Power Sensitivity

Pin Min

-14

-16.5

dBm avg

-16 dBm max @2.5 Gb/s

Stressed RX Eye Opening

180

110

ps

120ps min @ 2.5 Gb/s

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Data subject to change. Copyright © 2005-2013 Avago Technologies. All rights reserved. Addendum to