HFBR-5208AEMZ 查看數據表（PDF） - Avago Technologies

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HFBR-5208AEMZ

1 x 9 Fiber Optic Transceivers for 622 Mb/s ATM/SONET/SDH Applications

Avago Technologies 

HFBR-5208xxxZ Family, 1300 nm LED

Receiver Optical Characteristics

(TA = 0°C to +70°C, VCC = 4.75 to 5.25 V. Typical @+25°C, 5 V)

(TA = -40°C to +85°C, VCC = 4.75 to 5.25 V. Typical @+25°C, 5 V for A specification part)

Parameter

Symbol Minimum Typical Maximum

Minimum Input Optical Power at window edge

PIN MIN

(W)

-29.0 -26

Minimum Input Optical Power at eye center

PIN MIN (C)

-30.5

Input Optical Power Maximum

Input Operating Wavelength

Systematic Jitter Contributed by the Receiver

Random Jitter Contributed by the Receiver

Signal Detect - Asserted

Signal Detect - Deasserted

Signal Detect - Hysteresis

PIN MAX

l

SJ

RJ

PA

PD

PA - PD

-14

1270

PD +1.0 dB

-45

1.0

-11

0.1

0.25

-30.5

-33.7

3.2

1380

0.30

0.48

-28

5

Unit

Notes

dBm avg. 10

Fig 2

dBm avg. 10

Fig 2,3

dBm avg. 10

nm

ns p-p

ns p-p

dBm avg.

dBm avg.

dB

Notes:

10. This specification is intended to indicate the performance of the receiver section of the transceiver when the input power ranges from the

minimum level (with a window time-width) to the maximum level. Over this range the receiver is guaranteed to provide output data with a

Bit Error Ratio (BER) better than or equal to 1 x 10-10

• At the Beginning of Life (BOL)

• Over the specified operating temperature and voltage ranges

• Input is at 622.08 Mbd, 223-1 PRBS data pattern with 72 “1”s and 72 “0”s inserted per the CCITT (now ITU-T) recommendation G.958 Appendix

1.

• Receiver worst-case output data eye-opening (window time-width) is measured by applying worst-case input system-

atic (SJ) and randomjitter (RJ). The worst-case maximum input SJ = 0.5 ns peak-to-peak and the RJ = 0.15 ns peak-to-

peak per ANSI T1.646a standard. Since the input (transmitter) random jitter contribution is very small and difficult to

produce exactly, only the maximum systematic jitter is produced and used for testing the receiver. The corresponding re-

ceiver test window time-width must meet the requirement of 0.31 ns or larger. This worst-case test window time-width

results from the following jitter equation: Minimum Test Window Time-Width = Baud Interval - Tx SJ max. - Rx SJ max. - Rx RJ max.

espectively, Minimum Test Window Time-Width = 1.608 ns - 0.50 ns - 0.30 ns - 0.48 ns = 0.328 ns.

This is a test method that is within practical test error of the worst-case 0.31 ns limit.

• Input optical rise and fall times (10% - 90%) are 0.7 ns and 0.9 ns respectively.

• Transmitter operating with a 622.08 MBd, 311.04 MHz square wave input signal to simulate any cross talk present between the transmitter and

receiver sections of the transceiver.

14

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