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Single mode transceiver – Delta Electronics OPT-1250xxxx Series User Manual

Page 3

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OPT-1250xxxx Series

DELTA ELECTRONICS, INC.

3 Jan.,

2008

Rev. 0H

www.deltaww.com

Single Mode Transceiver

(OPT-1250B1Q1x, OPT-1250B2Q1x, OPT-1250B4Q2x)

(At recommended ambient operating temperature, T

A

and supply voltage, V

CC

; Data Rate=1.25Gb/sec,

PRBS=2

7

-1 NRZ, 9/125um SMF)

Parameter Symbol

Min.

Typ.

Max.

Unit

Note

Transmitter

Output Optical Power (Avg.)
OPT-1250BxIx
OPT-1250BxQx

P

O

-12

-9.5

-3
-3

dBm

Optical Extinction Ratio

ER

9

dB

Center Wavelength

λ

C

1270 1310 1355 nm

Spectral Width (RMS)

σ

4.5

nm

Optical Rise/Fall time

t

r

/t

f

0.4

ns

1

Relative Intensity Noise

RIN

-120

dB/Hz

Output Eye

Complies with the IEEE 802.3z/D2 specification, and is class 1
laser eye safety

Receiver

Sensitivity (Avg.)

P

IN

-19

dBm

2

Input Optical Wavelength

λ

1310 nm

Optical Rise/Fall Time

t

r

/t

f

0.5

ns

1

Signal Detect-Asserted (Avg.)

P

A

-19

dBm

Signal Detect-De-asserted (Avg.)

P

D

-35

dBm

Signal Detect-Hysteresis

P

A

-P

D

0.5 dB

Receiver Saturation Power

P

SAT

-3

dBm


Notes:

1. These are unfiltered 20%~80% values

2. The sensitivity is provided at a BER of 1×10

-10

or better with an input signal consisting of

1250Mb/s, 2

7

-1 PRBS and ER=9dB.

Mask of the eye diagram for the optical transmit signal