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Optical characteristics – Delta Electronics Multimode SFP Transceiver LCP-1250A4FDRx User Manual

Page 3

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DELTA ELECTRONICS, INC.

3 Oct.,

2006

Rev. 6F

www.deltaww.com

Optical Characteristics

(V

CC

=3.3V

± 5%, Data Rate=1250Mb/sec, PRBS=2

7

-1 NRZ)

Parameter Symbol

Min.

Typ.

Max.

Unit

Note

Transmitter

Output Optical Power (Avg.)

P

O

-9.5 -4 dBm

Optical Extinction Ratio

ER

9

dB

Center Wavelength

C

830 850 860 nm

Spectral Width (RMS)

0.85

nm

Optical Rise/ Fall Time

t

r

/t

f

260

pec 1

Receiver

Sensitivity (Avg.)

P

IN

-17

dBm 2

Input Optical Wavelength

850

nm

LOS-Deasserted (Avg.)

P

A

-17

dBm

LOS-Asserted (Avg.)

P

D

-30 dBm

LOS-Hysteresis P

A

-P

D

0.5 dB

Overload P

O

-3 dBm

Notes:
1. These are unfiltered 20%~80% values

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

-12

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