Delta-electronics Network Device LCP-1250 Manuel d'utilisateur télécharger pdf (Page 3)

DELTA ELECTRONICS, INC.

3 2007/10/23

Rev.0 B

www.deltaww.com

Optical Characteristics

=3.3V ± 5%, Data Rate=1250Mb/sec, PRBS=2

-1 NRZ)

Parameter Symbol Min. Typ. Max. Unit Note

Transmitter

Output Optical Power (Avg.) P

-4 1

dBm

Optical Extinction Ratio ER 9 dB

Center Wavelength

1480 1580 nm

Spectral Width (-20dB)

1 nm

Side-mode Suppression Ratio SMSR 30

Total Jitter (pk-pk) TJ 160 ps

Optical Rise/ Fall Time t

260 psec 1

Output Eye

Compliant with IEEE 802.3z

Receiver

Sensitivity (Avg.) P

-21

dBm 2

Input Optical Wavelength

1270 1580 nm

LOS-Deasserted (Avg.) P

-21

dBm

LOS-Asserted (Avg.) P

-40 dBm

LOS-Hysteresis P

-P

0.5 dB

Overload P

-1

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,

-1 PRBS and ER=9dB.

Mask of the eye diagram for the optical transmit signal

1 2 3 4 5 6 7 8 9 10 11

Channel 1
Absolute Maximum Ratings 2
Electrical Characteristics 2
Optical Characteristics 3
Pin Function Definitions 4
DELTA ELECTRONICS, INC 5
PLD / PAL 6
DELTA SFP Module 6
SerDes ICProtocol IC 6
Package Outline Drawing 7
Regulatory Compliance 10
Revision History 11

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Delta-electronics Network Device LCP-1250 Manuel d'utilisateur Page 3

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