Delta-electronics Single Mode SFP Transceiver LCP-1250B4MDRx Instrukcja Użytkownika Pobierz pdf (Strona 3)

DELTA ELECTRONICS, INC.

3 2007/11/29

Rev. 0A

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

1274 1310 1355 nm

Spectral Width (-20dB)

1 nm

Side-mode Suppression Ratio SMSR 30 dB

Optical Rise/ Fall Time t

260 psec 1

Relative Intensity Noise RIN -120 dB/Hz

Output Eye

Compliant with IEEE 802.3z

Receiver

Sensitivity (Avg.) P

-23 dBm 2

Input Optical Wavelength

1270 1570 nm

LOS-Deasserted (Avg.) P

-23 dBm

LOS-Asserted (Avg.) P

-40 dBm

LOS-Hysteresis P

-P

0.5 dB

Overload (Avg.) 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 ... 13 14

Channel 1
Absolute Maximum Ratings 2
Electrical Characteristics 2
Optical Characteristics 3
Pin Function Definitions 4
PLD / PAL 6
DELTA SFP Module 6
SerDes ICProtocol IC 6
Package Outline Drawing 7
DELTA ELECTRONICS, INC 11
Regulatory Compliance 13
Revision History 14

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