Delta Electronics Single Mode SFP Transceiver LCP-1250B4QDRx - Manual (Page 3)

DELTA ELECTRONICS, INC.
3 2008/1/23
Rev. 6G
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 -3 dBm
Optical Extinction Ratio 9 dB
Center Wavelength λ
C
1274 1310 1355 nm
Spectral Width (RMS) σ 4 nm
Optical Rise/ Fall Time t
r
/t
f
260 psec 1
Receiver
Sensitivity (Avg.) P
IN
-20 dBm 2
Input Optical Wavelength λ 1270 1570 nm
LOS-Deasserted (Avg.) P
A
-19 dBm
LOS-Asserted (Avg.) P
D
-36 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