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DELTA ELECTRONICS, INC.
4 Nov., 2006
Rev. 0C
www.deltaww.com
Optical Characteristics (LCP-1250B4QSR)
(V
CC
=3.135V to 3.465V, Data Rate=1.25Gb/sec, PRBS=2
7
-1 NRZ, 9/125μm SMF)
Parameter Symbol Min. Typ. Max. Unit Note
Transmitter
Output Optical Power (Avg.) PO -9.5 -3 dBm
Optical Extinction Ratio ER 9 dB
Center Wavelength
λ
C
1270 1310 1355 nm
Spectral Width
σ
4 nm
Optical Rise/ Fall Time
t
r
/t
f
260 psec 1
Total Jitter (pk-pk)
TJ
TX
220 psec
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.) PIN -19 dBm 1
Input Optical Wavelength
λ
1310 nm
LOS- De-Asserted (Avg.) PD -19 dBm 2
LOS- asserted (Avg.) PA -30 dBm 2
LOS-Hysteresis PD-PA 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 1.25Gb/s,
2
7
-1 PRBS and ER=9dB.
Mask of the eye diagram for the optical transmit signal