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DELTA ELECTRONICS, INC.
3 Jan. 2008
Rev. 0B
www.deltaww.com
Optical Characteristics
(V
CC
=3.135V to 3.465V, Data Rate=155Mb/sec, PRBS=2
23
-1 NRZ, 9/125µm SMF)
Parameter Symbol Min. Typ. Max. Unit Note
Transmitter
Output Optical Power (Avg.) P
O
-5 0
dBm
Optical Extinction Ratio ER 10 dB
Center Wavelength
C
1263 1310 1360 nm
Spectral Width (RMS)
3
nm
Optical Rise/Fall Time
t
r
/t
f
2 ns 1
Output Eye
Compliant with Bellcore TR-NWT-000253 and ITU recommendation
G.957
Receiver
Sensitivity (Avg.) P
IN
-34
dBm 2
Input Optical Wavelength
1200 1310 1600 nm
LOS-Deasserted (Avg.) P
A
-34
dBm
LOS-Asserted (Avg.) P
D
-48 dBm
LOS-Hysteresis P
A
-P
D
0.5 dB
Overload P
O
-3 dBm
Notes:
1. These are unfiltered 10%~90% values.
2. The sensitivity is provided at a BER of 1×10
-10
or better with an input signal consisting of 155Mb/s,
2
23
-1 PRBS and ER=9dB.
Mask of the eye diagram for the optical transmit signal