DELTA ELECTRONICS, INC.
3 2008/3/18
Rev. 0A
www.deltaww.com
Optical Characteristics
(V
CC
=3.135V to 3.465V, Data Rate=4.25Gb/sec, PRBS=2
7
-1 NRZ, 50/125
µ
m MMF)
Parameter Symbol
Min.
Typ.
Max.
Unit Note
Transmitter
Output Optical Power (Avg.)
P
O
-9 -3 dBm
1
Optical Modulation Amplitude
@ 4.25 Gb/s
@ 2.125 Gb/s
@ 1.0625 Gb/s
OMA
247
196
156
µ
W
2
Center Wavelength
λ
830
860 nm
Spectral Width (RMS)
σ
0.85
nm
Optical Rise/Fall Time (20% - 80%)
t
r
/ t
f
90/90
psec
3
Relative Intensity Noise
RIN
-118
dB/Hz
Output Eye
Complies with the ANSI FC-PI Rev. 13 specification, and is class 1
laser eye safety
Receiver
Average Receiver Power
P
x (MAX)
-3
dBm
.
Sensitivity in OMA
@ 4.25 Gbit/s
@ 2.125 Gb/s
@ 1.062 Gb/s
P
IN
61
49
31
uW 4
Input Optical Wavelength
λ
830
870 nm
LOS-De-asserted (Avg.)
P
D
-19
dBm
LOS-Asserted (Avg.)
P
A
-30
dBm
LOS-Hysteresis P
D
-P
A
0.5
dB
Optical Return Loss
ORL
12
dB
Notes:
1. Into multimode fiber, 62.5
µ
m or 50
µ
m diameter.
2. Equivalent extinction ratio specification for Fiber Channel. Allows smaller ER at higher average power.
3. Measured at nominal data rate. These are unfiltered 20%~80% values.
4. The sensitivity is tested at a BER of 1×10
-12
or better with an input signal consisting of 2
7
-1 NRZ PRBS.
Mask of the eye diagram for the optical transmit signal
