Delta Electronics GBIC-1250A5FR - Manual (Page 3)

GBIC-1250A5FR
DELTA ELECTRONICS, INC.
3 2008/1/23
Rev. 0A
www.deltaww.com
Optical Characteristics
(T
A
=-5 °C to 70 °C, V
CC
=3.15V to 3.45V or V
CC
=4.75V to 5.25V, Data Rate=1250Mb/sec, PRBS=2 7 -1NRZ)
Parameter Symbol Min. Typ. Max. Unit Notes
Transmitter
Average Launched Power P
O
-9.5 -4 dBm
Optical extinction ratio ER 9 dB
Center wavelength λ
C
830 860 nm
Spectral Width σ 0.85 nm
Optical Rise/ Fall Time t
r
/t
f
260 psec 1
Receiver
Optical input sensitivity (avg.) P
IN
-17 dBm 2
Optical input saturation (avg.) P
SAT
-3 dBm
Optical Wavelength λ
C
830 860 nm
Signal Detect- Assert P
A -17
dBm
Signal Detect- Deassert P
D
-30 dBm
Signal detect- Hysteresis P
A
-P
D
0.5 dB
Note:
1. These are 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.
1 0 X1 X2 1-X2 1-X1
1+ Y 3
1
1- Y1
0.5
Y1
0
- Y2
Normalize d Time
Normalized Amp
litu
d
e