Delta Electronics GBIC Interface Converters GBIC-1250B5QR - Manual (Page 3)

GBIC-1250B5QR
DELTA ELECTRONICS, INC.
3 2008/01
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
GBIC-1250B5QR
P
O -9.5 -3
dBm
Optical extinction ratio ER 9 dB
Center wavelength
GBIC-1250B5QR
λ
C 1274 1310 1355
nm
Spectral Width
GBIC-1250B5QR (RMS)
σ
4
nm
Optical Rise/ Fall Time t
r
/t
f
260 psec 2
Receiver
Optical input sensitivity (avg.)
GBIC-1250B5QR
P
IN -20
dBm 1
Optical input saturation (avg.)
GBIC-1250B5QR
P
SAT -3
dBm
Optical Wavelength
GBIC-1250B5QR
λ
C 1274 1310 1355
nm
Signal Detect- Assert
GBIC-1250B5QR
P
A -20
dBm
Signal Detect- Deassert
GBIC-1250B5QR
P
D
-40
dBm
Signal detect- Hysteresis P
A
-P
D
0.5 dB
Note:
1. 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.
2. These are 20%~80% values.
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