SFBD-1250A4Q1R
DELTA ELECTRONICS, INC.
3 Revision:
S0
04/12/2007
www.deltaww.com
Note (4): Spectral Width (RMS)
Note (5). Transmitter eye mask definition
4. Specification of Receiver
Parameter
Symbol
Min.
Typ.
Max.
Unit
Note
Input Optical Wavelength
λ
IN
1480 1490 1500 nm
PIN-PD
Receiver Sensitivity
P
IN
-23
dBm Note
(1)
Input Saturation Power (Overload)
P
SAT
-3 dBm
Signal Detect -Assert Power
P
A
-24
dBm
Signal Detect -Deassert Power
P
D
-44 dBm
Note
(2)
Signal Detect Hysteresis
P
A
-P
D
0.5 2 5 dB
Data Output Rise/Fall time
t
r
/t
f
260
ps
Note
(3)
Optical Receiver Reflectance
-12
dB
Note (4)
1260 to 1360nm
-43
dB
1550 to 1560nm
-33
dB
Optical Isolation
from External
Source
1640 to 1665nm
-33
dB
Note (1). Measured with Light source 1490nm, ER=9dB; BER =<10
-12
@PRBS=2
7
-1 NRZ
Note (2). When SD deasserted, the data output is Low-level (fixed)
Note (3). These are 20%~80% values.
Note (4). Measured at wavelength of 1490nm.
Center Wavelength RMS spectral width(max)
nm nm
1260 2.09
1270 2.52
1280 3.13
1290
1295
1297
1329
1331
1340
3.50
1350 3.06
1360 2.58
Transmitter Spectral Limits
0
1
2
3
4
1240
1260
1280
1300
1320
1340
1360
1380
Center Wavelength (nm)
RMS
(n
m)
1
0
X1
X2
1-X2 1-X1
1+ Y 3
1
1-Y1
0.5
Y1
0
-Y2
Normalized Time
N
ormalized Amplitude
