Delta Electronics SFBD-1250A4Q1R - Manual (Page 3)

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