Delta Electronics SPBD-155E4J1R Manuale Utente
SPBD-155E4J1R
DELTA ELECTRONICS, INC.
3 Revision:
S1
09/20/2006
www.deltaww.com
4. Specification of Receiver
Parameter
Symbol
Min.
Typ.
Max.
Unit
Note
Input Optical Wavelength
λ
IN
1480 1600 nm PIN-PD
Receiver Sensitivity
P
IN
-31
dBm Note
(1)
Input Saturation Power (Overload)
P
SAT
-3 dBm
LOS-Deassert Power
P
A
-
-32
dBm
LOS-Assert Power
P
D
-44 dBm
Note
(2)
LOS Hysteresis
P
A
-P
D
0.5 2 5 dB
Optical Reflectance
-14
dB
Note (3)
Output Data Rise/Fall time
t
r
/t
f
1.5
ns
Note
(4)
S/X Endurance
10
dB
Note (5)
Optical Isolation
25
dB
Note (6)
Note (1). Measured with 1520nm, ER=10dB; BER =<10
-10
@PRBS=2
23
-1 NRZ
Note (2). When LOS asserted, the data output is Low-level (fixed)
Note (3). When the terminal is viewed from the optical path, the reflection toward the optical path of the
Note (3). When the terminal is viewed from the optical path, the reflection toward the optical path of the
optical signal with a central wavelength of 1480nm to 1580nm transmitted to terminal.
Note (4). These are 20%~80% values
Note (5). X=10 MHz, Rectangular BER =10
Note (5). X=10 MHz, Rectangular BER =10
-10
Note (6). Receiver isolation between 1260nm ~1360nm
0.85
1.20
0.80
1.00
0.50
0.20
0.00
-0.20
A
m
pl
itu
de
0.35
0.15
0.00
Time
0.65
Mean level of logical "0"
1.00
Mean level of logical "1"
Optical Pulse Mask with Bessel Filter Specified in ITU-T G.957