Справочник Пользователя для Delta Electronics SPBD-1250B4Q1R
SPBD-1250B4Q1R
DELTA ELECTRONICS, INC.
3 Revision:
S1
03/12/2007
www.deltaww.com
4. Specification of Receiver
Parameter
Symbol
Min.
Typ.
Max.
Unit
Note
Input Optical Wavelength
λ
IN
1260 1360 nm PIN-PD
Receiver Sensitivity
P
IN
-23
dBm Note
(1)
Input Saturation Power (Overload)
P
SAT
-3 dBm
Receive Sensitivity OMA
OMA
5.0
-21.1
uW
dBm
Note (2)
LOS-Deassert Power
P
A
-
-24
dBm
LOS-Assert Power
P
D
-44 dBm
Note
(3)
LOS Hysteresis
P
A
-P
D
0.5 2 6 dB
Receiver Reflectance
-12
dB
Note (4)
Stressed Receive sensitivity
-15.4
dBm
Stressed Receive sensitivity OMA
44.8
-13.5
uW
dBm
Vertical Eye-closure Penalty
V ECP
2.6
dB
Deterministic Jitter
DJ
170
ps
Total Jitter
TJ
266
ps
Output Data Rise/Fall time
t
r
/t
f
260
ps
Note
(5)
Receiver 3dB upper cutoff frequency
1500
MHz
Note (1). Measured with 1310nm, ER=9dB; BER =<10
-12
@PRBS=2
7
-1 NRZ
Note (2). Specified with minimum optical extinction ration of 9dB.
Note (3). When LOS asserted, the data output is Low-level (fixed)
Note (4). When the terminal is viewed from the optical path, the reflection toward the optical path of the
Note (3). When LOS asserted, the data output is Low-level (fixed)
Note (4). When the terminal is viewed from the optical path, the reflection toward the optical path of the
optical signal with a central wavelength of 1260nm to 1360nm transmitted to terminal.
Note (5). These are 20%~80% values
1
0
X1 X2
1-X2 1-X1
1+Y3
1
1-Y1
0.5
Y1
0
-Y2
Normalized
N
orm
alized Am
pl
itude