Delta Electronics SFBD-1250A4Q1R User Manual
SFBD-1250A4Q1R
Small Form Factor Bi-Directional Transceiver
Module for Gigabit Ethernet
FEATURES
RoHS compliant
IEEE802.3ah Gigabit Ethernet compliant
SFF package with bi-directional SC
receptacle
Upstream 1.25Gbps transmitter with 1310nm
FP Laser, and downstream 1.25Gbps receiver
with 1490nm PIN-TIA
Integrated with WDM filter to cut 1550nm and
1650nm optical signal off
Single +3.3V power supply
LVTTL Transmitter Enable input and Rx
Signal Detect output
Description
The SFBD-1250xxxx series are 3.3V small
Form Factor Bi-Directional Transceiver Module
designed expressly for high-speed
communication applications that require rates of
up to 1.25Gbit/sec. It is compliant with the
Gigabit Ethernet standards, as well as the SFF
Multisource Agreement (MSA).
The module consists 1310nm FP laser,
InGaAs PIN, Preamplifier and WDM filter in a
high-integrated optical sub-assembly, and it is
contained in a standard SFF package with a
9/125um SC receptacle connector.
Laser Class 1 Product which comply with the
requirements of IEC 60825-1 and IEC 60825-2
Application
IEEE 802.3ah 1000BASE-BX10-U
GE-Media Converter
Gigabit Ethernet P2P Optical Network
FTTx WDM Broadband Access
SFBD-1250A4Q1R data link up to 10km in
9/125um single mode fiber.
DELTA ELECTRONICS, INC.
1 Revision: S0
04/12/2007
www.deltaww.com
SFBD-1250A4Q1R
1. Absolute Maximum Ratings
Parameter Symbol Min. Typ. Max. Unit Note
Storage Temperature Ts -40 85 ºC
Storage Ambient Humidity HA 5 95 %
Power Supply Voltage VCC -0.3 4 V
Signal Input Voltage -0.3 Vcc+0.3 V
Receiver Damage Threshold +3 dBm
Lead Soldering Temperature T
Lead Soldering Time t
260 ºC
SOLD
10 sec
SOLD
2. Recommended Operating Conditions
Parameter Symbol Min. Typ. Max. Unit Note
Ambient Operating Temperature TA 0 70 ºC
Ambient Humidity HA 5 85 %
Power Supply Voltage VCC 3.13 3.3 3.47 V
Power Supply Current ICC 300 mA
Power Supply Noise Rejection 100 mVp-p
Data Rate
1.25
-100ppm
1.25
1.25
+100ppm
Gbps
Transmission Distance 10 km
Without air flow
Non-condensing
100Hz to 1MHz
3. Specification of Transmitter
Parameter Symbol Min. Typ. Max. Unit Note
Average Launched Power PO
Launched power (Peak.) PP
Extinction Ratio ER
Center Wavelength
Spectrum Width (RMS)
Transmitter OFF Output Power P
λ
σ
Off
C
Optical Rise/Fall Time tr/tf 260 ps Note (2)
Total Jitter tJ 227 ps Note (3)
Optical Return Loss Tolerance ORLT 12 dB
Relative Intensity Noise RIN12OMA -113 dB/Hz
Optical Transmitter Reflectance -6 dB
Transmitter and Dispersion Penalty TDP 3.3 dB
Output Eye Mask
{X1,X2,Y1,Y2,Y3}
Compliant with IEEE 802.3ah
{0.22,0.375,0.20,0.20,0.30}
Note (1). Launched power (avg.) is power coupled into a single mode fiber with master connector.
Note (2). These are unfiltered 20-80% values.
Note (3). Measure at 2
7
-1 NRZ PRBS pattern
-9 -3
0
9
dBm Note (1)
dBm
dB
1260 1310 1360 nm FP Laser
Compliant with IEEE 802.3ah
-45
nm Note (4)
dBm
Note (5)
DELTA ELECTRONICS, INC.
2 Revision: S0
04/12/2007
www.deltaww.com
R
N
N
Note (4): Spectral Width (RMS)
Center Wavelength
nm nm
1260 2.09
1270 2.52
1280 3.13
1290
1295
1297
1329
1331
1340
1350 3.06
1360 2.58
MS spectral width(max)
3.50
Note (5). Transmitter eye mask definition
SFBD-1250A4Q1R
Transmitter Spectral Limits
4
3
2
RMS (nm)
1
0
1240 1260 1280 1300 1320 1340 1360 1380
1+ Y 3
1
1-Y1
0.5
Y1
ormalized Amplitude
0
-Y2
X1 X2
ormalized Time
Center Wavelength (nm)
1-X1
1-X2
1
4. Specification of Receiver
Parameter Symbol Min. Typ. Max. Unit Note
λ
SAT
IN
1480 1490 1500 nm PIN-PD
-23
dBm Note (1)
-3 dBm
-12
@PRBS=27-1 NRZ
3 Revision: S0
04/12/2007
www.deltaww.com
Input Optical Wavelength
Receiver Sensitivity PIN
Input Saturation Power (Overload) P
Signal Detect -Assert Power PA -24 dBm
Signal Detect -Deassert Power PD -44 dBm Note (2)
Signal Detect Hysteresis PA-PD 0.5 2 5 dB
Data Output Rise/Fall time tr/tf 260 ps Note (3)
Optical Receiver Reflectance -12 dB Note (4)
Optical Isolation
from External
Source
1260 to 1360nm -43 dB
1550 to 1560nm -33 dB
1640 to 1665nm -33 dB
Note (1). Measured with Light source 1490nm, ER=9dB; BER =<10
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.
DELTA ELECTRONICS, INC.
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