1
Optoway
BTR-7840G
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BTR-7840G / BTR-7840-SPG
1310 nm TX/ 1490 nm RX , 3.3V / 1.25 Gb/s RoHS Compliant Single-Fiber Transceiver
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FEATURES
DESCRIPTION
l Bi-Directional Single-Fiber Transceiver
l Compliant with IEEE 802.3ah 1000BASE-BX
l 1310 nm DFB LD Transmitter
l 1490 nm Receiver
The BTR-7840G series is high performance module for
single fiber communications by using 1310 nm transmitter
and 1490 nm receiver. This module is equipped with
3W-TRXTM OE device to reject 1.55 um high power video
signal. The transmitter section uses a multiple quantum
well 1310 nm DFB laser and is a class 1 laser compliant
according to International Safety Standard IEC-60825. The
receiver section is designed to receive 1490 nm and block
1550 nm signal. This feature is suitable for IEEE 802.3ah and
ITU-T 983.3 application. The receiver section uses an
integrated 1490 nm detector preamplifier (IDP) mounted in
an optical header and a limiting post-amplifier IC. A PECL
logic interface simplifies interface to external circuitry.
l 1550 nm Enhanced Band Block
l 20 dB Power Budget At Least
l Link distance up to 40 km
l Industry Standard 1 x 9 Footprint
l Single +3.3 V Power Supply
l RoHS Compliant
l 0 to 70oC Operating
l LVPECL Differential Inputs and Outputs
l LVPECL Signal Detect Output: BTR-7840G
l LVTTL Signal Detect Output: BTR-7840CG
l Wave Solderable and Aqueous Washable
l Class 1 Laser International Safety Standard IEC- 60825
Compliant
LASER SAFETY
This single mode transceiver is a Class 1 laser product. It
complies with IEC-60825 and FDA 21 CFR 1040.10 and
1040.11. The transceiver must be operated within the
specified temperature and voltage limits. The optical ports of
the module shall be terminated with an optical connector or
with a dust plug.
APPLICATIONS
l WDM 1.25 Gb/s Links
l SONET/SDH Equipment Interconnect
l Fibre Channel 1.063 Gb/s Links
ORDER INFORMATION
P/No.
Bit Rate
(Gb/s)
1000
Distance
(km)
TX
RX
Voltage
(V)
Package
Temp
(oC)
TX
RX Sens.
RoHS
BASE
(nm)
(nm)
Power
(dBm)
(dBm) Compliant
BTR-7840G
BX
1.25
40
1310 DFB 1490
3.3
1X9
0 to 70
2 to -3
-23
Yes
Note: 1. BTR-XXXXXG is SC/PC receptacle type package with standard case
2. BTR-XXXXX-APBBBG is pigtail type package with different connector, A=S is SC connector, A=F is FC
connector, A=T is ST connector, A=L is LC connector, A=M is MU connector; BBB is the length of fiber in cm.
Absolute Maximum Ratings
Parameter
Storage Temperature
Operating Temperature
Soldering Temperature
Power Supply Voltage
Input Voltage
Symbol
Tstg
Topr
---
Min
-40
0
Max
85
70
Units
oC
Notes
air flow 1m/sec
oC
260
3.6
Vcc
oC
10 seconds on leads only
Vcc
---
0
V
V
GND
Output Current
Iout
0
30
mA
Recommended Operating Conditions
Parameter
Power Supply Voltage
Operating Temperature
Data Rate
Symbol
Min
3.13
0
Typ
Max
3.47
70
Units / Notes
Vcc
3.3
V
Topr
oC / Air flow 1m/sec
1250
1300
280
Mb/s
mA
Power Supply Current
Icc
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OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798
Fax: 886-3-5979737
E-mail: sales@optoway.com.tw http: // www.optoway.com.tw 10/1/2005 V2.0
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