1
Optoway
BTRS-7820CG
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BTRS-7820CG / BTRS-7820C-SPG / BTRS-7820ACG / BTRS-7820AC-SPG
1310 nm TX/ 1490 nm RX , 3.3V / 1250 Mbps 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 LD Transmitter
The BTRS-7820CG 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 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
1000BASE-BX 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 1490 nm Receiver
l 1550 nm Enhanced Band Block
l 14 dB Power Budget At Least
l Link distance up to 20 km
l Single +3.3 V Power Supply
l RoHS Compliant
l 0 to 70oC Operating: BTRS-7820CG
l -20 to 85oC Operating: BTRS-7820ACG
l LVPECL Differential Inputs and Outputs
l LVTTL Signal Detect Output
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 Gigabit Ethernet Links
l SONET/SDH Equipment Interconnect
l Fiber Channel Links
ORDER INFORMATION
P/No.
Bit Rate
(Gb/s)
IEEE
802.3ah
1000BASE
BX
Distance
(km)
TX
RX
Voltage
(V)
Package
Temp
(oC)
TX
RX Sens.
RoHS
(nm)
(nm)
Power
(dBm)
-3 to -8
(dBm) Compliant
BTRS-7820CG
1.25
1.25
20
20
1310
1310
1490
1490
3.3
3.3
SC, 2X5
SC, 2X5
0 to 70
-22
-22
Yes
Yes
BTRS-7820ACG
BX
-20 to 85 -3 to -8
Note: 1. BTRS-XXXXXG is SC/PC receptacle type package with standard case
2. BTRS-XXXXXEG is SC/PC eceptacle type package with extended case
3. BTRS-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
Symbol
Tstg
Topr
Min
Max
Units
oC
oC
Notes
-40
0
85
70
BTRS-7820CG
-20
85
BTRS-7820ACG/air flow 1m/sec
10 seconds on leads only
Soldering Temperature
Power Supply Voltage
Input Voltage
---
Vcc
---
260
3.6
Vcc
oC
V
0
GND
0
V
Output Current
Iout
30
mA
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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 10/1/2009 V3.0
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