SBL82314N ,Low Power BIDI Optical Standard Module 1550 nm Emitting/ 1310 nm ReceivingFiber Optics Low Power SBL82314x®BIDI Optical Standard Module1550 nm Emitting, 1310 nm Receiving
SBL860 ,Conductor Holdings Limited - SCHOTTKY BARRIER RECTIFIER
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SCN8031HACN40 , SINGLE CHIP 8 BIT MICROCONTROLLER
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SBL82314N
Low Power BIDI Optical Standard Module 1550 nm Emitting/ 1310 nm Receiving
Low Power
BIDI® Optical Standard Module
1550 nm Emitting, 1310 nm Receiving
SBL82314x
Fiber Optics
FeaturesDesigned for application in passive-optical
networksIntegrated Wavelength Division Multiplexer
(WDM) or Beam SplitterBi-Directional Transmission in 2nd and 3rd
optical windowSingle fiber solutionFP-Laser Diode with Multi-Quantum Well structureClass 3B Laser ProductSuitable for bit rates up to 1.25 Gbit/sTernary Photodiode at rear mirror for monitoring and control of radiant powerLow noise / high bandwidth PIN diode Hermetically sealed subcomponents, similar to TO 46With singlemode fiber pigtail
Pin Configuration
Figure1Transmitter
Figure2Receiver
Available Pinnings
DescriptionThe Infineon module for bidirectional optical transmission has been designed for
different optical networks structures.
In the last few years the structure has changed from point to point planned for Broad
band ISDN to a point to multipoint passive optical network (PON) architecture for the
optical network in the subscriber loop.
A transceiver can be realized with discrete elements (Figure
3). Transmitter andreceiver with pigtails are connected with a fiber-coupler (2:1 or 2:2, wavelength
independent or WDM).
Figure3Realization with Discrete ElementsInfineon has realized this transceiver configuration in a compact module called a BIDI®
(Figure
4).This module is especially suitable for separating the opposing signals at the ends of a
link. It replaces a discrete solution with a transmitter, receiver and coupler.
The basic devices are a laser diode and a photodiode, each in a TO package, plus the
filter in the beam path. A lens in the TO laser concentrates the light and enables it to be
launched into the single-mode fiber of the module. In the same way the light from the
fiber is focused onto the small, light-sensitive area of the photodiode to produce a high
photo current. The mirror for coupling out the received signal is arranged in the beam so
that the transmitter and receiver are at right angles to each other. This means the
greatest possible degree of freedom in the layout of the electric circuit.
Figure4Compact Realization of the Transceiver in One ModuleA decisive advantage of the module is its use of standard TO components. These
devices, produced in large quantities, are hermetically sealed and tested before they are
built in. This makes a very substantial contribution to the excellent reliability of the
module. The solid metal package of the module serves the same purpose. It allows the
use of modern laser welding techniques for reliable fixing of the different elements and
the fiber holder.
Technical Data
Absolute Maximum Ratings
Module
Laser Diode
Monitor Diode
Receiver Diode
The electro-optical characteristics described in the following tables are only valid for use
within the specified maximum ratings or under the recommended operating conditions.
Transmitter Electro-Optical Characteristics
Monitor Diode Electro-Optical CharacteristicsThe tracking error TE is the maximum deviation of PF at constant current Imon over a specified temperature
range and relative to the reference point: Imon, ref = Imon (T = 25°C, PF = 0.5 PF, max.). Thus, TE is given by:dB[]10PFTC[]
-------------------------log×=
