參數(shù)資料
型號(hào): HFCT-5905E
英文描述: MT-RJ Duplex Single Mode Transceiver(MT-RJ 雙工單模式收發(fā)器)
中文描述: 噸,個(gè)RJ雙工單模收發(fā)器(噸,個(gè)RJ雙工單模式收發(fā)器)
文件頁數(shù): 4/12頁
文件大?。?/td> 161K
代理商: HFCT-5905E
4
Functional Description
Transmitter Section
Design
The transmitter section uses a
buried heterostructure Fabry
Perot laser as its optical source.
The package of this laser is
designed to allow repeatable
coupling into single mode fiber.
In addition, this package has
been designed to be compliant
with IEC 825 Class 1 and CDRH
Class I eye safety requirements.
The optical output is controlled
by a custom IC which detects the
laser output via the monitor
photodiode. This IC provides
both dc and ac current drive to
the laser to ensure correct
modulation, eye diagram and
extinction ratio over
temperature, supply voltage and
life.
Solder and Wash Process
Compatibility
The transceivers are delivered
with protective process plugs
inserted into the MT-RJ
connector receptacle. This
process plug protects the optical
subassemblies during wave
solder and aqueous wash
processing and acts as a dust
cover during shipping.
These transceivers are compat-
ible with either industry standard
wave or hand solder processes.
Each process plug can only be
used once during processing,
although with subsequent use, it
can be used as a dust cover.
Figure 2. Simplified Transmitter Schematic
DATA
DATA
PECL
INPUT
LASER
MODULATOR
LASER
LASER BIAS
DRIVER
LASER BIAS
CONTROL
PHOTODIODE
(rear facet monitor)
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