參數(shù)資料
型號(hào)： HFCT-5402D
英文描述： 2488 Mb/s Single Mode Fiber Transceiver for SONET OC-48/SDH STM-16 and ATM(應(yīng)用于SONET OC-48/SDH STM-16 和ATM的2488 Mb/s 單模式光收發(fā)器)
中文描述： 2488 Mb / s的掃描隧道顯微鏡的SONET OC-48/SDH單模光纖收發(fā)器- 16和ATM（應(yīng)用于的SONET OC-48/SDH的STM - 16和自動(dòng)柜員機(jī)的2488 Mb / s的單模式光收發(fā)器）
文件頁(yè)數(shù)： 12/20頁(yè)
文件大?。?/td> 1017K
代理商： HFCT-5402D
12
EMI Radiation/Susceptibility
EMI suppression becomes
increasingly difficult when
operating at high data rates. EMI
radiation measurements
performed to date indicate the
need to use external shielding in
order to meet FCC Class A
chassis emissions requirements.
The recommended metal shield
for the transceiver is shown in
Figure 3. The shield requires good
connection to signal ground for
effective suppression. The typical
emission peaks are at ~2.5 GHz
and ~7.5 GHz. It is recommended
that the user adopts an approach
where the transceiver module is
sited within the chassis/rack
confines and a short patchcord
used to link the transceiver to the
optical interface in the front panel.
Front panel mounting is not
recommended due to the aperture
size required which will not be
sufficiently suppressive for
frequencies above 7.5 GHz.
Metal bodied simplex/single SC
adaptors are recommended for the
front panel. This body type is
preferred to the all plastic version
because it presents a reduced
aperture for improved emissions
suppression. Duplex SC adaptors
are not recommended as the
larger aperture required for front
panel mounting may allow high
frequency radiation.
EMI susceptibility has been tested
to 10 V/M field strength with
minimal degradation of receiver
sensitivity.
Compatibility Trials
The HFCT-5402D transceiver has
been evaluated using Vitesse
Semiconductors VS8004 and
VS8005 Mux/Demux chipsets and
compatibility has been confirmed
with a 9 dB margin of electrical
attenuation between the
HFCT-5402D module and the
VS8005 Demux inputs. Figure 21
shows the test configuration. An
additional Demux is deployed
between the pattern generator and
the Mux to avoid the need for
multiple pattern generators. Also,
a 3 dB electrical attenuator is
required at the transmitter inputs
to prevent the 1.2 V
p-p
Mux data
signal from overloading the Tx
inputs of the HFCT-5402D module.
Compatibility trials have also
been successful using the
VSC8062 and VSC8063 chipsets.
A joint reference design combining
both the Agilent HFCT-5402D
transceiver and AMCC Mux S3041/
Demux S3042 ICs on a common
PC board has been completed and
good performance achieved. The
aim of this exercise was to design
a functional board with a view of
sharing relevant layout and circuit
information with the optics system
designer. Figure 22 shows the
reference design board. Full
description of the design, layout,
measurements and results are
beyond the scope of this document
but a separate document is
available. Please contact your
Agilent representative for further
information.
Recommended Solder and
Wash Process
The HFCT-5402D is compatible
with industry standard wave or
hand solder processes.
HFCT-5402D Process Plug
The HFCT-5402D transceiver is
supplied with a process plug for
protection of the optical ports with
the Duplex SC connector
receptacle. This process plug
prevents contamination during
wave solder and aqueous rinse as
well as during handling, shipping
or storage. It is made of high-
temperature, molded, sealing
material that will withstand +80°C
and a rinse pressure of 50 lb/in
2
.
Recommended Solder Fluxes and
Cleaning/Degreasing Chemicals
Solder fluxes used with the
HFCT-5402D fiber-optic
transceiver should be water-
soluble, organic solder fluxes.
Some recommended solder fluxes
are Lonco 3355-11 from London
Chemical West, Inc. of Burbank,
CA, and 100 Flux from Alpha-
metals of Jersey City, NJ.
Recommended cleaning and
degreasing chemicals for the
HFCT-5402D are alcohol’s (methyl,
isopropyl, isobutyl), aliphatics
(hexane, heptane) and other
chemicals, such as soap solution
or naphtha. Do not use partially
halogenated hydrocarbons for
cleaning/degreasing. Examples of
chemicals to avoid are 1.1.1.
trichloroethane, ketones (such as
MEK), acetone, chloroform, ethyl
acetate, methylene dichloride,
phenol, methylene chloride or
N-methylpyrolldone.
Regulatory Compliance
The HFCT-5402D is intended to
enable commercial system
designers to develop equipment
that complies with the various
regulations governing certification
of Information Technology
Equipment. Additional information
is available from your Agilent
sales representative.
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HFCT-5611UZ 功能描述:光纖發(fā)射器、接收器、收發(fā)器 GBIC 1.25 Gb/s 1550n m 24dB RoHS RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長(zhǎng):850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝:
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