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HFBR-5111 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Low Cost/ Industry Standard FDDI MIC Transceivers - Agilent(Hewlett-Packard)

भाग संख्या HFBR-5111
समारोह Low Cost/ Industry Standard FDDI MIC Transceivers
मैन्युफैक्चरर्स Agilent(Hewlett-Packard) 
लोगो Agilent(Hewlett-Packard) लोगो 
पूर्व दर्शन
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<?=HFBR-5111?> डेटा पत्रक पीडीएफ

HFBR-5111 pdf
FDDI PMD standard. Likewise,
the Fast Ethernet Alliance defines
the Physical Layer for the 100
Base-FX Version of IEEE 802.3u
to be the FDDI PMD standard.
Hewlett-Packard also provides
several other FDDI products
compliant with the FDDI Low
Cost Fiber (LCF) -PMD and
Single Mode (SM) -PMD
standards. These products are
available with ST, SC, and FC
connector styles. They are
available in the 1x9 transceiver
and 14- and 16-pin transmitter/
receiver package styles for those
designs that require these
alternate configurations. Contact
your Hewlett-Packard sales
representative for information on
these alternative FDDI products.
Transmitter Section
The transmitter section of the
HFBR-511X Series utilizes a 1300
nm surface emitting InGaAsP
LED. The LED is packaged in the
optical subassembly portion of
the transmitter section. It is dc-
coupled to a custom IC which
converts differential-input, PECL
logic signals, ECL referenced
(shifted) to a +5 V power supply,
into an analog LED drive current.
differential. Also, both Data and
Signal Detect outputs are PECL
compatible, ECL referenced
(shifted) to a +5 V power supply.
Package
The overall package concept for
the HP transceiver consists of the
following basic elements: two
optical subassemblies, an
electrical subassembly, and the
housing with full compliance to
the FDDI PMD standard. A block
diagram is illustrated in Figure 1.
The package outline drawings
and pin-outs are shown in Figures
2 and 3. These are compliant with
the industry standard 2x11 and
1x13 pin configurations.
The optical subassemblies utilize
a high-volume assembly process
together with low-cost lens
elements which result in a cost-
effective building block.
The electrical subassemblies
consist of a high-volume, multi-
layer printed circuit board on
which the IC chips and various
surface-mounted passive circuit
elements are attached.
Each transceiver package
includes internal shields for the
electrical and optical subassem-
blies to ensure low EMI emissions
and high immunity to external
EMI fields.
The outer housings including the
MIC receptacles are molded of
filled non-conductive plastic to
provide mechanical strength and
electrical isolation. The solder
posts of each package design are
isolated from the circuit design of
the transceiver and do not require
connection to a ground plane on
the circuit board.
Each transceiver is attached to its
printed circuit boards with the
2x11 or 1x13 signal pins and the
solder posts which exit the
bottom of the housing. The solder
posts provide the primary
mechanical strength to withstand
the loads imposed on the
transceiver when mating with
MIC-connectored fiber cables.
Application Information
The Applications Engineering
group of the Optical Communica-
tion Division is available to assist
you with the technical under
Receiver Section
The receiver section of the
HFBR-511X Series utilizes an
InGaAs PIN photodiode coupled
to a custom silicon transimped-
ance preamplifier IC. They are
packaged in the optical sub-
assembly portion of the receiver.
The PIN/preamplifier combina-
tion is ac-coupled to a custom
quantizer IC which provides the
final pulse shaping for the logic
output and the Signal Detect
function. Both the Data and
Signal Detect outputs are
DIFFERENTIAL
DATA OUT
DIFFERENTIAL
SIGNAL
DETECT OUT
ELECTRICAL SUBASSEMBLY
QUANTIZER IC
PREAMP
IC
PIN PHOTODIODE
OPTICAL
SUBASSEMBLIES
DIFFERENTIAL
DATA IN
DRIVER IC
LED
Figure 1. HFBR-5111/-5112/-5113 Block Diagram.
TOP VIEW
93

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अनुशंसा डेटापत्रक

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Agilent(Hewlett-Packard)
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