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參數(shù)資料
| 型號(hào)： | HFCT-5305 |
| 英文描述： | Gigabit Ethernet: 1.25 GBd 1300 nm Laser Transceiver in Low Cost 1 x 9 Package Style |
| 中文描述： | 千兆位以太網(wǎng)：1.25 GBd 1300 nm激光收發(fā)器的低成本1 × 9封裝形式 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 178K |
| 代理商： | HFCT-5305 |
565
Gigabit Ethernet: 1.25 GBd
1300 nm Laser Transceiver
in Low Cost 1 x 9 Package Style
Preliminary Technical Data
Features
Compliant with Proposed
Specifications for IEEE-
802-3 Gigabit Ethernet
1300 nm Trenched BH Laser
Source Technology
Industry Standard 1 x 9
Package Style with Integral
Duplex SC Connector
Class 1 Laser Safety
(Certification Pending)
3 km Links in 8/125
μ
m SMF
Cables
550 m Links in 62.5/125
μ
m
MMF Cables
Single +5 V Power Supply
Operation and PECL Logic
Interfaces
Wave Solder and Aqueous
Wash Process Compatible
Designed and Manufactured
in an ISO 9000 Certified
Facility
Applications
Host to Host Interface
HFCT-5305
Preliminary Product Disclaimer
This preliminary data sheet is provided to assist you in the evaluation of engineering samples of the product which is under development
and targeted for release during 1997. Until Hewlett-Packard releases this product for general sales, HP reserves the right to alter prices,
specifications, features, capabilities, function, manufacturing release dates, and even general availability of the product at any time.
Description
General Transmitter Section
The transmitter section consists
of a 1300 nm Laser in an eye safe
optical subassembly, (ELSA),
which mates to the fiber cable.
The ELSA is driven by a custom
silicon bipolar IC which converts
differential PECL logic signals,
ECL referenced to a +5 V supply,
into an analog Laser Diode drive
current.
Eye Safety Design
The ELSA is designed to be eye
safe under a single fault condi-
tion. To be eye-safe, only one of
two results can occur in the event
of a single fault. The transmitter
must either maintain a safe level
of output power or the trans-
mitter should be disabled.
The ELSA contains a patented
optical fiber stub which restricts
the level of light emerging from
the connector port under all
conditions. Overdriving the laser
(even to destruction) cannot
produce enough light to violate
the IEC safe level. As a result the
HFCT-5305 is intrinsically eye
safe.
Receiver Section
The receiver includes an InP PIN
photodiode mounted together
with a custom silicon bipolar
transimpedance preamplifier IC
in an optical subassembly, OSA.
This OSA is mated to a custom
silicon bipolar circuit providing
post-amplification and
quantization.
The custom silicon bipolar circuit
also includes a Signal Detect
circuit which provides a PECL
logic high output upon detection
of a usable input optical signal
level. This single-ended low-
power PECL output is designed
to drive a standard PECL input
(5/97)
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