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PDF HFCT-5305 Data sheet ( Hoja de datos )
| Número de pieza | HFCT-5305 | |
| Descripción | Gigabit Ethernet: 1.25 GBd 1300 nm Laser Transceiver in Low Cost 1 x 9 Package Style | |
| Fabricantes | Agilent(Hewlett-Packard) | |
| Logotipo | .gif "Agilent(Hewlett-Packard)"){kind=logo} |
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Gigabit Ethernet: 1.25 GBd
1300 nm Laser Transceiver
in Low Cost 1 x 9 Package Style
Preliminary Technical Data
HFCT-5305
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 µm SMF
Cables
• 550 m Links in 62.5/125 µm
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
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
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.
(5/97)
565
1 page  
Transmitter Optical Characteristics
(TA = 0°C to +70°C, VCC = 4.75 V to 5.25 V)
Parameter
Symbol
Output Optical Power
62.5/125 µm, NA = 0.275 fiber
PO
Optical Extinction Ratio
Center Wavelength
λC
Spectral Width – rms
σ
RIN12
Min.
–13
Typ.
9
1270
Max.
Unit Reference
–3 dBm avg.
1355
4
–116
dB
nm
nm rms
dB/Hz
Receiver Optical Characteristics
(TA = 0°C to +70°C, VCC = 4.75 V to 5.25 V)
Parameter
Symbol
Min.
Input Optical Power
Minimum
PIN –3
Return Loss
12
Signal Detect – Asserted
PA PD + 1.5 dB
Signal Detect – Deasserted
PD
–45
Signal Detect – Hysteresis
PA – PD
1.5
Note:
11. The sensitivity is provided at a BER of 1 x 10-12.
Typ.
Max.
Unit
Reference
–20 dBm avg.
11
dB
dBm avg.
dBm avg.
dB
569
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| PDF Descargar | [ Datasheet HFCT-5305.PDF ] | |
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