HFCT-5805B datasheet, PDF - EEWORLD Datasheet

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HFCT-5805B: DescriptionFIBER OPTIC TRANSCEIVER,M:ML040MW025; CategoryLED optoelectronic/LED photoelectric; File Size208KB，10 Pages; ManufacturerAVAGO; Websitehttp://www.avagotech.com/

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HFCT-5805B Overview

FIBER OPTIC TRANSCEIVER,M:ML040MW025

HFCT-5805B Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	AVAGO
Reach Compliance Code	unknown
ECCN code	5A991.B.5.A
Optoelectronic device types	OPTOELECTRONIC DEVICE

HFCT-5805B Preview

Agilent HFCT-5805 155 Mb/s Single

Mode Fiber Optic Transceiver for

ATM, SONET OC-3/SDH STM-1

Data Sheet

Features

• 1300 nm Single mode transceiver

for links up to 15 Km

• Compliant with T1.646-1995

Broadband ISDN and

T1E1.2/98-011R1 SONET network

to customer installation interface

standards

• Compliant with T1.105.06 SONET

physical layer specifications

standard

• Multisourced 1 x 9 pin

configuration

• Interchangeable with LED

multisourced 1 x 9 transceivers

• Unconditionally eyesafe laser

IEC 825/CDRH Class 1 compliant

• Integral duplex SC connector

receptacle compatible with

TIA/EIA and IEC standards

• Two temperature ranges:

0°C - +70°C

HFCT-5805B/D

-40°C - +85°C HFCT-5805A/C

• Single +3.3 V power supply

operation and compatible LVPECL

logic interfaces

• Wave solder and aqueous wash

process compatible

• Manufactured in an ISO 9002

certified facility

• Considerable EMI margin to FCC

Class B

Applications

• ATM 155 Mb/s links for LAN

backbone switches and routers

• ATM 155 Mb/s links for WAN

core, edge and access switches

and routers

• ATM 155 Mb/s links for add/drop

multiplexers and demultiplexers

• SONET OC-3/SDH STM-1 (S-1.1)

interconnections

Description

General

The HFCT-5805 transceiver is a

high performance, cost effective

module for serial optical data

communications applications

specified for a data rate of

155 Mb/s. It is designed to provide

a SONET/SDH compliant link for

intermediate reach links

operating at +3.3 V input voltage.

ELECTRICAL SUBASSEMBLY

DATA

POST

AMPLIFIER IC

PRE-

AMPLIFIER

OPTICAL

SUB-

ASSEMBLIES

LASER

DRIVER

PIN PHOTODIODE

SIGNAL DETECT

DATA

DUPLEX SC

RECEPTACLE

LASER

Other Members of Agilent SC Duplex

155 Mb/s Product Family

• HFCT-5801, 1300 nm single

mode transceiver for links up

to 15 km. The part is based on

the 2 x 9 industry standard

package and has laser bias,

optical power monitor and

transmitter disable functions.

Applications Information

Typical BER Performance of Receiver

versus Input Optical Power Level

The HFCT-5805 transceiver can

be operated at Bit-Error-Rate

conditions other than the

required BER = 1 x 10

-10

of the

ATM Forum 155.52 Mb/s Physical

Layer Standard. The typical

trade-off of BER versus Relative

Input Optical Power is shown in

Figure 2. The Relative Input

Optical Power in dB is

referenced to the actual

sensitivity of the device. For BER

conditions better than 1 x 10

-10

more input signal is needed (+dB).

TOP VIEW

Figure 1. Block Diagram

Transmitter Section

The transmitter section of the

HFCT-5805 consists of a 1300 nm

InGaAsP laser in an eyesafe

optical subassembly (OSA) which

mates to the fiber cable. The laser

OSA is driven by a custom IC

which converts differential input

LVPECL logic signals into an

analog laser drive current.

Receiver Section

The receiver utilizes an InGaAs

PIN photodiode mounted

together with a transimpedance

preamplifier IC in an OSA. This

OSA is connected to a circuit

providing post- amplification

quantization, and optical signal

detection.

Receiver Signal Detect

Signal Detect is a basic fiber

failure indicator. This is a

single-ended LVPECL output. As

the input optical power is

decreased, Signal Detect will

switch from high to low (deassert

point) somewhere between

sensitivity and the no light input

level. As the input optical power

is increased from very low levels,

Signal Detect will switch back

from low to high (assert point).

The assert level will be at least

0.5 dB higher than the deassert

level.

Transceiver Specified for Wide

Temperature Range Operation

The HFCT-5805 is specified for

operation over normal commercial

temperature range of 0° to +70°C

(HFCT-5805B/D) or the extended

temperature range of -40° to

+85°C (HFCT-5805A/C).

Characterization of the parts has

been performed over the ambient

operating temperature range in

an airflow of 2 m/s.

-2

-3

-4

-5

-6

-7

-8

-9

-10

-11

-12

-13

-14

-15

BIT ERROR RATIO

LINEAR EXTRAPOLATION OF

-4

THROUGH 10

-7

DATA

BASED ON

ACTUAL DATA

-5 -4 -3 -2 -1 0

Figure 2. Relative Input Optical Power

- dBm. Avg.

Recommended Circuit Schematic

In order to ensure proper

functionality of the HFCT-5805 a

recommended circuit is provided

in Figure 3. When designing the

circuit interface, there are a few

fundamental guidelines to follow.

For example, in the Recommended

Circuit Schematic figure the

differential data lines should be

treated as 50 ohm Microstrip or

stripline transmission lines. This

will help to minimize the parasitic

inductance and capacitance

effects. Proper termination of the

differential data signals will

prevent reflections and ringing

which would compromise the

signal fidelity and generate

unwanted electrical noise. Locate

termination at the received signal

end of the transmission line. The

length of these lines should be

kept short and of equal length.

For the high speed signal lines,

differential signals should be

used, not single-ended signals,

and these differential signals

need to be loaded symmetrically

to prevent unbalanced currents

from flowing which will cause

distortion in the signal.

Maintain a solid, low inductance

ground plane for returning signal

currents to the power supply.

Multilayer plane printed circuit

board is best for distribution of

, returning ground currents,

forming transmission lines and

shielding, Also, it is important to

suppress noise from influencing

the fiber-optic transceiver

performance, especially the

receiver circuit. Proper power

supply filtering of V

for this

transceiver is accomplished by

using the recommended, separate

filter circuits shown in Figure 3

for the transmitter and receiver

sections. These filter circuits

suppress V

noise over a broad

frequency range, this prevents

receiver sensitivity degradation

due to V

noise. It is

recommended that surface-mount

components be used. Use

tantalum capacitors for the 10 µF

capacitors and monolithic,

ceramic bypass capacitors for the

0.1 µF capacitors. Also, it is

recommended that a surface-

mount coil inductor of 3.3 µH be

NO INTERNAL

CONNECTION

TOP VIEW

NO INTERNAL

CONNECTION

EER

CCR

CCT

EET

C1 C7

C2 C8

L1 L2

R1 C5

NOTES:

THE SPLIT-LOAD TERMINATIONS FOR LVPECL

SIGNALS NEED TO BE LOCATED AT THE INPUT OF

DEVICES RECEIVING THOSE LVPECL SIGNALS.

RECOMMEND 4-LAYER PRINTED CIRCUIT BOARD

WITH 50 W MICROSTRIP SIGNAL PATHS BE USED.

R1 = R4 = R6 = R8 = R10 = 82 W

R2 = R3 = R5 = R7 = R9 = 130 W

C1 = C2 = 10 µF

C3 = C4 = C7 = C8 = 100 nF

C5 = C6 = 0.1 µF

L1 = L2 = 3.3 µH COIL OR FERRITE INDUCTOR.

TERMINATE

AT PHY

DEVICE

INPUTS

FILTER

AT V

PINS

TRANSCEIVER

R10

TERMINATION

TRANSCEIVER

INPUTS

Figure 3. Recommended Circuit Schematic

used. Ferrite beads can be used to

replace the coil inductors when

using quieter V

supplies, but a

coil inductor is recommended

over a ferrite bead. All power

supply components need to be

placed physically next to the V

pins of the receiver and

transmitter. Use a good, uniform

ground plane with a minimum

number of holes to provide a low-

inductance ground current return

for the power supply currents.

In addition to these

recommendations, Agilent’s

Application Engineering staff is

available for consulting on best

layout practices with various

vendors mux/demux, clock

generator and clock recovery

circuits. Agilent has participated

in several reference design

studies and is prepared to share

the findings of these studies with

interested customers. Contact

your local Agilent sales

representative to arrange for this

service.

Evaluation Circuit Boards

Evaluation circuit boards are

available from Agilent’s

Application Engineering staff.

Contact your local Agilent sales

representative to arrange for

access to one if needed.

Recommended Solder and Wash

Process

The HFCT-5805 is compatible

with industry standard wave or

hand solder processes.

A drying cycle must be

completed after wash process to

remove all moisture from the

module.

20.32

(0.800)

2 x Ø 1.9 ± 0.1

(0.075 ± 0.004)

20.32

(0.800)

9 x Ø 0.8 ± 0.1

(0.032 ± 0.004)

2.54

(0.100)

TOP VIEW

DIMENSIONS ARE IN MILLIMETERS (INCHES)

Figure 4. Recommended Board Layout Hole Pattern

HFCT-5805 Process Plug

The HFCT-5805 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 +85°C and a rinse

pressure of 110 lb/in

Recommended Solder Fluxes

and Cleaning/Degreasing

Chemicals

Solder fluxes used with the

HFCT-5805 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-5805 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.

Agilent

XXXX-XXXX PROD

ZZZZZ LASER

21CFR(J) CLASS 1

COUNTRY OF ORIGIN YYWW

KEY:

YYWW = DATE CODE

XXXX-XXXX = HFCT-5805

ZZZZ = 1300 nm

39.6

MAX.

(1.56)

12.7

(0.50)

4.7

(0.185)

25.4 MAX.

(1.00)

AREA

RESERVED

FOR

PROCESS

PLUG

12.7

(0.50)

(

+0.1

0.25 -0.05

+0.004

0.010 -0.002

SLOT DEPTH

2.5

(0.10)

SLOT WIDTH

2.0 ± 0.1

(0.079 ± 0.004)

)

9.8

MAX.

(0.386)

0.51

(0.020)

20.32

(0.800)

15.8 ± 0.15

(0.622 ± 0.006)

3.3 ± 0.38

(0.130 ± 0.015)

+0.25

0.46 -0.05

9xØ

+0.010

0.018 -0.002

(

)

+0.25

1.27 -0.05

2xØ

+0.010

0.050 -0.002

(

)

23.8

(0.937)

20.32

(0.800)

8 x 2.54

(0.100)

20.32

(0.800)

2xØ

1.3

(0.051)

DIMENSIONS ARE IN MILLIMETERS (INCHES).

TOLERANCES: X.XX ±0.025mm

UNLESS OTHERWISE SPECIFIED.

X.X ±0.05 mm

Figure 5. Package Outline Drawing and Pinout

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HFCT-5805B Related Products

	HFCT-5805B	HFCT-5805A	HFCT-5805D	HFCT-5805C
Description	FIBER OPTIC TRANSCEIVER,M:ML040MW025	FIBER OPTIC TRANSCEIVER,M:ML040MW025	FIBER OPTIC TRANSCEIVER,M:ML040MW025	FIBER OPTIC TRANSCEIVER,M:ML040MW025
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible
Maker	AVAGO	AVAGO	AVAGO	AVAGO
Reach Compliance Code	unknown	unknown	unknown	unknown
ECCN code	5A991.B.5.A	5A991.B.5.A	5A991.B.5.A	5A991.B.5.A
Optoelectronic device types	OPTOELECTRONIC DEVICE	OPTOELECTRONIC DEVICE	OPTOELECTRONIC DEVICE	OPTOELECTRONIC DEVICE

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