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1754C-19-RP-SC-08

更新时间：2024-09-18 12:33:53

品牌：EMCORE

描述：C-Band DWDM DFB Laser Component

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1754C-19-RP-SC-08 概述

C-Band DWDM DFB Laser Component C波段DWDM DFB激光组件

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1754C C-Band DWDM DFB Laser Component

DATASHEET | JANUARY 2013

FIBER OPTICS

The 1754C laser component is a Dense Wavelength Division Multiplexing

(DWDM) laser for analog CATV applications. It features a distributed-feedback

(DFB) device that has been designed specifically for radio frequency (RF) and

CATV applications. The 1754C laser component has a wide temperature range for

reliable performance in harsh node environments and narrow transmitter designs.

It also features low adiabatic chirp to maximize signal quality in short and long

lengths of fiber. The laser’s excellent inherent linearity minimizes degradation of

the broadcast signals caused by quadrature amplitude modulated (QAM)

channels.

Applications

The 1754C is available in all C-band ITU grid wavelengths.

CATV Broadcast Networks

Networks with Limited Fiber

Archtectures Using Separate Optical

Wavelengths to Carry Targeted Services

Performance Highlights

Min

Typical

Max

Units

Available Wavelengths

See page 3

Features

Operating Temperature Range

Optical Output Power

-40

+85

C

Standard ITU Grid Wavelengths

Advanced Analog Chip Design

6 - 16

MHz/mA

dBc

Adiabatic Chirp (measured at 500 MHz)

Composite Second-Order Distortion ( CSO )

Composite Triple Beat Distortion ( CTB )

Carrier-to-Noise Ratio ( CNR )

Frequency Range

100

-55

-64

Reduced Equipment Requirements in

the Hub

dBc

OC-48 Pin Out

2700

MHz

Telcordia Technologies™ 468 Compliant

RF Return Loss

Wide Temperature Range – Stable Even

in Harsh Environments

Noise and distortion performance above assume 79 channel NTSC loading with

no QAM, 0 dBm received optical power. See following pages for complete

specifications and operating/test conditions.

RoHS Compliant

REV 2013.01

Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.

1754C C-Band DWDM DFB Laser Component

DATASHEET | JANUARY 2013

FIBER OPTICS

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress

ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the

operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect

device reliability.

Parameter

Symbol

Condition

Min

Max

Unit

Continuous

Operating Temperature Range

-40

+85

°C

Storage Temperature Range

Average RF Input Power

T_STG

Continuous

60 seconds

Continuous

-40

+85

°C

dBmV

Laser Forward DC Current

Photodiode Reverse Voltage

Laser Reverse Voltage, DC

V_MPD

150

HBM: R = 1500 Ohm,

C = 100pF

ESD

-500

-1.5

500

1.5

TEC Current

I_TEC

Continuous

Electrical/Optical Characteristics

Laser Temperature (TL) = 25^oC, I_F=I_OP, Beginning of Life (BOL)

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Operating Case Temperature

T_C

-40

+85

C

6 mW version

8 mW version

10 mW version

16 mW version

7.9

9.9

15.9

19.9

Optical Output Power

P_O

Threshold Current

Slope Efficiency

Operating Current

Operating Voltage

Wavelength

I_TH



.07

W/A

25C, BOL

I_OP

BOL

25C, BOL

120

2.5

V_OP



ITU Grid

See page 3

I_f= 60 mA, T = T_OP

 Drift over T_CRange

_OP

I_F= 60 mA, T_OP= 25C

Laser Adiabatic Chirp

100

MHz/mA

@ 500 MHz

Optical Return Loss

ORL

SMSR

ISO

RIN

Z_IN

Sidemode Suppression Ratio

Optical Isolation

25C

I_F= I_TH+ 70 mA

Relative Intensity Noise

Nominal Input Impedance

MPD Responsivity

-155

200

dB/Hz



r_PD

V_RM= 5V

μA/mW

I_OP= 0 mA

V_RM= 5V, T_OP= 25C

MPD Dark Current

I_D

0.2

A

MPD Current Relative to Output Power

Thermistor Resistance

9.5

-4.4

200

10.5

mA/W

kΩ

V_RM= 5V, T_OP= 25C

T_OP= 25 C

R_TH

Thermistor Temp. Coefficient

TEC Voltage

TC_TH

V_TEC

T_OP= 25 C

%/C

-2.5

3.8

REV 2013.01

Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.

1754C C-Band DWDM DFB Laser Component

DATASHEET | JANUARY 2013

FIBER OPTICS

RF Characteristic

Laser Temperature (TL) = 25^oC, I_F=I_OP, Beginning of Life (BOL)

Parameter

Symbol

Condition

Min

Typ

Max

Units

79 NTSC, 3.3% OMI

1 m fiber min, 4.2 MHz NBW

Carrier-to-Noise Ratio ⁽¹⁾

CNR

79 NTSC, 3.3% OMI

1 m fiber min

Composite Second-Order⁽¹⁾

Composite Triple Beat⁽¹⁾

CSO

CTB

-55

-64

dBm

dBc

79 NTSC, 3.3% OMI

1 m fiber min

40 MHz to 890 MHz

I_F= 60 mA, T_OP= 25C

dB_p-p

Frequency Response Flatness

|S21|

5 MHz to 2700 MHz

I_F= 60 mA, T_OP= 25C

dB_p-p

RF Return Loss

resistive match 50 to 25 pad

5 MHz to 2700 MHz

I_F= 60 mA, T_OP= 25C

|S11|

CNR

Carrier-to-Noise Ratio⁽²⁾

Channel Loading: Frequencies set

at 7, 13, 19, 25, 31, and 37 MHz

Receiver thermal noise 8 pA*Hz^-0.5

Photodiode responsivity ~1.1 A/W

Noise Bandwidth 4.2 MHz

Composite Second-Order⁽²⁾

CSO

CTB

-50

-60

dBm

dBc

Composite Triple Beat⁽²⁾

(1). Broadband Forward Path

(2). Return Path. Guaranteed by design, not to test in production.

In order to prevent reflection-induced distortion, the laser must be connected to an optical cable having a return loss of at

least 55 dB for discrete reflections and 30 dB for distributed reflections.

ITU Grid Channel Numbering

Channel

Wavelength

(nm)

Channel

Wavelength

(nm)

Channel

Wavelength

(nm)

1527.99

1528.77

1529.55

1530.33

1531.12

1531.90

1532.68

1533.47

1534.25

1535.04

1535.82

1536.61

1537.40

1538.19

1538.98

1539.77

1540.56

1541.35

1542.14

1542.94

1543.73

1544.53

1545.32

1546.12

1546.92

1547.72

1548.51

1549.32

1550.12

1550.92

1551.72

1552.52

1553.33

1554.13

1554.94

1555.75

1556.56

1557.36

1558.17

1558.98

1559.79

1560.61

1561.42

1562.23

1563.05

REV 2013.01

Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.

1754C C-Band DWDM DFB Laser Component

DATASHEET | JANUARY 2013

FIBER OPTICS

Electrical Schematics

10K

ISOLATOR

12nH

100

RF CHOKE

0.01uF

MPD

(+)

CASE

GND

TEC

(-)

Figure 1. 1754C Laser Simplified Schematic

Figure 2. 1754C Circuit Schematic

Pin Definitions

Description

Thermistor

Dc Laser Bias (-)

MPD Anode (-)

MPD Cathode (+)

Thermal Electric Cooler (+)

Thermal Electric Cooler (-)

Case Ground

Laser Common (+), Case GND

Laser Modulation (-)

Laser Common (+), Case GND

REV 2013.01

Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.

1754C C-Band DWDM DFB Laser Component

DATASHEET | JANUARY 2013

FIBER OPTICS

Outline Diagram (Dimensions are in inches and millimeters)

Fiber type: 0.9 mm O.D. jacketed single mode 9/125 mm (SMF-28)

Fiber length: 130 cm + 10 cm, measured as shown below

Nominal pin lead length: 0.2 inch (from external package wall)

130 + 10 cm

Conn

REV 2013.01

Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.

1754C C-Band DWDM DFB Laser Component

DATASHEET | JANUARY 2013

FIBER OPTICS

Laser Safety

This product meets the appropriate standard in Title 21 of the Code of Federal Regulations (CFR). FDA/CDRH Class 1 laser

product. This device has been classified with the FDA/CDRH under accession number 0220309.

All Versions of this laser are Class 1 laser product, tested according to IEC 60825-1:2007/EN 60825-1:2007

Single-mode fiber pigtail with SC/APC connectors (standard).

Wavelength = 1.5 m.

Maximum power = 30 mW.

Because of size constraints, laser safety labeling (including an FDA class 1 label) is not affixed to the module, but attached

to the outside of the shipping carton.

Product is not shipped with power supply.

Caution: Use of controls, adjustments and procedures other than those specified herein may result in hazardous

laser radiation exposure.

DANGER

INVISIBLE LASER RADIATION

DANGER

INVISIBLE LASER

AVOID DRIARDEICATTEIOXNPOSURE TO BEAM

IS EMITTED FROM THE END

OF FIBER OR CONNECTOR

Avoid direct exposure to beam

Do not view beam directly with

optical instruments



Wavelength: 1.3

Max. Output: 50 mW,

Class 1 Laser Product

INVISIBLE LASER RADIATION EMITTED FROM END OF FIBER OR CONNECTOR

Avoid exposure to beam



Wavelength: 1.3

Class 1 Laser Product IEC-60825-1:20007 Max. Output:50 mw

REV 2013.01

Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.

1754C C-Band DWDM DFB Laser Component

DATASHEET | JANUARY 2013

FIBER OPTICS

Ordering Code Definitions

1754C – ww - xx – yy – zz

Family Name

Analog 1550 nm, DFB, Laser

ITU Channel Wavelengths

ww = 18: Channel 18, 1563.05 nm

ww = 19: Channel 19, 1562.23 nm

…..

ww = 62: Channel 62, 1527.99 nm

CATV Channel Plan

xx = BB: Broadband

xx = RP: Return Path

Connectors

yy = FC: FC/APC

yy = SC: SC/APC

Minimum Optical Power

zz = 06: 6 mW

zz = 08: 8 mW

zz = 10: 10 mW

zz = 16: 16 mW

Example

1754C-32-BB-SC-08: 1754C, ITU channel 32, 1551.72 nm, SC/APC connector, 8 mW minimum optical power.

REV 2013.01

Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.

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