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3998 Series 1550 nm

Externally-Modulated Transmitter

DATASHEET | OCTOBER 2013

CATV

The L-Type/D-Type/S-Type/F-Type/N-Type 3998 Series

The 3998 series is a family of state-of-the-art high-performance 1550 nm externally-

modulated CATV fiber optic transmitters optimized for varying network applications.

Packaged in convenient 1 RU housing, this line of optical transmitters couples high optical

output powers, up to 11.0 dBm, with low optical linewidth resulting in unmatched

performance. The optical modulator, combined with proprietary predistortion circuitry,

provides superior CTB and CSO performance with SBS suppression levels of greater than

21 dBm. Advanced features such as built-in field adjustable SBS control and electronic

dispersion compensation allow these transmitters to be quickly optimized in the field for any

link or application without the need to procure specifically tuned transmitters. This affords

the system designer a level of flexibility previously unknown in the CATV market place.

The L-Type series are designed as a high-performance solution for applications where the

simultaneous transport of CATV and SAT-IF FM signals is required. The SAT-IF signals

can be applied anywhere in the 950 to 2800 MHz band.

The D-Type series are designed as a low cost, high-performance solution for applications

where the required fiber length is in the range of 20 to 50 kilometers. Advanced, high

power, DFB laser technology allows these transmitters to be fielded without the use of

EDFAs.

The S-Type series transmitters are designed to be the most versatile model within the 3998

series family. They can easily be configured to meet most HFC network solutions requiring

link lengths in the range of 50 to 70 kilometers with one EDFA as well as links utilizing

multiple EDFA’s.

The F-Type series transmitters are intended for use in FTTx and RFoG architecture

designs requiring high-quality transmission over varying transmission lengths and EDFA

output powers. These transmitters successfully support very high optical launch powers

while controlling the detrimental effects of Stimulated Brillouin Scattering (SBS), group

velocity dispersion (GVD), and self phase modulation (SPM).

The N-Type series transmitters are intended for use in node-splitting architecture designs

requiring cost effective DWDM transmission over medium length fiber distances.

Applications

High-Performance Supertrunking Links

High Power Distribution Networks

Redundant Ring Architectures

FTTx Networks

RFoG Applications

SAT-IF Transport

DWDM Node Splitting

Features

Single or Dual Optical Outputs

QAM Loading to 1003 MHz

Dual Power Supplies and Fans,

Redundant & Hot Swapplable

Front Panel RF Test Point

SNMP Control Interface

WEB GUI

Vacuum Fluorescent Status Display

OMI / RF Gain Adjustment

AGC Select: CW, Video, Manual (No

AGC)

Industry Leading Field Adjustable SBS

Suppression

Field Adjustable Electronic Dispersion

Compensation (EDC)

REV 2013.10

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.

EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.

3998 Series 1550 nm

Externally-Modulated Transmitter

DATASHEET | OCTOBER 2013

CATV

Optical / Electrical Characteristics

L-Type

Property

Performance (note 1-8)

Specified Link Length

Channel Plan

Optical Output Power

Noise Bandwidth

SBS Suppression

CATV Carrier to Noise Ratio

CATV Composite Second Order

CATV Composite Triple Beat

SAT-IF Carrier to Noise Ratio

SAT-IF Intermodulation Products

SAT-IF Spurious Products

Po (dBm)

BW (MHz)

(dBm)

CNR (dB)

CSO (dBc)

CTB (dBc)

CNR (dB)

(dBc)

Units

3998-L01

L (km)

NTSC 80-Ch

8.5/8.5

15.0

51.0

-65

-64

-35

-38

Models

3998-L02

3998-L03

PAL 60-Ch

8.5/8.5

15.0

51.0

-65

-64

-35

-38

NTSC 110-ch

8.5/8.5

15.0

49.5

-65

-64

-35

-38

Comments

3998-L04

PAL 89-Ch

8.5/8.5

15.0

49.5

-65

-64

-35

-38

Min.

Max. Port 1

Max. @ +25°C

Max. @ 0

C to 50

Min.

Max. Port 1

Max.

With 36 QPSK carriers

from 950 to 2800 MHz

Min. 10 dBm version

avail. See Chart

D-Type

Property

Performance (note 1-7)

Specified Link Length

Channel Plan

Optical Output Power

Noise Bandwidth

SBS Suppression

Carrier to Noise Ratio

Composite Second Order

Composite Triple Beat

Po (dBm)

BW (MHz)

(dBm)

CNR (dB)

CSO (dBc)

CTB (dBc)

Units

3998-D01

L (km)

NTSC 80-Ch

11.0

> 12.0

54.0

-65

-64

Models

3998-D02

3998-D03

PAL 60-Ch

11.0

>12.0

54.0

-65

-64

NTSC 110-ch

11.0

>12.0

51.0

-65

-64

Comments

3998-D04

PAL 89-Ch

11.0

>12.0

51.0

-65

-64

Min.

Max.

Max. @ +25°C

Max. @ 0

C to 50

Min.

REV 2013.10

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.

EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.

3998 Series 1550 nm

Externally-Modulated Transmitter

DATASHEET | OCTOBER 2013

CATV

S-Type

Property

Performance

(Note 1-7)

Specified Link Length

Channel Plan

Optical Output Power

Noise Bandwidth

SBS Suppression

Carrier to Noise Ratio

Composite Second Order

Composite Triple Beat

Po (dBm)

BW (MHz)

(dBm)

CNR (dB)

CSO (dBc)

CTB (dBc)

L (km)

Units

3998-

SA1

NTSC 80

7.0/ 7.0

16.0

53.0/ 53.0

-65/ -65

-65

-64

Models

3998-SA2

PAL 60

7.0/ 7.0

16.0

53.0/ 53.0

-65/ -65

-65

-64

Comments

3998-SA4

PAL 89

7.0/ 7.0

16.0

50.0/ 50.0

-65/ -65

-65

-64

3998-SA3

NTSC 110

7.0/ 7.0

16.0

50.0/ 50.0

-65/ -65

-65

-64

3998-SA5

42 CENELEC

7.0/ 7.0

16.0

53.0/ 53.0

-65/ -65

-65

-64

Min.

Max.

Max. @ +25°C

Max. @ 0

C to 50

Min. - Higher Powers

Available See Chart

F-Type

Property

Performance (Note 1-7)

Specified Link Length

Channel Plan

Optical Output Power

Noise Bandwidth

SBS Suppression

Carrier to Noise Ratio

Composite Second Order

Composite Triple Beat

Po (dBm)

BW (MHz)

(dBm)

CNR (dB)

CSO (dBc)

CTB (dBc)

Units

3998-F01

L (km)

NTSC 80-Ch

7.0/ 7.0

21.0

48.0

-58

Models

3998-F02

3998-F03

PAL 60-Ch

7.0/ 7.0

21.0

48.0

-58

NTSC 110-ch

7.0/ 7.0

21.0

45.0

-58

Comments

3998-F04

PAL 89-Ch

7.0/ 7.0

21.0

45.0

-58

Min.

Max.

Min.

N-Type

Property

Performance (Note 1-7)

Specified Link Length

Channel Plan

Optical Output Power

Noise Bandwidth

SBS Suppression

Carrier to Noise Ratio

Composite Second Order

Composite Triple Beat

Po (dBm)

BW (MHz)

(dBm)

CNR (dB)

CSO (dBc)

CTB (dBc)

L (km)

Units

Models

3998-N01

3998-N02

NTSC 80-Ch

9.5

13.0

52.0

-62

-61

PAL 60-Ch

9.5

13.0

52.0

-62

-61

Min.

Max.

Min.

Comments

Max. @ +25°C

Max. @ 0

C to 50

Notes:

1. Unless stated otherwise all specifications apply over full temperature range with no digital loading.

2. Unless stated otherwise specifications apply for nominal RF input level as defined below, after a 30 minute stabilization

3. Specifications separated by a slash are port1 / port 2.

4. Units are tested per the Test / Link Configuration Table

5. Noise figure for the EDFA = 4.5 ~ 5.5 dB

6. Corning SMF-28 single mode fiber

7. Receiver responsivity is 0.95 mA/mW, Equivalent noise current is 7 pA/(Hz)1/2General and Mechanical Specifications

8. With 36 QPSK modulated SAT-IF signals between 950 --- 2800 MHz, 27 MHz IF bandwidth.

REV 2013.10

period.

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.

EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.

3998 Series 1550 nm

Externally-Modulated Transmitter

DATASHEET | OCTOBER 2013

CATV

General and Mechanical Specifications

Property

Wavelength

Channel Plan

Optical Connector

Monitoring Interfaces

1555 +/-5 nm

Various – See Specification Tables

SC/APC

100 Base-T Ethernet (SNMP)

Rear Panel RS-232 interface

VFD Screen Front Panel Controls

0°C to 50°C

-20°C to 70°C

65W max

EMI:

EN50083-2:2006 (US CATV)

EN55022:2006 (US IT)

EN61000-3-2 (Harmonics)

EN61000-3-3 (Flicker)

FCC: Part 15, Subpart B, class “A” Unintentional

Radiators

ICES-003 (Canada)

AN/NZS 3548, Class A (Australia)

VCCI, Class A (Japan)

GR-2853-CORE

20% to 85%

(VAC)

(VDC)

Dimensions

Input Power Range

90 to 265 VAC, 50/60 Hz

+/- (36 – 72) VDC

19.0”W x 15.0”D x 1.72”H

17 +/-1 dBmV/ch 80 NTSC channels

15 +/-1 dBmV/ch 110 NTSC channels

18 +/-1 dBmV/ch 60 PAL channels

20 +/-1 dBmV/ch 42 CENELEC channels

16 +/-1 dBmV/ch 89 PAL channels

27 +/-1 dBmV/ch SAT-IF channels

Input Power Range

19 +/-2 dBmV/ch 80 NTSC channels

17 +/-2 dBmV/ch 110 NTSC channels

20 +/-2 dBmV/ch 60 PAL channels

18 +/-2 dBmV/ch 89 PAL channels

22 +/-2 dBmV/ch 42 CENELEC channels

29 +/-2 dBmV/ch SAT-IF channels

(width includes 19” front panel ears, depth

includes, connectors, fans & front panel) – see

drawing

Manual mode

CW mode

AGC mode

Safety:

FDA/CDRH Laser Safety Governed by Code of

Federal Regulations Title 21, Volume 8, Part

1040

IEC 60950-1

IEC 60728-11

Laser IEC 60825-1

CB Certification

In Shipping package

Non-condensing

Requirement

Comments

Various Options + ITU-grid available – see

Model Number Information

Custom channel plans available

Other styles available

VFD- (Vacuum Fluorescent Display)

Operating Temperature

Storage Temperature

Power Consumption

Agency Listings

Transportation Vibration

Transportation Shock

Operating Humidity

Supply Range

REV 2013.10

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.

EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.

3998 Series 1550 nm

Externally-Modulated Transmitter

DATASHEET | OCTOBER 2013

CATV

General and Mechanical Specifications

(continued)

Property

Front Panel RF Gain / OMI Adjustment Range

CATV Frequency Range

CATV Flatness

CATV Flatness – N-Type

CATV Input impedance

CATV Input Return Loss

CATV Front Panel RF Tap

CATV Front Panel RF Tap Flatness

SAT-IF Frequency Range

SAT-IF Flatness

SAT-IF Input impedance

SAT-IF Input Return Loss

SAT-IF Front Panel RF Tap

SAT-IF Front Panel RF Tap Flatness

Requirement

+2 / -4 dB from nominal setting

45 MHz – 1003 MHz

+/- 0.50 dB

+/- 0.75 dB

16 dB min

-20 +/- 1 dB down from RF input

+/- 1 dB

950 MHz – 2800 MHz

+/- 2 dB

10 dB min

7 +/- 2.5 dBmV/Ch at 1% OMI/ch

+/- 1 dB

Comments

CATV Performance can vary slightly

45 MHz – 550 MHz

45 MHz – 1003 MHz

45 MHz – 1003 MHz N-Type

45 MHz – 1003 MHz

950 MHz – 2800 MHz

Test/Link Configuration

Property

L-Type

D-Type

S-Type

F-Type

N-Type

15 dBm

None

16 dBm

21 dBm

13 dBm

EDFA

25 Km

40 Km

65 Km

20 Km

40 Km

Link

Received Power

0.0 dBm at the receiver

-5.5 dBm at the receiver

0.0 dBm at the receiver

REV 2013.10

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.

EMCORE is a registered trademark of EMCORE Corporation in the U.S. and other countries.