High Power UHF B4-5 - VHF B3 - VHF B1

Digital and Analog TV

www.eurotel.it

Air-Cooled ETL SeriesNew Technologies and innovative equipment manufacturing

Air-Cooled ETL SeriesNew Technologies and innovative equipment manufacturing

The EuroTel High Power, Air-Cooled solid-state transmitter series has beendesigned for digital TV standards as well as for analog TV standards, covering awide range of available output power. High power density, excellent transmissionquality and superb reliability are the main features of EuroTel Air-Cooled series.

ETL3100RT exciter technologies provides today’s broadcaster unmatchedperformance, reliability and quality. The EuroTel High Power transmitter is a singletransmitter platform capable of DVB-T/H, DVB-T2, ATSC, ISDB-T / ISDB-Tb, digitalstandards and analog standards.

EuroTel transmitter is capable of serving broadcasters needs for efficient, easy tomaintain transmitter systems. New LDMOS device technology delivers a highincrease in power density, ensuring high output power and lower operating costs.

Features

• High power and high efficiency due to design technologyand final amplifiers voltage supply proportional to RFoutput power.

• Air-cooled system• Rugged, reliable and highly redundant design• Multistandard TV exciter for digital and analog

transmission, switching from analog to digital and backwith a simple command

• Fully broadband power amplifier modules

• Easy replacement of RF amplifier modules duringoperation for simplified maintenance

• Built-in mains isolation transformer, high insensitivity to ACmains interruptions

• Modular central control system for straightforwardmonitoring and in-depth diagnostics

• Web, SNMP remote control, and parallel commandsremote control interface

Exhaust fan

Exciter modules

Power Amplifiers

Mains isolationtransformers

Product details

High Power, High Efficiency via EuroTel TechnologyThe EuroTel High Power, Air-Cooled series offers high powerand high efficiency due to design technology and powervoltage regulation circuit. This regulation mechanism in amplifier modules yields a major increase in efficiency. The supply voltage for the power transistors is adjusted asa function of the output power and frequency significantlyimproving efficiency.New LDMOS device technology delivers a high increase inpower density, ensuring high output power and loweroperating costs.

Enhanced RedundancyThe EuroTel transmitter supports a range of backup optionssimplifying on-air servicing and eliminating costlyinterruptions. In dual-drive systems, the integrated controlsystem monitors exciters and switches control of RF feed.High redundant design in amplifier modules also makes theEuroTel Air-Cooled series a very rugged, reliable transmittersfamily.

Maximized coverage with Multistandard ETL3100RT ExciterThe EuroTel multistandard exciter performs full signalprocessing from the video/audio input signal (analog TV) orthe transport stream (digital TV) to the standard-conformingRF output signal. The ETL3100RT EuroTel exciter isextremely versatile and can handle the DVB-T2, DVB-T,ISDB-T / ISDB-Tb, ATSC and DVB-H digital as well asanalog standards.A GPS receiver for time and frequency references is alsoavailable.

Monitoring, Web interface and remote controlEach power amplifier module has dedicated control andmonitoring to support on/off functionality and alarms forreflected power, temperature and current over-loads.The transmitter control unit handle both internal and externalcommunications and provides all control functions.All transmitter, cooling system, exciters and amplifiersparameters required for diagnostics can be retrieved locallyas well as remotely from anywhere in the world via astandard (IP) protocol and standard software (web browser,SNMP). This allows to accurately evaluate the transmitterstatus of unattended stations.

Supervisor andswitch-over logic

www.eurotel.it

Specifications

Specifications are subject to change without notice.

PRIMARY POWER

AC LINE VARIATION

MAX INSTALLATION ALTITUDE

OPERATING TEMPERATURE RANGE

PERMISSIBLE RELATIVE HUMIDITY

COOLING METHOD

3-phase 50/60 Hz, 415/400/380/220V

single-phase 50/60 Hz, 240/230/208/127V

± 15 %

2000 m above sea level (>2000 m on request)

-5 °C to +45 °C

95%, non-condensing

Air

GENERAL OUTPUT PARAMETERSOUTPUT FREQUENCY

RANGE

OUTPUT IMPEDANCE

PERMISSIBLE VSWR

IN-BAND INTERMODULATION

PRODUCT

SPURIOUS SUPPRESSION

HARMONIC SUPPRESSION

FREQUENCY

STABILITY

TUNING RESOLUTION

BANDS IV-V: 470-860 MHz

BAND III: 174-250 MHz

BAND I: 47 to 68 MHz

50 Ω, unbalanced

< 1.5

< 60 dBc (-8,-10,-16 dB)

@ rated output

> 60 dB

> 60 dB

1x10-7 (internal ref. or in accordance with

ext. ref accuracy)

1Hz

EXT. TIME AND REF. FREQUENCYREFERENCE FREQUENCY

REFERENCE LEVEL

REFERENCE IMPEDANCE

REFERENCE CONNECTOR

TIME REF. INPUT FREQUENCY

LEVEL

10 MHz

200mV-3Vpp

50 Ω

BNC

1 PPS

1 ÷ 5V peak (referred to GND)

Transmissions QualityVIDEO S/N UNIFIED WEIGHTED

AUDIO S/N RATIO

DIFFERENTIAL GAIN ERROR

DIFFERENTIAL PHASE ERROR

LUMINANCE NON-LINEARITY

ICPM

VIDEO AMPLITUDE/FREQ.

RESPONSE

GROUP DELAY TOLERANCE

AUDIO DISTORTION

AUDIO AMPLITUDE FREQ.

RESPONSE

> 62 dB

> 65 dB @ 50kHz deviation

< 3%

< 3°

< 5%

< 3°

< ±0.5 dB

within the vision band

± 30 ns

≤ 0.05 % at 1kHz

± 0.5 dB, 40Hz to 15KHz

ANALOG TRANSMITTERS

Video Input ParametersVIDEO INPUT SIGNAL LEVEL

VIDEO INPUT IMPEDANCE

INPUT RETURN LOSS

INPUT MANUAL GAIN ADJUSTMENT

VIDEO CLAMPING

WHITE CLIPPING SET AT

1 V p.p.

75 Ω, unbalanced

> 30 dB

± 3 dB

Sync tip or back porch selectable

95% of modulation depth

Audio Input ParametersAUDIO INPUT SIGNAL LEVEL

AUDIO INPUT IMPEDANCE

AUDIO TEST TONE

NOMINAL FREQUENCY

INPUT MANUAL GAIN ADJUST

+8 dBU at ±50 kHz pk. dev

600 Ω or < 3 k Ω

400 Hz

+10/-3 dB

STANDARDS

MER

SHOULDERS

GROUP DEALY ERROR

AMPLITUDE ERROR

QUADRATURE ERROR

DVB-T, DVB-T2, DVB-H, ISDB-T,

ISDB-Tb, ATSC

> 36 dB

> 37 dB

≤ 100 ns

≤ 0.5 dB

≤ 1°

DIGITAL TRANSMITTERS

NETWORK MODE

MODE

CHANNEL BANDWITH

LINEAR AND NONLINEAR PRE-CORRECTION

VOIP INTERFACE WITH FEC SMPTE2022-1/2

MISO/SISO SUPPORT

PAPR

SFN and MFN

SPLP, MPLP

1.7/5/6/7/8/10 MHz

DVB-T2 EN 302 755

NETWORK MODE

INPUT MODE

CHANNEL BANDWITH

LINEAR AND NONLINEAR PRE-CORRECTION

HIERARCHICAL TRANSMISSION MODE

SFN and MFN

ASI

5/6/7/8 MHz

DVB-T EN 300 744

PARTIAL RECEPTION

BTS INTERFACE

SFN NETWORK MODE

MULTI-LAYER

ISDB-T ARIB STD-B31

SERIAL REMOTE

ETHERNET / SNMP

RS232

RJ-45

CONTROL AND MONITOR INTERFACES

Exciter 1ETL3100RT

Exciter 2ETL3100RT

SPLITTER

SPLITTER

SPLITTER

COMBINER

AmplifierN.1

AmplifierN.2Drawer Amplifier 8

Drawer Amplifier 7

Drawer Amplifier 6

Drawer Amplifier 5

Drawer Amplifier 4

Drawer Amplifier 3

Drawer Amplifier 2

RF OUTPUT

DR

IVE

SP

LITTER

CO

MB

INE

R

SP

LITTER

SP

LITTER

CO

MB

INE

RC

OM

BIN

ER

Air cooled drawer Amplifier 1

P.S. # 1 P.S. # 2 P.S. # 3 P.S. # 4

AUDIOVIDEO

ASI

AUDIOVIDEO

ASI

RF OUTPUTcavity filter

Directionalcoupler

ETL0700TATransmitter supervisor

and switchover unit

COMBINER

COMBINER

Air-Cooled ETL SeriesNew Technologies and innovative equipment manufacturing

Air cooled block diagram

ETL0474G / ETL0474VE Amplifier module

Features

• Fully broadband power amplifier modules - 470 to 860MHz for ETL0474G - 174 to 250 MHz for ETL0474VE

• Air-Cooled• LDMOS transistor based technology ensuring high output

power and efficiency• Four board amplifier, with independent power supply unit

each• Rugged, reliable and highly redundant design• Final amplifiers voltage supply proportional to RF output

power and frequency dependent• Multifunction metering and monitoring for main amplifier

parameters

Product details

The use of high efficiency, high power gain LDMOS powertransistors in conjunction with modern compact designtechnology, allows to obtain highly efficient amplifier modulesas ETL0474G / ETL0474VE.This power amplifier is Air-Cooled.Supply voltage for the power transistors is adjusted as afunction of the output power and frequency significantlyimproving efficiency.Redundancy design and high quality components makeETL0474G / ETL0474VE amplifier module extremely ruggedand reliable.Metering and protection circuit is provided to monitor all theamplifier parameter and manages potentially critical situationas overtemperature, power failure, output reflection powerand many others.

*Before bandpass filter.

www.eurotel.it

EuroTel High Power, Air-Cooled ETL Transmitters Series Power Levels

UHFB4-5 Digital and Analog Transmitters

Number of amplifiers

Number of cabinets

Output power (RMS) for COFDM standards*

Output power (RMS) for ATSC standards*

Output power (sync peak) for ANALOG TV*

ETL11580TAG

2

1

1.2 kW

1.7 kW

3.2 kW

ETL1583TAG

3

1

1.8 kW

2.5 kW

4.7 kW

ETL1590TAG

4

1

2.4 kW

3.3 kW

6.3 kW

ETL1593TAG

6

2

3.5 kW

4.9 kW

9.3 kW

ETL1595TAG

8

2

4.7 kW

6.6 kW

12.4 kW

ETL1598TAG

16

4

9 kW

12.5 kW

23.6 kW

VHFB3 Digital and Analog Transmitters

Number of amplifiers

Number of cabinets

Output power (RMS) for COFDM standards*

Output power (RMS) for ATSC standards*

Output power (sync peak) for ANALOG TV*

VHFB1 Digital and Analog Transmitters

Number of amplifiers

Number of cabinets

Output power (RMS) for COFDM standards*

Output power (RMS) for ATSC standards*

Output power (sync peak) for ANALOG TV*

ETL1550TAVE

2

1

0.98 kW

1.3 kW

2.7 kW

ETL1553TVE

3

1

1.4 kW

2 kW

4 kW

ETL1580TAVE

4

1

1.9 kW

2.6 kW

5.4 kW

ETL1590TAVE

8

2

3.8 kW

5.3 kW

10.7 kW

ETL1598TAVE

16

4

7.4 kW

10.3 kW

20.9 kW

ETL1550TAV1E

2

1

0.9 kW

1.2 kW

2.5 kW

ETL1553TV1E

3

1

1.3 kW

1.8 kW

3.7 kW

ETL1580TAV1E

4

1

1.7 kW

2.4 kW

5 kW

ETL1590TAV1E

8

2

3.4 kW

4.7 kW

10 kW

EuroTel Headquartersin Lissone, Milan, Italy

Manufacturing plantin Cuveglio, Varese, Itally

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EuroTel S.p.A.Viale Martiri della Libertà 4/4a - Ang. Via Beltrame, 1/3 - 20851 Lissone (MB) - ItalyTel. +39 039 24361 - Fax +39 039 2436222 - www.eurotel.it - sales@eurotel.it