SIST EN 302 296 V1.1.1:2005

SLOVENSKI STANDARD
SIST EN 302 296 V1.1.1:2005
01-maj-2005
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Electromagnetic compatibility and Radio spectrum Matters (ERM); Transmitting

equipment for the digital television broadcast service, Terrestrial (DVB-T); Harmonized

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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Intellectual Property Rights................................................................................................................................4

Foreword.............................................................................................................................................................4

Introduction ........................................................................................................................................................5

1 Scope........................................................................................................................................................7

2 References................................................................................................................................................7

3 Definitions, symbols and abbreviations ...................................................................................................8

3.1 Definitions..........................................................................................................................................................8

3.2 Symbols..............................................................................................................................................................9

3.3 Abbreviations.....................................................................................................................................................9

4 Technical requirements specifications.....................................................................................................9

4.1 Environmental profile.........................................................................................................................................9

4.2 Antenna port measurements.............................................................................................................................10

4.2.1 Spurious emissions.....................................................................................................................................10

4.2.1.1 Definition..............................................................................................................................................10

4.2.1.2 Method of measurement (essential test suite) .......................................................................................10

4.2.1.2.1 Initial conditions..............................................................................................................................10

4.2.1.2.2 Procedure.........................................................................................................................................10

4.2.1.2.3 Test requirements............................................................................................................................10

4.2.1.3 Limit......................................................................................................................................................10

4.2.2 Out-of-band emissions................................................................................................................................12

4.2.2.1 Definition..............................................................................................................................................12

4.2.2.2 Method of measurement (essential test suite) .......................................................................................12

4.2.2.2.1 Initial conditions..............................................................................................................................12

4.2.2.2.2 Procedure.........................................................................................................................................13

4.2.2.2.3 Test requirements............................................................................................................................13

4.2.2.3 Limit......................................................................................................................................................13

4.3 Enclosure port measurements (radiated emissions)..........................................................................................17

4.3.1 Cabinet radiation.........................................................................................................................................17

4.3.1.1 Definition..............................................................................................................................................17

4.3.1.2 Method of test (essential test suite) .......................................................................................................17

4.3.1.2.1 Initial conditions..............................................................................................................................17

4.3.1.2.2 Procedure.........................................................................................................................................17

4.3.1.2.3 Test requirements............................................................................................................................17

4.3.1.3 Limits....................................................................................................................................................17

4.4 Measurement uncertainties...............................................................................................................................18

Annex A (normative): General measuring arrangements................................................................19

A.1 Testing arrangements for antenna port measurements ...........................................................................19

A.1.1 Spurious emissions...........................................................................................................................................19

A.1.2 Out-of-band emissions.....................................................................................................................................20

A.1.3 Test frequency range ........................................................................................................................................20

A.1.4 Test modulating signal .....................................................................................................................................21

A.2 Testing arrangements for enclosure port (radiated emissions) measurements .......................................21

Annex B (informative): Bibliography...................................................................................................22

Annex C (informative): The EN title in the official languages ...........................................................23

History ..............................................................................................................................................................24

IPRs essential or potentially essential to the present document may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

This Candidate Harmonized European Standard (Telecommunications series) has been produced by ETSI Technical

The present document has been produced by ETSI in response to a mandate from the European Commission issued

under Council Directive 98/34/EC [1] (as amended) laying down a procedure for the provision of information in the

The present document is intended to become a Harmonized Standard, the reference of which will be published in the

Official Journal of the European Communities referencing the Directive 1999/5/EC [2] of the European Parliament and

of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual

The present document is part of a set of standards designed to fit in a modular structure to cover all radio and

telecommunications terminal equipment under the R&TTE Directive [2]. Each standard is a module in the structure.

Figure 1: Modular structure for the various standards used under the R&TTE Directive [2]

The left hand edge of the figure 1 shows the different clauses of article 3 of the R&TTE Directive [2].

For article 3.3 various horizontal boxes are shown. Dotted lines indicate that at the time of publication of the present

document essential requirements in these areas have to be adopted by the Commission. If such essential requirements

are adopted, and as far and as long as they are applicable, they will justify individual standards whose scope is likely to

The vertical boxes show the standards under article 3.2 for the use of the radio spectrum by radio equipment. The

scopes of these standards are specified either by frequency (normally in the case where frequency bands are

For article 3.1b the diagram shows EN 301 489, the multi-part product EMC standard for radio used under the EMC

For article 3.1a the diagram shows the existing safety standards currently used under the LV Directive [4] and new

standards covering human exposure to electromagnetic fields. New standards covering acoustic safety may also be

The bottom of the figure shows the relationship of the standards to radio equipment and telecommunications terminal

equipment. A particular equipment may be radio equipment, telecommunications terminal equipment or both. A radio

spectrum standard will apply if it is radio equipment. An article 3.3 standard will apply as well only if the relevant

essential requirement under the R&TTE Directive [2] is adopted by the Commission and if the equipment in question is

covered by the scope of the corresponding standard. Thus, depending on the nature of the equipment, the essential

• it minimizes the number of standards needed. Because equipment may, in fact, have multiple interfaces and

functions it is not practicable to produce a single standard for each possible combination of functions that may

• it clarifies, simplifies and promotes the usage of Harmonized Standards as the relevant means of conformity

The present document applies to transmitting equipment for the terrestrial digital television broadcasting service.

• Transmitting equipment for digital television broadcasting service, with 7 MHz and 8 MHz RF channel

bandwidths, operating in the CEPT frequency bands. These frequencies are currently within the television

The present document is intended to cover the provisions of article 3.2 of Directive 1999/5/EC [2] (R&TTE Directive),

which states that "… radio equipment shall be so constructed that it effectively uses the spectrum allocated to

terrestrial/space radio communications and orbital resources so as to avoid harmful interference".

In addition to the present document, other ENs that specify technical requirements in respect of essential requirements

under other parts of article 3 of the R&TTE Directive [2] may apply to equipment within the scope of the present

The following documents contain provisions which, through reference in this text, constitute provisions of the present

• References are either specific (identified by date of publication and/or edition number or version number) or

Referenced documents which are not found to be publicly available in the expected location might be found at

[1] Directive 98/34/EC of the European Parliament and of the Council of 22 June 1998 laying down a

procedure for the provision of information in the field of technical standards and regulations.

[2] Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio

equipment and telecommunications terminal equipment and the mutual recognition of their

[3] Council Directive 89/336/EEC of 3 May 1989 on the approximation of the laws of the Member

[4] Council Directive 73/23/EEC of 19 February 1973 on the harmonization of the laws of the

Member States relating to electrical equipment designed for use within certain voltage limits

[5] ETSI EN 301 489-14 (V1.2.1): "Electromagnetic compatibility and Radio spectrum Matters

(ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services;

Part 14: Specific conditions for analogue and digital terrestrial TV broadcasting service

[6] ETSI EN 300 744 (V1.4.1): "Digital Video Broadcasting (DVB); Framing structure, channel

[7] CENELEC EN 55022 (1998): "Information technology equipment - Radio disturbance

[8] CENELEC EN 55011 (1998): "Industrial, scientific and medical (ISM) radio-frequency

equipment - Radio disturbance characteristics - Limits and methods of measurement".

[9] IEC 60489-1 + Am1 (1996) + Am2 (1999): "Methods of measurement for radio equipment used in

the mobile services. Part 1: General definitions and standard conditions of measurement".

[10] ETSI TR 100 028 (all parts): "Electromagnetic compatibility and Radio spectrum Matters (ERM);

For the purposes of the present document, the following terms and definitions apply:

antenna port: port of an apparatus which is designed, in normal operation, to be connected to an antenna using coaxial

broadcasting service: radiocommunication service in which the transmissions are intended for direct reception by the

NOTE: This service may include sound transmissions, television transmissions or other types of transmission.

cabinet radiation: radiation from an enclosure containing, equipment, excluding radiation from connected antennas or

carrier power: average power supplied to the antenna port by a transmitter during one radio frequency cycle taken

class of emission: set of characteristics of an emission, designated by standard symbols, e.g. type of modulation of the

main carrier, modulating signal, type of information to be transmitted, and also, if appropriate, any additional signal

NOTE: In the cases which do not have a carrier, for example in some digital modulation schemes where the

carrier is not accessible for measurement, the reference level equivalent to dBc is decibels relative to the

digital signal: discretely timed signal in which information is represented by a finite number of well defined discrete

digital television: television in which all information is represented by a digital signal

enclosure port: physical boundary of the apparatus through which electromagnetic fields may radiate or impinge

NOTE: In the case of integral antenna equipment, this port is inseparable from the antenna port.

environmental profile: range of environmental conditions under which equipment within the scope of EN 302 296 is

effective radiated power: product of the power supplied to the antenna and it gain relative to a half wave dipole in a

harmonic: component of order greater than 1 of the Fourier series of a periodic quantity

harmonic number: integral number given by the ratio of the frequency of a harmonic to the fundamental frequency

intermodulation products: unwanted frequencies resulting from intermodulation between carriers or harmonics of

mean power: average power supplied to the antenna port by a transmitter during an interval of time sufficiently long

compared with the lowest frequency encountered in the modulation taken under normal operating conditions

necessary bandwidth: for a given class of emission, the width of the frequency band which is sufficient to ensure the

transmission of information at the rate and with the quality required under specified conditions

out-of-band emissions: emission on a frequency or frequencies immediately outside the necessary bandwidth which

rated output power: power that the transmitter or transposer shall deliver at its output under specified conditions of

spurious emissions: emission on a frequency or frequencies which are outside the necessary bandwidth and the level of

which may be reduced without affecting the corresponding transmission of information

NOTE: Spurious emissions include harmonic emissions, parasitic emissions, intermodulation products and

The environmental profile for operation of the equipment shall be declared by the supplier. The equipment shall comply

with all the technical requirements of the present document at all times when operating within the boundary limits of the

Emission on a frequency or frequencies which are outside the necessary bandwidth and the level of which may be

reduced without affecting the corresponding transmission of information. Spurious emissions include harmonic

emissions, parasitic emissions, intermodulation products and frequency conversion products but exclude out of band

For the purposes of the present document spurious emissions are emissions at frequencies outside the frequency range

f ± 14 MHz for 7 MHz channels, f ± 12 MHz for 8 MHz channels, where f is the centre frequency of the channel,

For the purposes of this test no test signal is required, the manufacturer shall ensure that the full rated output power of

1) operate the EUT at each of the test frequencies as defined in clause 4.2.1.2.1;

The results obtained shall be compared to the limits in clause 4.2.1.3 in order to demonstrate compliance.

Spurious emissions shall not exceed the values set out in table 4.1 additionally shown in figures 4.1 and 4.2, for the

NOTE: In the case of a DVB-T transmitter supplied without an internal bandpass output filter, the manufacturer

shall specify the characteristics of the filter necessary to fulfil the spurious emission limits defined in

Emission on a frequency or frequencies immediately outside the necessary bandwidth which results from the

For the purposes of the present document out-of-band emissions are emissions at frequencies outside the necessary

bandwidth and within the frequency ranges f ± 14 MHz for 7 MHz channels, f ± 12 MHz for 8 MHz channels, where

f is the centre frequency of the channel, irrespective of the number of carriers employed.