SIST ETS 300 249 E1:2006

SLOVENSKI STANDARD
SIST ETS 300 249 E1:2006
01-februar-2006
Satelitske zemeljske postaje in sistemi (SES) – Televizijska sprejemna oprema za
uporabo v radiodifuzijski satelitski storitvi (BSS)
Satellite Earth Stations and Systems (SES); Television Receive-Only (TVRO) equipment
used in the Broadcasting Satellite Service (BSS)
Ta slovenski standard je istoveten z: ETS 300 249 Edition 1
ICS:
33.060.30 Radiorelejni in fiksni satelitski Radio relay and fixed satellite
komunikacijski sistemi communications systems
SIST ETS 300 249 E1:2006 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 249 E1:2006

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SIST ETS 300 249 E1:2006
EUROPEAN ETS 300 249
TELECOMMUNICATION December 1993
STANDARD
Source: ETSI TC-SES Reference: DE/SES-4003
ICS: 33.160.20, 33.160.40
TVRO, BSS
Key words:
Satellite Earth Stations (SES);
Television Receive-Only (TVRO) equipment used in
the Broadcasting Satellite Service (BSS)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - secretariat@etsi.fr
X.400: Internet:
Tel.: +33 92 94 42 00 - Fax: +33 93 65 47 16
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1993. All rights reserved.
New presentation - see History box

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ETS 300 249: December 1993
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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ETS 300 249: December 1993
Contents
Foreword.9
1 Scope . 11
2 Normative references . 12
3 Definitions. 13
4 General conditions for measurement. 14
4.1 General. 14
5 Requirements. 14
5.1 General. 14
5.2 Safety. 14
5.2.1 Purpose. 14
5.2.2 Mechanical safety . 15
5.2.2.1 Specification. 15
5.2.2.2 Verification. 15
5.2.3 Mechanical construction. 15
5.2.3.1 Purpose. 15
5.2.3.2 Specifications. 15
5.2.3.2.1 Specification 1: outdoor unit test. 15
5.2.3.2.2 Specification 2: mechanical loads at
the interface of the attachment devices 16
5.2.3.3 Verification. 16
5.2.3.3.1 Wind tunnel test procedure. 16
5.2.3.3.2 Numerical analysis procedure. 17
5.2.4 Electrical shock by access. 18
5.2.4.1 General . 18
5.2.4.2 Specification. 18
5.2.4.3 Verification. 18
5.2.5 Lightning protection . 18
5.2.5.1 General . 18
5.2.5.2 Specification. 18
5.2.5.3 Verification. 18
5.2.6 Solar radiation protection . 18
5.2.6.1 Purpose. 18
5.2.6.2 Specification. 18
5.2.6.3 Verification. 19
5.2.7 Adverse conditions . 19
5.2.7.1 General . 19
5.2.7.2 Corrosion resistance. 19
5.2.7.2.1 Specification . 19
5.2.7.2.2 Verification. 19
5.2.7.3 Fire hazard. 19
5.2.7.3.1 Specification . 19
5.2.7.3.2 Verification. 19
5.3 Local Oscillator (LO) frequency. 19
5.3.1 Frequency spectrum. 19
5.3.1.1 Purpose. 19
5.3.1.2 Specification. 19
5.3.1.3 Verification. 19
5.3.2 Frequency conversion tolerance . 20
5.3.2.1 General . 20

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5.3.2.2 Purpose.20
5.3.2.3 Specification.20
5.3.2.4 Verification .20
5.4 Radiation from the outdoor unit.20
5.4.1 General . 20
5.4.2 Purpose. 21
5.4.3 Unwanted radiation including LO leakage radiated from the antenna.21
5.4.3.1 General.21
5.4.3.2 Specification.21
5.4.3.3 Verification.21
5.4.4 Radiation from outdoor unit (EIRP) .22
5.4.4.1 Specification.22
5.4.4.2 Verification .22
5.5 Immunity.22
5.5.1 Definitions.22
5.5.2 External immunity of the outdoor unit to ambient fields. 22
5.5.2.1 General. 22
5.5.2.2 Specification. 23
5.5.2.3 Verification . 23
5.5.3 External immunity of the outdoor unit to currents conducted via connected
cables .23
5.5.3.1 General.23
5.5.3.2 Specification.23
5.5.3.3 Verification .24
5.6 Documentation .24
5.6.1 Purpose. 24
5.6.2 Specification .24
5.6.3 Verification.24
6 Recommendations.26
6.1 Introduction.26
6.2 Radio Frequency (RF) input range .26
6.2.1 Purpose. 26
6.2.2 Specification .26
6.2.3 Verification.26
6.3 Intermediate Frequency (IF) output range .26
6.3.1 Purpose. 26
6.3.2 Specification .26
6.3.3 Verification.26
6.4 Figure of merit .26
6.4.1 General . 26
6.4.2 Purpose. 26
6.4.3 Specification .27
6.4.4 Verification.27
6.5 Radiation from outdoor unit (EIRP) .27
6.5.1 Specification .27
6.5.2 Verification.27
6.6 Antenna sub-system .27
6.6.1 General . 27
6.6.2 Frequency-band .27
6.6.3 Polarisation.28
6.6.3.1 Purpose.28
6.6.3.2 Specification.28
6.6.3.3 Verification .28
6.6.4 Co-polar on-axis gain.28
6.6.4.1 Purpose.28
6.6.4.2 Specification.28
6.6.4.3 Verification .28
6.6.5 Antenna gain pattern.28
6.6.5.1 General.28

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6.6.5.2 Purpose. 28
6.6.5.3 Specifications. 29
6.6.5.3.1 Specification 1 . 29
6.6.5.3.2 Specification 2 . 29
6.6.5.4 Design objectives. 29
6.6.5.4.1 Antenna discrimination . 29
6.6.5.4.2 Antenna gain pattern. 29
6.6.5.5 Verification. 30
6.6.6 Cross-polarisation discrimination. 30
6.6.6.1 Purpose. 30
6.6.6.2 Specification. 30
6.6.6.3 Design objective . 30
6.6.6.4 Verification. 30
6.6.7 Pointing accuracy capability . 30
6.6.7.1 Purpose. 30
6.6.7.2 Specification. 31
6.6.7.3 Verification. 31
6.6.8 Antenna pointing and efficiency stability under severe environmental
conditions . 31
6.6.8.1 General . 31
6.6.8.2 Specification. 31
6.6.8.3 Verification. 31
6.6.9 Output interface of antenna sub-system . 31
6.6.9.1 Physical interface . 31
6.6.9.1.1 Purpose. 31
6.6.9.1.2 Specification . 31
6.6.9.1.3 Verification. 31
6.6.9.2 Impedance matching. 32
6.6.9.2.1 Purpose. 32
6.6.9.2.2 Specification . 32
6.6.9.2.3 Verification. 32
6.7 Low Noise Block (LNB) down-converter . 32
6.7.1 General . 32
6.7.2 Radio Frequency (RF) input range . 32
6.7.3 Intermediate Frequency (IF) output range . 32
6.7.4 Frequency conversion tolerance . 32
6.7.5 LNB noise temperature, or noise figure . 32
6.7.5.1 Purpose. 32
6.7.5.2 Specification. 32
6.7.5.3 Verification. 33
6.7.6 Image frequency rejection. 33
6.7.6.1 General . 33
6.7.6.2 Specification. 33
6.7.6.3 Verification. 33
6.7.7 Output level . 33
6.7.7.1 General . 33
6.7.7.2 Purpose. 33
6.7.7.3 Specification. 33
6.7.7.4 Verification. 33
6.7.8 Small signal gain . 33
6.7.8.1 Purpose. 33
6.7.8.2 Specification. 34
6.7.8.3 Verification. 34
6.7.9 Linearity . 34
6.7.9.1 General . 34
6.7.9.2 Purpose. 34
6.7.9.3 Linear distortion: amplitude-frequency characteristic. 34
6.7.9.3.1 Specification . 34
6.7.9.3.2 Verification. 34
6.7.9.4 Linear distortion: group-delay characteristic. 34

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6.7.9.4.1 Specification .34
6.7.9.4.2 Verification.34
6.7.10 LNB input interface .35
6.7.10.1 Purpose.35
6.7.10.2 Specification.35
6.7.10.3 Verification .35
6.7.11 LNB output interface .35
6.7.11.1 Impedance.35
6.7.11.1.1 Purpose.35
6.7.11.1.2 Specification .35
6.7.11.1.3 Verification.35
6.7.11.2 Type of connector. 35
6.7.11.2.1 Purpose. 35
6.7.11.2.2 Specification . 35
6.7.11.2.3 Verification. 35
6.7.11.3 Impedance matching at the output terminal .35
6.7.11.3.1 General .35
6.7.11.3.2 Specification .35
6.7.11.3.3 Verification.36
6.8 Internal immunity of the outdoor unit to unwanted signals.36
6.8.1 General . 36
6.8.2 Specification .36
6.8.3 Verification.36
6.9 Power supply.36
6.9.1 Power supply for LNB.36
6.9.1.1 Purpose.36
6.9.1.2 Specification.36
6.9.1.3 Verification .37
6.9.2 Power supply for auxiliary devices .37
6.9.2.1 Purpose.37
6.9.2.2 Specification.37
6.9.2.3 Verification .37
6.10 Commands .37
6.10.1 General . 37
6.10.2 Purpose. 37
6.10.3 Specification .37
6.10.4 Verification.38
Annex A (normative): General conditions for measurement.39
A.1 Standard atmospheric conditions .39
A.2 Power supply.39
A.2.1 Standard conditions.39
A.2.2 Supplementary conditions on dc source.39
A.3 Test site . 39
A.4 Accuracy of the measuring instruments .40
A.5 Stabilisation period .40
A.6 Presentation of results.40
A.7 Deviations.40
A.8 Radio frequency input signals .40
A.8.1 Introduction.40
A.8.2 Test signals .40
A.8.3 Test frequencies . 40

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A.8.4 Radio frequency input arrangement (for the outdoor unit) .41
A.8.4.1 Input signal level.41
A.8.4.2 Available power.41
A.8.4.3 Power flux density .41
A.8.4.4 Siting and distance of the antennae.41
A.8.5 Other conditions for measurements on antenna sub-system .42
A.8.5.1 Standard antenna.42
A.8.5.2 Source antenna.42
A.8.5.3 Variable attenuator.43
A.8.5.4 Directional coupler.43
Annex B (normative): Radiation measurements in the frequency range from 1 GHz to 18 GHz .44
B.1 Measurement equipment.44
B.2 Operating conditions.44
B.3 Site checking and calibration .44
B.4 Measurement procedure.45
B.5 Presentation of the results .45
Annex C (normative): Radiation measurements in the frequency range from 30 MHz to 1 GHz.46
C.1 Introduction.46
C.2 Measurements in the frequency range 30 MHz - 300 MHz .46
C.3 Measurements in the frequency range 300 MHz - 1 000 MHz.46
C.3.1 Equipment required .46
C.3.2 General measurement requirements.46
C.3.3 Equipment layout and connection.47
C.3.4 Operating conditions.47
C.3.5 Measurement frequencies.47
C.3.6 Precautions .47
C.3.7 Measurement procedure.48
C.3.8 Presentation of the results . 48
Annex D (normative): Measurement of G/T ratio by direct method.49
D.1 Introduction.49
D.2 Environmental conditions for G/T measurement .49
D.3 Methods of measurement .49
D.4 Arrangement of test equipment. 49
D.5 Presentation of results. 49
Annex E (normative): Antenna sub-system noise temperature measurement method.50
Annex F (informative): Installation.51
Annex G (informative): General characteristics of the Broadcasting Satellite Service (BSS) in the 12
GHz band.52
G.1 Background of the WARC '77.52

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G.2 Up-link .52
G.3 Satellite .53
G.4 Earth reception.53
G.5 Down-link.53
G.6 WARC '77 receiver.
...