ETSI EN 301 357-1 V1.3.1 (2006-05)

Electromagnetic compatibility and Radio spectrum Matters (ERM); Cordless audio devices in the range 25 MHz to 2 000 MHz; Part 1: Technical characteristics and test methods

REN/ERM-TG17WG3-007-1

Elektromagnetna združljivost in zadeve v zvezi z radijskim spektrom (ERM) – Brezvrvične avdio naprave za frekvenčno območje od 25 MHz do 2 000 MHz – 1. del: Tehnične karakteristike in preskusne metode

General Information

• Status: Published
• Publication Date: 23-Jul-2006
• Technical Committee: ERM TG17 WG3 - ERM Radio Microphones, Cordless Audio and Audio Links
• Current Stage: 12 - Completion
• Due Date: 04-Aug-2006
• Completion Date: 24-Jul-2006
• Ref Project: SIST EN 301 357-1 V1.3.1:2006 - Electromagnetic compatibility and Radio spectrum Matters (ERM); Cordless audio devices in the range 25 MHz to 2 000 MHz; Part 1: Technical characteristics and test methods

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 301 357-1 V1.3.1:2006
01-oktober-2006
(OHNWURPDJQHWQD]GUXåOMLYRVWLQ]DGHYHY]YH]L]UDGLMVNLPVSHNWURP(50±
%UH]YUYLþQHDYGLRQDSUDYH]DIUHNYHQþQRREPRþMHRG0+]GR0+]±
GHO7HKQLþQHNDUDNWHULVWLNHLQSUHVNXVQHPHWRGH
Electromagnetic compatibility and Radio spectrum Matters (ERM); Cordless audio
devices in the range 25 MHz to 2 000 MHz; Part 1: Technical characteristics and test
methods
Ta slovenski standard je istoveten z: EN 301 357-1 Version 1.3.1
ICS:
33.060.99 Druga oprema za radijske Other equipment for
komunikacije radiocommunications
33.100.01 Elektromagnetna združljivost Electromagnetic compatibility
na splošno in general
SIST EN 301 357-1 V1.3.1:2006 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 301 357-1 V1.3.1:2006

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SIST EN 301 357-1 V1.3.1:2006

ETSI EN 301 357-1 V1.3.1 (2006-07)
European Standard (Telecommunications series)


Electromagnetic compatibility
and Radio spectrum Matters (ERM);
Cordless audio devices in the range 25 MHz to 2 000 MHz;
Part 1: Technical characteristics and test methods

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SIST EN 301 357-1 V1.3.1:2006
 2 ETSI EN 301 357-1 V1.3.1 (2006-07)



Reference
REN/ERM-TG17WG3-007-1
Keywords
audio, radio, radio MIC, testing
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SIST EN 301 357-1 V1.3.1:2006
 3 ETSI EN 301 357-1 V1.3.1 (2006-07)
Contents
Intellectual Property Rights.7
Foreword.7
Introduction .8
1 Scope.9
2 References.10
3 Definitions, symbols and abbreviations .11
3.1 Definitions.11
3.2 Symbols.11
3.3 Abbreviations.12
4 Functional characteristics.12
4.1 Cordless audio.12
4.1.1 In-vehicle cordless.12
4.1.2 Personal cordless.12
4.1.3 Broadband multi channel systems .12
4.1.4 Band II LPD.13
4.2 Consumer radio microphones.13
4.3 In-ear monitoring.13
5 General.13
5.1 Presentation of equipment for testing purposes.13
5.1.1 Choice of model for performance testing .14
5.1.2 Definitions of alignment and switching ranges.14
5.1.3 Alignment Range.14
5.1.4 Choice of frequencies.14
5.1.5 Testing of single channel equipment .14
5.1.6 Testing of two channel equipment.14
5.1.7 Testing of multi-channel equipment (more than two channels).14
5.1.8 Testing of equipment with an external frequency control.15
5.1.9 Testing of equipment with an integral antenna.15
5.1.9.1 Equipment with a permanent internal RF port .15
5.1.9.2 Equipment with a temporary RF port.15
5.2 Mechanical and electrical design.15
5.2.1 General.15
5.2.2 Controls.15
5.2.3 Integral antenna.15
5.2.4 Marking.16
5.3 Interpretation of the measurement results .16
6 Test conditions, power sources and ambient conditions .16
6.1 Normal and extreme test-conditions.16
6.2 Test power source.16
6.3 Normal test conditions.16
6.3.1 Normal temperature and humidity.17
6.3.2 Normal test power source voltage.17
6.3.2.1 Mains voltage.17
6.3.2.2 Nickel-cadmium cells.17
6.3.2.3 Other power sources.17
6.4 Extreme test conditions .17
6.4.1 Extreme temperatures.17
6.4.1.1 Procedures for tests at extreme temperatures .17
6.4.2 Extreme test power source voltages.18
6.4.2.1 Mains voltage.18
6.4.2.2 Re-chargeable battery power sources.18
6.4.2.3 Power sources using other types of batteries.18
ETSI

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SIST EN 301 357-1 V1.3.1:2006
 4 ETSI EN 301 357-1 V1.3.1 (2006-07)
6.4.2.4 Other power sources.18
7 General conditions.18
7.1 Normal test modulation.18
7.2 Test fixture.19
7.3 Test site and general arrangements for radiated measurements.20
7.4 Modes of operation of the transmitter .20
7.5 Arrangement for test signals at the input of the transmitter .20
8 Methods of measurement and limits for transmitter parameters .20
8.1 Basic requirements for Band II LPD .20
8.2 Methods of measurement and limits for transmitter parameters of Band II LPD.21
8.2.1 Effective radiated power, occupied bandwidth, channel spacing, frequency error, and transmitter
timeout .21
8.2.1.1 Definitions.21
8.2.1.2 Test equipment setup.21
8.2.1.3 Method of measurement.22
8.2.1.3.1 Test site and general arrangements for radiated measurements.22
8.2.1.3.2 Test modulation.22
8.2.1.3.3 Measurement procedure.22
8.2.1.4 Limits.22
8.2.1.5 Measurement uncertainty.23
8.2.1.6 Radiated spurious emissions .23
8.2.1.6.1 Definitions.23
8.2.1.6.2 Measurement procedure.23
8.2.1.6.3 Limits for Band II LPD .23
8.2.1.6.4 Limits for combined equipments.23
8.2.1.6.5 Measurement uncertainty.23
8.3 Frequency error.24
8.3.1 Definition.24
8.3.2 Method of measurement.24
8.3.3 Limit.24
8.4 Carrier power.24
8.4.1 Definition.24
8.4.2 Method of measurement for equipment with integral antenna.24
8.4.2.1 Method of measurement under normal test conditions .24
8.4.2.2 Method of measurement under extreme test conditions.25
8.4.3 Limit.25
8.5 Channel bandwidth.26
8.5.1 Definition.26
8.5.2 Measurement of Necessary Bandwidth (BN) .26
8.5.3 Limits.26
8.5.4 Edge of Band Limits.26
8.6 Spurious emissions and cabinet radiation.27
8.6.1 Definitions.28
8.6.2 Method of measuring the effective radiated power.28
8.6.3 Limits.28
8.6.4 Measuring receiver.28
8.7 Cordless audio transmitter shutoff.29
8.7.1 Definition.29
8.7.2 Method of measurement.29
8.7.3 Limits.29
9 Receiver.30
9.1 Spurious emissions and cabinet radiation.30
9.1.1 Definitions.30
9.1.2 Method of measuring the power level in a specified load.30
9.1.3 Method of measuring the effective radiated power of the enclosure .30
9.1.4 Method of measuring the effective radiated power.31
9.1.5 Limits.31
10 Measurement uncertainty.31
ETSI

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SIST EN 301 357-1 V1.3.1:2006
 5 ETSI EN 301 357-1 V1.3.1 (2006-07)
10.1 Compliance assessment when measurement uncertainty is equal to or less than maximum acceptable
uncertainty.31
10.2 Compliance assessment when measurement uncertainty is greater than maximum acceptable uncertainty .32
10.3 Maximum allowable measurement uncertainties .32
Annex A (normative): Radiated measurement.33
A.1 Test sites and general arrangements for measurements involving the use of radiated fields.33
A.1.1 Anechoic chamber.33
A.1.2 Anechoic chamber with a conductive ground plane.34
A.1.3 Open Area Test Site (OATS) .35
A.1.4 Test antenna.36
A.1.5 Substitution antenna.37
A.1.6 Measuring antenna.37
A.1.7 Stripline arrangement.37
A.1.7.1 General.37
A.1.7.2 Description.37
A.1.7.3 Calibration.37
A.1.7.4 Mode of use .37
A.2 Guidance on the use of radiation test sites .38
A.2.1 Verification of the test site .38
A.2.2 Preparation of the EUT.38
A.2.3 Power supplies to the EUT.38
A.2.4 Volume control setting for analogue speech tests .38
A.2.5 Range length.39
A.2.6 Site preparation.39
A.3 Coupling of signals.40
A.3.1 General.40
A.3.2 Data Signals.40
A.3.3 Speech and analogue signals .40
A.3.3.1 Acoustic coupler description.40
A.3.3.2 Calibration.41
A.4 Standard test position.41
A.5 Test fixture.41
A.5.1 Description.41
A.5.2 Calibration.42
A.5.3 Mode of use.43
Annex B (normative): Measurement of Necessary Bandwidth (BN) .44
Annex C (informative): Receiver parameters.45
C.1 Blocking or desensitization .45
C.1.1 Definition.45
C.1.2 Method of measurement.45
C.1.2.1 Measurement procedure.45
C.1.2.2 Definitions.45
C.1.2.3 Limits for applications below 1 GHz.46
C.1.2.4 Limits for applications above 1 GHz .46
C.2 Frequency mask for the receiver part.46
C.2.1 Definition.46
C.2.2 Method of measurement.46
C.2.3 Typical values for receivers.47
C.2.3.1 Typical values for receivers with analogue modulation.47
C.2.3.2 Typical values for receivers with digital modulation.47
Annex D (informative): Derivation of radiated spurious emissions limit for Band II LPD .48
Annex E (informative): Justifications for field strength measurement.49
ETSI

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SIST EN 301 357-1 V1.3.1:2006
 6 ETSI EN 301 357-1 V1.3.1 (2006-07)
Annex F (informative): Bibliography.50
History .51

ETSI

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SIST EN 301 357-1 V1.3.1:2006
 7 ETSI EN 301 357-1 V1.3.1 (2006-07)
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