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AS
AS 4268.1-1996

AS 4268.1-1996

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Radio equipment and systems - Short range devices Technical characteristics and test methods for radio equipment in the frequency range 9 kHz to 25 MHz and inductive loop systems in the frequency range 9 kHz to 30 MHz

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

30-06-2017

Language(s)

English

Published date

05-10-1996

Publisher

Standards Australia

Preview

1 - AS 4268.1-1996 RADIO EQUIPMENT AND SYSTEMS-SHORT RANGE DEVICES - TECHNICAL CHARACTERISTICS AND TEST METHODS FOR RADIO...
4 - PREFACE
5 - CONTENTS
8 - INTRODUCTION
9 - 1 Scope
9 - 2 Normative references
10 - 3 Defini tions, abbreviations and symbols
10 - 3.1 Definitions
11 - 3.2 Abbreviations
11 - 3.3 Symbols
11 - 4 General requirements
11 - 4.1 Mechanical and electrical design
11 - 4.1.1 General
11 - 4.1.2 Controls
11 - 4.1.3 Transmitter shut-off facility
11 - 4.1.4 Marking (equipment identification)
12 - 4.1.5 Receiver mute or squelch
12 - 4.2 Declarations by the applicant
12 - 4.3 Auxiliary test equipment
12 - 4.4 Interpretation of the measurement results
12 - 5 Test condi tions, power sources and ambient temperatures
12 - 5.1 Normal and extreme test conditions
12 - 5.2 External test power source
13 - 5.3 Normal test conditions
13 - 5.3.1 Normal temperature and humidity
13 - 5.3.2 Normal test power source
13 - 5.4 Extreme test conditions
13 - 5.4.1 Extreme temperatures
15 - 5.4.2 Extreme test source voltages
15 - 6 General conditions
15 - 6.1 Normal test signals and test modulation
15 - 6.1.1 Normal test signals for analogue speech
16 - 6.1.2 Normal test signals for data
16 - 6.2 Artificial antenna
16 - 6.3 Test fixture
16 - 6.4 Test sites and general arrangements for radiated measurements
16 - 6.5 Modes of operation of the transmitter
17 - 6.6 Measuring receiver
17 - 6.7 Pulse modulated signal below 135 kHz
19 - 7 Transmitter requi rements
19 - 7.1 Transmitter definitions
19 - 7.1.1 The inductive loop coil transmitters
19 - 7.1.2 The large size loop transmitters
19 - 7.1.3 Other transmitters
19 - 7.1.4 Product classes
20 - 7.2 Transmitter carrier output levels
20 - 7.2.1 H-field (Class 1)
21 - 7.2.2 RF carrier current (classes 2 and 3)
22 - 7.2.3 Radiated E-field (Class 4)
23 - 7.3 Operating frequencies
23 - 7.3.1 Definition
23 - 7.3.2 Frequency error
24 - 7.3.3 Modulation bandwidth
24 - 7.4 Spurious emissions
24 - 7.4.1 Definition
25 - 7.4.2 Conducted spurious emissions, subclause 7.4.1 1) a)
26 - 7.4.3 Field strength, subclause 7.4.1 1) b) and 2)
27 - 7.4.4 Effective radiated power, subclause 7. 4.1 1) b) and 2)
28 - 8 Receiver requirement
28 - 8.1 Receiver spurious radiation
28 - 8.1.1 Definition
28 - 8.1.2 Methods of measurement
28 - 8.1.3 Limits
29 - 9 Measurement uncertainty
30 - Annex A - Radiated measurements
30 - A.1 Test si tes and general arrangements for measurements involving the use of raduiated fields
33 - A.2 Guidance on the use of radi ation test sites
34 - A.3 Further optional alternative indoor test si te using an anechoic chamber
37 - Annex B - Transmitter carrier limits, radiated H-Field @ 10 m distance
38 - Annex C - Transmitter RF carrier current limit for large size loop
39 - Annex D - H-field limit correction factor for generated E-fields
40 - Annex E - Spurious limits, radiated H-field at 10 m distances
41 - Annex F - Test fixture for measuring carrier and harmonic currents by use of an artificial antenna
42 - Annex G - E-fields in the near field at low frequencies
43 - Annex H - category 2 - customised loop antennas
43 - H.1 Carrier currents
46 - APPENDIX ZZ - VARIATIONS FOR AUSTRALIA

Specifies the radio frequency characteristics of short range radio equipment and inductive loop systems required for suitable operation in the Australian radiofrequency spectrum. These devices include alarms, identification systems, telecommand and telemetry and may have antenna connectors or integral antennas. It also includes test methods for verifying that suitability. An appendix includes those requirements specific to the Australian radiofrequency spectrum plan. This Standard is based on and has been reproduced from ETSI I-ETS 300 330.

This I-ETS is a general standard for the frequency band 9 kHz to 25 MHz for radio equipment and 9 kHz to 30 MHz for inductive loop systems, which may be superseded by specific standards covering specific applications.This I-ETS covers the minimum characteristics considered necessary in order to make the best use of the available frequencies.It does not necessarily include all the characteristics which may be required by a user, nor does it necessarily represent the optimum performance achievable.It applies to SRDs as follows:- inductive loop systems;- with an antenna connection and/or with an integral antenna;- for alarms, identification systems, telecommand, telemetry, etc., applications;- with or without speech.All types of modulation for radio devices are covered by this I-ETS.This I-ETS covers fixed stations, mobile stations and portable stations. If the system includes transponders, these will be measured together with the transmitter.Two types of measuring methods are defined in this I-ETS due to the varied nature of the types of equipment used in this band. One method measures the RF carrier current, the other measures the H-field.CEPT Recommendation TIR 01-04 [2], on Low Power Devices (LPDs) using an integral antenna, mentions in the frequency range 9 kHz to 25 MHz two frequency bands, 6,765 to 6,795 MHz and 13,553 to 13,567 MHz, with a field strength limit of 65 dBV/m measured at 30 m (which is equivalent to 42 dBA/m at 10 m).On non-harmonized parameters, national administrations may impose conditions on the type of modulation, channel/frequency separations, maximum transmitter output power/effective radiated power, equipment marking and the inclusion of an automatic transmitter shut-off facility, as a condition for the issue of an individual or general licence, or as a condition for use under licence exemption.Additional standards or specifications may be required for equipment such as that intended for connection to the Public Switched Telephone Network (PSTN).This I-ETS covers requirements for radiated emissions below 30 MHz.

Committee
RC-006
DocumentType
Standard
ISBN
0 7337 0736 X
Pages
41
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Under Revision see DR 03333 CP First published as AS 4268.1-1996.

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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