|
IEC TS 61169-1-51
Edition 1.0 2020-10
TECHNICAL
SPECIFICATION
colour
inside
Radio frequency connectors –
Part 1-51: Technical specification of electrical tests – Uncertainty specification
of frequency domain test for return loss
your local IEC member National Committee for further information.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de
CH-1211 Geneva 20
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
IEC publications search - webstore.iec.ch/advsearchform Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and
once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.
need further assistance, please contact the Customer Service
.
IEC TS 61169-1-51
Edition 1.0 2020-10
TECHNICAL
SPECIFICATION
colour
inside
Radio frequency connectors –
Part 1-51: Technical specification of electrical tests – Uncertainty specification
of frequency domain test for return loss
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.120.30 ISBN 978-2-8322-8928-0
– 2 – IEC TS 61169-1-51:2020 © IEC 2020
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Units, symbols and dimensions . 7
4.1 Units and symbols. 7
5 Report characteristics . 7
6 Return loss in frequency domain tests . 7
6.1 Parameters . 7
6.2 General considerations . 7
6.3 Test equipment . 8
6.3.1 General requirement . 8
6.3.2 VNA calibration uncertainty. 8
6.3.3 Terminating load specification . 9
6.3.4 Other test conditions . 10
6.3.5 Total test uncertainty . 10
Annex A (informative) Estimation of VNA uncertainty specifications from commercial
standard devices . 11
A.1 Estimation from calibration certificate . 11
A.2 Estimation from data/specification sheet . 11
Bibliography . 13
Figure 1 – Graphical symbols . 8
Figure 2 – Graphical principle . 8
Figure 3 – VNA measurement model . 8
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
RADIO FREQUENCY CONNECTORS –
Part 1-51: Technical specification of electrical tests –
Uncertainty specification of frequency domain test for return loss
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
The main task of IEC technical committees is to prepare International Standards. In
exceptional circumstances, a technical committee may propose the publication of a Technical
Specification when
• the required support cannot be obtained for the publication of an International Standard,
despite repeated efforts, or
• the subject is still under technical development or where, for any other reason, there is the
future but no immediate possibility of an agreement on an International Standard.
Technical Specifications are subject to review within three years of publication to decide
whether they can be transformed into International Standards.
IEC TS 61169-1-51, which is a Technical Specification, has been prepared by subcommittee
46F: RF and microwave passive components, of IEC technical committee 46: Cables, wires,
waveguides, RF connectors, RF and microwave passive components and accessories.
– 4 – IEC TS 61169-1-51:2020 © IEC 2020
The text of this Technical Specification is based on the following documents:
Draft TS Report on voting
46F/488/DTS 46F/495/RVDTS
Full information on the voting for the approval of this Technical Specification can be found in
the report on voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 61169 series, published under the general title Radio frequency
connectors, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
INTRODUCTION
This document relates to technical requirements for electrical tests for radio frequency
connectors. In IEC 61169-1:2013, a frequency domain test method has been described.
However, the document does not contain the quantitative uncertainty specification for
measurement instruments, i.e. vector network analysers and terminations, for return loss. This
document shows quantitative uncertainty specifications of electrical tests for return loss of
radio frequency connectors. In addition, the document includes a brief analysis of vector
network analyser measurement uncertainty for return loss measurements of radio frequency
connectors.
– 6 – IEC TS 61169-1-51:2020 © IEC 2020
RADIO FREQUENCY CONNECTORS –
Part 1-51: Technical specification of electrical tests –
Uncertainty specification of frequency domain test for return loss
1 Scope
This part of IEC 61169, which is a Technical Specification, relates to radio frequency
connectors for RF transmission lines for use in telecommunications, electronics and similar
equipment.
It provides the technical report for the uncertainty specifications for return loss measurements,
which apply to individual connector types, by vector network analysers (VNAs). It is intended
to establish concepts and procedures considering:
– testing and measuring procedures concerning frequency domain electrical properties;
– uncertainty specifications of VNAs measurements for return loss of RF connectors.
The test methods and procedures of this document are intended for acceptance and type
approval testing.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document (including
any amendments) applies.
IEC 60027, Letter symbols to be used in electrical technology
IEC 60050, International Electrotechnical Vocabulary
(available from: http://www.electropedia.org)
IEC 60617, Graphical symbols for diagrams
IEC 61169-1:2013, Radio frequency connectors – Part 1: Generic specification – General
requirements and measuring methods
ISO/IEC 17025:2017, General requirements for the competence of testing and calibration
laboratories
ISO/IEC Guide 98-1, Uncertainty of measurement – Part 1: Introduction to the expression of
uncertainty in measurement
ISO 1000:1992 ,
...