1、 IEC 62761 Edition 1.0 2014-02 INTERNATIONAL STANDARD NORME INTERNATIONALE Guidelines for the measurement method of nonlinearity for surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices in radio frequency (RF) Lignes directrices pour la mthode de mesure des non-linarits pour les disposit
2、ifs ondes acoustiques de surface (OAS) et ondes acoustiques de volume (OAV) pour frquences radiolectriques (RF) IEC 62761:2014-02(en-fr) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publ
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20、02 INTERNATIONAL STANDARD NORME INTERNATIONALE Guidelines for the measurement method of nonlinearity for surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices in radio frequency (RF) Lignes directrices pour la mthode de mesure des non-linarits pour les dispositifs ondes acoustiques de sur
21、face (OAS) et ondes acoustiques de volume (OAV) pour frquences radiolectriques (RF) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE T ICS 31.140 PRICE CODE CODE PRIX ISBN 978-2-8322-1425-1 Registered trademark of the International Electrotechnical Commission Marq
22、ue dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 62761 IEC:2014 CONTENTS FOREWORD . 3 INTROD
23、UCTION . 5 1 Scope 6 2 Normative references 6 3 Terms and definitions 6 3.1 General terms 6 3.2 Response related terms . 8 3.3 Nonlinearity related terms 9 4 Basic properties of nonlinear system . 10 4.1 Behaviours of nonlinear system . 10 4.2 Measurement setup for nonlinearity . 12 4.2.1 Harmonics
24、measurement 12 4.2.2 IMD Measurement 14 4.3 Influence of circuit impedance for nonlinearity measurement 16 4.4 Influence of circuit nonlinearity . 18 5 Nonlinearity measurement . 18 5.1 Measurement equipment 18 5.1.1 Signal generator and power amplifier 18 5.1.2 Spectrum analyser 18 5.1.3 Network an
25、alyser (optional) 19 5.1.4 Accessories 19 5.2 Measurement Specifications 19 5.3 Measurement procedure 21 5.3.1 DUT check 21 5.3.2 Setup and check . 21 5.3.3 Data acquisition 21 5.3.4 DUT final check 22 5.4 Report 22 Bibliography 23 Figure 1 FBAR configuration 7 Figure 2 SMR configuration 8 Figure 3
26、Fundamental and harmonics output as a function of input signal power 12 Figure 4 Basic setup for the harmonics measurement 13 Figure 5 Practical setup for the harmonics measurement . 13 Figure 6 Setup when the circulator/isolator is used 14 Figure 7 Practical setup for the IMD measurement (two-tone
27、test) . 15 Figure 8 Practical setup for three-tone measurement . 16 Figure 9 Setup for IMD2 measurement of SAW/BAW antenna duplexers 16 Figure 10 Range of deviation resulting from in dB . 17 Figure 11 Ideal IMD2 measurement setup for RF SAW/BAW duplexers 20 Figure 12 Setup for the measurement of inp
28、ut signal intensity . 22 Table 1 Frequencies f aand f bof input signals and target frequency f t. 20 62761 IEC:2014 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ GUIDELINES FOR THE MEASUREMENT METHOD OF NONLINEARITY FOR SURFACE ACOUSTIC WAVE (SAW) AND BULK ACOUSTIC WAVE (BAW) DEVICES IN RADIO FREQUE
29、NCY (RF) 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 standardizati
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39、e 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. International Standard IEC 62761 has been prepared by IEC technical committee 49: Piezoelectric, dielectric and electr
40、ostatic devices and associated materials for frequency control, selection and detection. The text of this standard is based on the following documents: FDIS Report on voting 49/1091/FDIS 49/1098/RVD Full information on the voting for the approval of this standard can be found in the report on voting
41、 indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 4 62761 IEC:2014 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.
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43、r the correct understanding of its contents. Users should therefore print this document using a colour printer. 62761 IEC:2014 5 INTRODUCTION Radio frequency (RF) surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices such as filters and duplexers are now widely used in various communicati
44、on systems. Due to their small physical size, energy concentration causes generation of nonlinear signals even when relatively small electric power is applied, and they may interfere with the communications. The features of these RF SAW/BAW devices are their small size, light weight, omission of imp
45、edance and/or frequency tuning, high stability and high reliability. Nowadays, RF SAW/BAW devices with low insertion attenuation are widely used in various applications in the RF range. In such applications, suppression of transmission and generation of unnecessary signals is highly demanded. Since
46、nonlinearity in the RF SAW/BAW devices will generate such signals, its ultimate suppression is always crucial. In the same time, measurement method of nonlinear signals should be well established from industrial points of view. In passive filters like RF SAW/BAW ones, frequency selectivity is realiz
47、ed by impedance matching/mismatching with peripheral circuitry. Thus impedance of peripheral circuitry shall be set as specified for reliable and reproducible filter characterization. This is also true for non-linear characteristics. It should be noted that even-order non-linearity, which is not com
48、mon in general passive electronic components, may occur in RF SAW/BAW devices employing piezoelectric materials for electrical excitation and detection of SAWs/BAWs. This is because crystallographic asymmetry is necessary for existence of piezoelectricity. Therefore, measurement methods should be sp
49、ecifically established for non-linear behavior of RF SAW/BAW devices. This standard has been compiled in response to a generally expressed desire on the part of both users and manufacturers for general Information on test condition guidance of RF SAW/BAW filters, so that the filters may be used to their best advantage. To this end, general and fundamental characteristics have been explained in this standard.
