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JJF 1893-2021 English PDF

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JJF 1893-2021: Calibration Specification for (0.2～40)GHz Electromagnetic Compatibility Horn Antennas
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JJF 1893-2021English1059 Add to Cart 7 days [Need to translate] Calibration Specification for (0.2～40)GHz Electromagnetic Compatibility Horn Antennas Valid JJF 1893-2021

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Standard similar to JJF 1893-2021

JJF 1234   JJF 1396   JJG 376   JJF 1896   JJF 1897   JJF 1894   

Basic data

Standard ID JJF 1893-2021 (JJF1893-2021)
Description (Translated English) Calibration Specification for (0.2��40)GHz Electromagnetic Compatibility Horn Antennas
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A56
Word Count Estimation 46,480
Issuing agency(ies) State Administration for Market Regulation

JJF 1893-2021: Calibration Specification for (0.2～40)GHz Electromagnetic Compatibility Horn Antennas


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration Specification for (0.2～40)GHz Electromagnetic Compatibility Horn Antennas National Metrology Technical Specifications of the People's Republic of China (0.2~40)GHz electromagnetic compatible speaker Antenna calibration specification Released on 2021-02-23 2021-08-23 implementation Issued by the State Administration for Market Regulation (0.2~40)GHz electromagnetic compatible speaker Antenna calibration specification Focal point. National Radio Metrology Technical Committee Main drafting unit. China Institute of Metrology Participating in the drafting unit. Xidian University This specification entrusts the National Radio Measurement Technical Committee to be responsible for the interpretation The main drafters of this specification. Wang Weilong (China Institute of Metrology) Wu Fan (Chinese Academy of Metrology) Huang Pan (China Institute of Metrology) Participating drafters. Li Yong (Xidian University)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2 Reference documents (1) 3 Terms and units of measurement (1) 4 Overview (2) 5 Measurement characteristics (2) 5.1 Antenna factor AF (2) 5.2 Antenna half power beam width HPBW (2) 5.3 Antenna port voltage standing wave ratio VSWR (2) 6 Calibration conditions (2) 6.1 Environmental conditions (2) 6.2 Calibration equipment (2) 7 Calibration items and calibration methods (3) 7.1 Calibration items (3) 7.2 Calibration method (4) 8 Calibration result expression (12) 9 Re-calibration interval (12) Appendix A Original Record Format (13) Appendix B Internal page format of calibration certificate (16) Appendix C Examples of Evaluation of Calibration Uncertainty for Major Items (18) Appendix D Electromagnetic compatibility horn antenna 1m antenna coefficient calibration principle (40)

Introduction

This specification is based on JJF 1071-2010 "Rules for the Compilation of National Metrology and Calibration Specifications" and JJF 1059.1-2012 "Evaluation and Expression of Measurement Uncertainty" was compiled. This specification refers to CISPR16-1-6.2014 "Radio Disturbance and Immunity Measuring Instruments and Methods of Measurement No. Part 1-6.Radiated disturbance and immunity measuring instrument electromagnetic compatibility antenna calibration", ANSIC63.5-2006 "Electromagnetic Compatibility American National Standard Electromagnetic Disturbance Radiation Emission (EMI) Measurement Control (9kHz~40GHz) Frequency Band Antenna Calibration" and SAEARP958-2003 "Electromagnetic Disturbance Measurement Antenna Standard Calibration Method" Section preparation. This specification is released for the first time. (0.2~40)GHz electromagnetic compatible speaker Antenna calibration specification

1 Scope

This specification applies to compliance with CISPR16-1-6.2014, ANSIC63.5-2006 and SAEARP958D- The calibration of the horn antenna for electromagnetic compatibility testing required by.2003, the frequency range is 0.2GHz~40GHz, and the others are The loudspeaker antenna can be implemented with reference to this specification.

2 Reference documents

The following documents are cited in this specification. JJF -2008 Radio measurement terms and definitions GB/T 4365-2003 Electromagnetic compatibility terms (idtIEC 50 (161). 90) ANSIC63.5-2006 Electromagnetic Compatibility American National Standard Electromagnetic Disturbance Radiated Emission (EMI) Measurement Control (9kHz~40GHz) frequency band antenna calibration (AmericanNationalStandardforElectromag- neticCompatibility-RadiatedEmissionMeasurementsinElectromagneticInterference (EMI)Control-CalibrationofAntennas(9kHzto40GHz)] SAEARP958-2003 Electromagnetic disturbance measurement antenna standard calibration method (ElectromagneticInterfer- enceMeasurementAntennasStandardCalibrationMethod) CISPR16-1-5.2014 Radio disturbance and immunity measuring equipment calibration method Part 1-5.used Antenna calibration site and reference site (Specifi- cationforradiodisturvanceandimmunity measuringapparatus methods-Part 1-5. Radiodisturbanceandimmunitymeasuringapparatus-Antennacalibrationsitesandref- erencetestsitesfor5MHzto18GHz) CISPR16-1-6.2014 Radio disturbance and immunity measuring instruments and measuring methods Part 1-6.Radiation Radio disturbance and immunity measuring instrument electromagnetic compatibility antenna calibration (Specificationforradiodisturbance andimmunitymeasuringapparatusandmethods-Part 1-6.Radiodisturbanceandim- munitymeasuringapparatus-EMCantennacalibration) For dated reference documents, only the dated version applies to this specification; for all undated references The latest version (including all amendments) is applicable to this specification.

3 Terms and units of measurement

3.1 Free space antenna factor freespaceantennafactor AFa In a free space environment, incident from the direction of the mechanical boresight corresponding to the antenna (that is, the main axis of the antenna) The electric field strength of the plane wave to the antenna position, and the voltage generated on a specified load connected to the antenna port