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BS EN 55032:2015+A11:2020 Electromagnetic compatibility of multimedia equipment. Emission Requirements, 2020
- undefined
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviations [Go to Page]
- 3.1 Terms and definitions
- Figures [Go to Page]
- Figure 1 – Examples of ports
- 3.2 Abbreviations
- 4 Classification of equipment
- 5 Requirements
- 6 Measurements [Go to Page]
- 6.1 General
- 6.2 Host systems and modular EUT
- 6.3 Measurement procedure
- Figure 2 – Example of a host system with different types of modules
- 7 Equipment documentation
- 8 Applicability
- 9 Test report
- Tables [Go to Page]
- Table 1 – Required highest frequency for radiated measurement
- 10 Compliance with this publication
- 11 Measurement uncertainty
- Annexes [Go to Page]
- Annex A (normative) Requirements [Go to Page]
- A.1 General
- Figure A.1 – Graphical representation of the limits for the AC mainspower port defined in Table A.10 [Go to Page]
- A.2 Requirements for radiated emissions
- Table A.1 – Radiated emissions, basic standards and the limitation of the use of particular methods
- Table A.2 – Requirements for radiated emissions at frequencies up to 1 GHz for class A equipment
- Table A.3 – Requirements for radiated emissions at frequencies above 1 GHz for class A equipment
- Table A.4 – Requirements for radiated emissions at frequencies up to 1 GHz for class B equipment
- Table A.5 – Requirements for radiated emissions at frequencies above 1 GHz for class B equipment
- Table A.6 – Requirements for radiated emissions from FM receivers [Go to Page]
- A.3 Requirements for conducted emissions
- Table A.7 – Requirements for outdoor units of home satellite receiving systems
- Table A.8 – Conducted emissions, basic standards and the limitation of the use of particular methods
- Table A.9 – Requirements for conducted emissions from the AC mains power ports of Class A equipment
- Table A.10 – Requirements for conducted emissions from the AC mains power ports of Class B equipment
- Table A.11 – Requirements for asymmetric mode conducted emissions from Class A equipment
- Table A.12 – Requirements for asymmetric mode conducted emissions from Class B equipment
- Table A.13 – Requirements for conducted differential voltage emissions from Class B equipment
- Annex B (normative) Exercising the EUT during measurement and test signal specifications [Go to Page]
- B.1 General
- B.2 Exercising of EUT ports [Go to Page]
- B.2.1 Audio signals
- B.2.2 Video signals
- B.2.3 Digital broadcast signals
- B.2.4 Other signals
- Table B.1 – Methods of exercising displays and video ports
- Table B.2 – Display and video parameters
- Table B.3 – Methods used to exercise ports
- Table B.4 – Examples of digital broadcast signal specifications
- Annex C (normative) Measurement procedures, instrumentation and supporting information [Go to Page]
- C.1 General
- C.2 Instrumentation and supporting information [Go to Page]
- C.2.1 General
- C.2.2 Using CISPR 16 series as the basic standard
- Figure C.1 – Measurement distance
- Figure C.2 – Boundary of EUT, Local AE and associated cabling [Go to Page]
- [Go to Page]
- C.2.3 EUT cycle time and measurement dwell time
- C.3 General measurement procedures [Go to Page]
- C.3.1 Overview
- Figure C.3 – Decision tree for using different detectors with quasi peak and average limits
- Figure C.4 – Decision tree for using different detectors with peak and average limits
- Figure C.5 – Decision tree for using different detectors with a quasi-peak limit [Go to Page]
- [Go to Page]
- C.3.2 Prescan measurements
- C.3.3 Formal measurements
- C.3.4 Specifics for radiated emission measurements
- C.3.5 Specifics for conducted emission measurements on the AC mains power ports
- C.3.6 Specifics for conducted emission measurements on analogue/digital data ports
- C.3.7 Specifics for conducted emission measurements on broadcast receiver tuner ports
- C.3.8 Specifics for conducted emission measurements on RF modulator output ports
- C.4 MME-related measurement procedures [Go to Page]
- C.4.1 Measurement of conducted emissions at analogue/digital data ports
- Table C.1 – Analogue/digital data port emission procedure selection
- Table C.2 – LCL values [Go to Page]
- [Go to Page]
- C.4.2 Measurement of emission voltages at a TV/FM broadcast receiver tuner ports in the frequency range 30 MHz to 2,15 GHz
- Figure C.6 – Calibration fixture
- Figure C.7 – Arrangement for measuring impedance in accordance with C.4.1.7 [Go to Page]
- [Go to Page]
- C.4.3 Measurement of the wanted signal and emission voltage at RF modulator output ports, in the frequency range 30 MHz to 2,15 GHz
- Figure C.8 – Circuit arrangement for measurement of emission voltages at TV/FM broadcast receiver tuner ports [Go to Page]
- [Go to Page]
- C.4.4 Additional Normalized Site Attenuation (NSA) values
- Figure C.9 – Circuit arrangement for the measurement of the wanted signal and emission voltage at the RF modulator output port of an EUT
- Table C.3 – 5 m OATS/SAC NSA values
- Annex D (normative) Arrangement of EUT, local AE and associated cabling [Go to Page]
- D.1 Overview [Go to Page]
- D.1.1 General
- Table D.1 – Measurement arrangements of EUT
- Table D.2 – Arrangement spacing, distances and tolerances [Go to Page]
- [Go to Page]
- D.1.2 Table-top arrangement
- D.1.3 Floor standing arrangement
- D.1.4 Combinations of table-top and floor standing EUT arrangement
- D.1.5 Arrangements for radiated measurement in a FAR
- D.2 MME-related conditions for conducted emission measurement [Go to Page]
- D.2.1 General
- D.2.2 Specific conditions for table-top equipment
- D.2.3 Specific requirements for floor standing equipment
- D.2.4 Specific requirements for combined table-top and floor standing equipment
- D.3 MME-related requirements for radiated measurement [Go to Page]
- D.3.1 General
- D.3.2 Requirements for table-top equipment
- Figure D.1 – Example measurement arrangement for table-top EUT (conducted and radiated emission) (top view)
- Figure D.2 – Example measurement arrangement for table-top EUT (conducted emission measurement – alternative 1)
- Figure D.3 – Example measurement arrangement for table-top EUT (conducted emission measurement – alternative 2)
- Figure D.4 – Example measurement arrangement for table-top EUT measuringin accordance with C.4.1.6.4
- Figure D.5 – Example measurement arrangement for table-top EUT (conducted emission measurement – alternative 2, showing AAN position)
- Figure D.6 – Example measurement arrangement for floor standing EUT (conducted emission measurement)
- Figure D.7 – Example measurement arrangement for combinations of EUT (conducted emission measurement)
- Figure D.8 – Example measurement arrangement for table-top EUT (radiated emission measurement)
- Figure D.9 – Example measurement arrangement for floor standing EUT (radiated emission measurement)
- Figure D.10 – Example measurement arrangement for combinations of EUT (radiated emission measurement)
- Figure D.11 – Example measurement arrangement for tabletop EUT (radiated emission measurement within a FAR)
- Figure D.12 – Example cable configuration and EUT height (radiated emission measurement within a FAR)
- Annex E (informative) Prescan measurements
- Annex F (informative) Test report contents summary
- Table F.1 – Summary of information to include in a test report
- Annex G (informative) Support information for the measurement procedures defined in C.4.1.1 [Go to Page]
- G.1 Schematic diagrams of examples of asymmetric artificial networks
- Figure G.1 – Example AAN for use with unscreened single balanced pairs
- Figure G.2 – Example AAN with high LCL for use with either one or two unscreened balanced pairs
- Figure G.3 – Example AAN with high LCL for use with one, two, three, or four unscreened balanced pairs
- Figure G.4 – Example AAN, including a 50 Ω source matching network at the voltage
measuring port, for use with two unscreened balanced pairs
- Figure G.5 – Example AAN for use with two unscreened balanced pairs
- Figure G.6 – Example AAN, including a 50 Ω source matching network
at the voltage measuring port, for use with four unscreened balanced pairs
- Figure G.7 – Example AAN for use with four unscreened balanced pairs
- Figure G.8 – Example AAN for use with coaxial cables, employing an internal common mode choke created by bifilar winding an insulated centre-conductor wire and an insulated screen-conductor wire on a common magnetic core (for example, a ferrite toroid)
- Figure G.9 – Example AAN for use with coaxial cables, employing an internal common mode choke created by miniature coaxial cable (miniature semi-rigid solid copper screen or miniature double-braided screen coaxial cable) wound on ferrite toroids
- Figure G.10 – Example AAN for use with multi-conductor screened cables, employing an internal common mode choke created by multifilar winding multiple insulated signal wires and an insulated screen-conductor wire on a common magnetic core (for example, a ferrite toroid) [Go to Page]
- G.2 Rationale for emission measurements and procedures for wired network ports [Go to Page]
- G.2.1 Limits
- Figure G.11 – Example AAN for use with multi-conductor screened cables, employing an internal common mode choke created by winding a multi-conductor screened cable on ferrite toroids [Go to Page]
- [Go to Page]
- G.2.2 Combination of current probe and CVP
- Table G.1 – Summary of advantages and disadvantagesof the procedures described in C.4.1.6 [Go to Page]
- [Go to Page]
- G.2.3 Basic ideas of the CVP
- G.2.4 Combination of current and voltage limit
- Figure G.12 – Basic circuit for considering the limitswith defined common mode impedance of 150 Ω
- Figure G.13 – Basic circuit for the measurement with unknown common mode impedance [Go to Page]
- [Go to Page]
- G.2.5 Ferrite requirements for use in C.4.1.1
- Figure G.14 – Impedance layout of the components in the method described in C.4.1.6.3
- Figure G.15 – Basic measurement setup to measure combined impedanceof the 150 Ω and ferrites
- Annex H (normative) Supporting information for the measurement of outdoor unit of home satellite receiving systems [Go to Page]
- H.1 Rationale
- H.2 General
- Table H.1 – Derivation of the limit within ± 7° of the main beam axis [Go to Page]
- H.3 Operation conditions
- H.4 Specific requirements for LO measurement
- H.5 EUT arrangements
- Figure H.1 – Description of ±7° of the main beam axis of the EUT
- Figure H.2 – Example measurement arrangements of transmit antenna for the wanted signal
- Annex I (informative) Other test methods and associated limits for radiated emissions [Go to Page]
- I.1 General
- I.2 Procedures for radiated emission measurements using a GTEM or RVC
- Table I.1 – Radiated emissions, basic standards and the limitation of the use of GTEM and RVC methods
- Table I.2 – Proposed limits for radiated emissions at frequencies up to 1 GHz for Class A equipment, for GTEM
- Table I.3 – Proposed limits for radiated emission for frequencies above 1 GHz for Class A equipment, for GTEM
- Table I.4 – Proposed limits for radiated emission for frequencies above 1 GHz for Class A equipment, for RVC [Go to Page]
- I.3 Additional measurement procedure information [Go to Page]
- I.3.1 General
- I.3.2 Specific considerations for radiated emission measurements using a GTEM
- I.3.3 Specific considerations for radiated emission measurements using an RVC
- Table I.5 – Proposed limits for radiated emissions at frequencies up to 1 GHz for Class B equipment, for GTEM
- Table I.6 – Proposed limits for radiated emission for frequencies above 1 GHz for Class B equipment, for GTEM
- Table I.7 – Proposed limits for radiated emission for frequencies above 1 GHz for Class B equipment, for RVC [Go to Page]
- I.4 Use of a GTEM for radiated emission measurements [Go to Page]
- I.4.1 General
- I.4.2 EUT layout
- Figure I.1 – Typical GTEM side sectional view showing some basic parts [Go to Page]
- [Go to Page]
- I.4.3 GTEM, measurements above 1 GHz
- Figure I.2 – Typical GTEM plan sectional view showing floor layout
- Figure I.3 – Typical EUT mounting for combination of modules being measured [Go to Page]
- [Go to Page]
- I.4.4 Uncertainties
- I.5 Specific EUT arrangement requirements for radiated emission measurements above 1 GHz using an RVC
- I.6 Reference documents
- Figure I.4 – Overview of the reverberation chamber for radiated emission measurement
- Bibliography [Go to Page]