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eLibrary >
IEC 62153-4-15 Ed. 2.1 en:2024 Metallic cables and other passive components test methods - Part 4-15: Electromagnetic compatibility (EMC) related test method for measuring transfer impedance and screening attenuation or coupling attenuation with triaxial >
IEC 62153-4-15 Ed. 2.1 en:2024 Metallic cables and other passive components test methods - Part 4-15: Electromagnetic compatibility (EMC) related test method for measuring transfer impedance and screening attenuation or coupling attenuation with triaxial , 2024
- Redline version [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Physical background
- 5 Principle of the test methods [Go to Page]
- 5.1 General
- 5.2 Transfer impedance
- 5.3 Screening attenuation
- 5.4 Coupling attenuation
- 5.5 Tube-in-tube method
- 6 Test procedures [Go to Page]
- 6.1 General
- 6.2 Triaxial cell
- 6.3 Cut-off frequencies, higher-order modes
- 6.4 Test equipment
- 6.5 Calibration procedure
- 6.6 Test leads and connecting cables to the DUT
- 7 Sample preparation [Go to Page]
- 7.1 Coaxial connector or assembly or quasi-coaxial component
- 7.2 Balanced or multipin connectors or components
- 7.3 Cable assemblies
- 7.4 Other screened devices
- 8 Transfer impedance (short-matched) [Go to Page]
- 8.1 General
- 8.2 Principle block diagram of transfer impedance
- 8.3 Measuring procedure
- 8.4 Evaluation of test results
- 8.5 Test report
- 9 Screening attenuation [Go to Page]
- 9.1 General
- 9.2 Impedance matching
- 9.3 Measuring with matched conditions [Go to Page]
- 9.3.1 Procedure
- 9.3.2 Evaluation of test results
- 9.4 Measuring with mismatch [Go to Page]
- 9.4.1 General
- 9.4.2 Evaluaton of test results
- 9.5 Test report
- 10 Coupling attenuation [Go to Page]
- 10.1 General
- 10.2 Procedure [Go to Page]
- 10.2.1 Coupling attenuation with balun
- 10.2.2 Balunless coupling attenuation
- 10.3 Expression of results
- 10.4 Test report
- Annexes [Go to Page]
- Annex A (informative) Principle of the triaxial test procedure [Go to Page]
- A.1 General
- A.2 Transfer impedance
- A.3 Screening attenuation
- A.4 Coupling attenuation
- Annex B (informative) Triaxial cell
- Annex C (normative) Triaxial absorber cell [Go to Page]
- C.1 Cut-off frequencies, higher order modes
- C.2 Absorber
- C.3 Influence of absorber
- Annex D (informative) Application of a moveable shorting plane [Go to Page]
- D.1 Coupling transfer function
- D.2 Effect of the measurement length on the measurement cut-off frequency
- D.3 Details of the movable shorting plane
- D.4 Measurement results
- Annex E (informative) Correction in the case that the receiver input impedance R is higher than the characteristic impedance of the outer circuit Z2 [Go to Page]
- E.1 Impedance Z2 lower than the input impedance of the receiver
- E.2 Correction
- Annex F (informative) Test adapter
- Annex G (informative) Attenuation versus scattering parameter S21
- Annex H (normative) Coupling attenuation expressed by mixed mode scattering parameter and an envelope line [Go to Page]
- H.1 General
- H.2 Coupling attenuation expressed by mixed mode scattering parameter
- H.3 Envelope line of coupling attenuation
- Bibliography
- Figures [Go to Page]
- Figure 1 – Definition of ZT
- Figure 2 – Principle depiction of the triaxial test setup (tube) to measure transfer impedance and screening attenuation with tube in tube in accordance with IEC 62153-4-7
- Figure 3 – Principle depiction of the triaxial cell to measure transfer impedance and screening attenuation of connectors or assemblies with tube in tube in accordance with IEC 62153-4-7
- Figure 4 – Rectangular waveguide
- Figure 5 – Preparation of balanced or multipin connectors for transfer impedance and screening attenuation
- Figure 6 – Preparation of balanced or multipin connectors for coupling attenuation measurement
- Figure 7 – Test setup (principle) for transfer impedance measurement in accordance with test method B of IEC 62153-4-3
- Figure 8 – Principle test setup for balunless coupling attenuation measurement according to IEC 62153-4-9
- Figure A.1 – Principle test setup to measure transfer impedance and screening attenuation
- Figure A.2 – Equivalent circuit of the principle of the test setup in Figure A.1
- Figure A.3 – Coupling attenuation, principle of test setup with balun and standard tube
- Figure A.4 – Coupling attenuation, principle of setup with multiport VNA and standard head
- Figure B.1 – Principle depiction of the triaxial cell to measure transfer impedance and screening attenuation on a connector with tube-in-tube according to IEC 62153-4-7
- Figure B.2 – Examples of different designs of triaxial cells
- Figure C.1 – Cavity or rectangular waveguide
- Figure C.2 – Comparison of the measurements of a RG 214 cable with 40 mm tube and triaxial cells
- Figure C.3 – Principle of the triaxial cell with tube in tube and ferrite tiles as absorber
- Figure C.4 – Comparison of the measurements of an RG 214 with 40 mm tube and triaxial cells with magnetic absorber
- Figure C.5 – Examples of magnetic flat absorber
- Figure C.6 – Setup for correction measurement
- Figure C.7 – Correction measurement
- Figure D.1 – Measured coupling transfer function of a braided screen versus frequency with the triaxial cell
- Figure D.2 – Cross-section of triaxial cell with movable shorting plane
- Figure D.3 – Crosscut of plane shortening housing and tube-in-tube
- Figure D.4 – Detail H of Figure D.3: contact between plane and housing
- Figure D.5 – Detail G of Figure D.3: contact between plane and tube-in-tube
- Figure D.6 – Compilation of transfer impedance test results with different shorting plane distances
- Figure E.1 – Example of forward transfer scattering parameter S21 for different impedances in the outer circuit where the receiver input impedance is 50 Ω
- Figure E.2 – DUT with uniform cylindrical shape in the centre of the cell
- Figure F.1 – Principle of the test setup to measure transfer impedance and screening or coupling attenuation of connectors
- Figure F.2 – Principle of the test setup to measure transfer impedance and screening attenuation on a cable assembly
- Figure G.1 – Measurement with HP8753D of S21 of a 3 dB attenuator
- Figure G.2 – Measurement with ZVRE of S21 of a 3 dB attenuator
- Figure H.1 – Example of coupling attenuation with envelope line
- Tables [Go to Page]
- Table 1 – IEC 62153-4 series, Metallic communication cable test methods – Test procedures with triaxial test setup
- Final version [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Physical background
- 5 Principle of the test methods [Go to Page]
- 5.1 General
- 5.2 Transfer impedance
- 5.3 Screening attenuation
- 5.4 Coupling attenuation
- 5.5 Tube-in-tube method
- 6 Test procedures [Go to Page]
- 6.1 General
- 6.2 Triaxial cell
- 6.3 Cut-off frequencies, higher-order modes
- 6.4 Test equipment
- 6.5 Calibration procedure
- 6.6 Test leads and connecting cables to the DUT
- 7 Sample preparation [Go to Page]
- 7.1 Coaxial connector or assembly or quasi-coaxial component
- 7.2 Balanced or multipin connectors or components
- 7.3 Cable assemblies
- 7.4 Other screened devices
- 8 Transfer impedance (short-matched) [Go to Page]
- 8.1 General
- 8.2 Principle block diagram of transfer impedance
- 8.3 Measuring procedure
- 8.4 Evaluation of test results
- 8.5 Test report
- 9 Screening attenuation [Go to Page]
- 9.1 General
- 9.2 Impedance matching
- 9.3 Measuring with matched conditions [Go to Page]
- 9.3.1 Procedure
- 9.3.2 Evaluation of test results
- 9.4 Measuring with mismatch [Go to Page]
- 9.4.1 General
- 9.4.2 Evaluaton of test results
- 9.5 Test report
- 10 Coupling attenuation [Go to Page]
- 10.1 General
- 10.2 Procedure [Go to Page]
- 10.2.1 Coupling attenuation with balun
- 10.2.2 Balunless coupling attenuation
- 10.3 Expression of results
- 10.4 Test report
- Annexes [Go to Page]
- Annex A (informative) Principle of the triaxial test procedure [Go to Page]
- A.1 General
- A.2 Transfer impedance
- A.3 Screening attenuation
- A.4 Coupling attenuation
- Annex B (informative) Triaxial cell
- Annex C (normative) Triaxial absorber cell [Go to Page]
- C.1 Cut-off frequencies, higher order modes
- C.2 Absorber
- C.3 Influence of absorber
- Annex D (informative) Application of a moveable shorting plane [Go to Page]
- D.1 Coupling transfer function
- D.2 Effect of the measurement length on the measurement cut-off frequency
- D.3 Details of the movable shorting plane
- D.4 Measurement results
- Annex E (informative) Correction in the case that the receiver input impedance R is higher than the characteristic impedance of the outer circuit Z2 [Go to Page]
- E.1 Impedance Z2 lower than the input impedance of the receiver
- E.2 Correction
- Annex F (informative) Test adapter
- Annex G (informative) Attenuation versus scattering parameter S21
- Annex H (normative) Coupling attenuation expressed by mixed mode scattering parameter and an envelope line [Go to Page]
- H.1 General
- H.2 Coupling attenuation expressed by mixed mode scattering parameter
- H.3 Envelope line of coupling attenuation
- Bibliography
- Figures [Go to Page]
- Figure 1 – Definition of ZT
- Figure 2 – Principle depiction of the triaxial test setup (tube) to measure transfer impedance and screening attenuation with tube in tube in accordance with IEC 62153-4-7
- Figure 3 – Principle depiction of the triaxial cell to measure transfer impedance and screening attenuation of connectors or assemblies with tube in tube in accordance with IEC 62153-4-7
- Figure 4 – Rectangular waveguide
- Figure 5 – Preparation of balanced or multipin connectors for transfer impedance and screening attenuation
- Figure 6 – Preparation of balanced or multipin connectors for coupling attenuation measurement
- Figure 7 – Test setup (principle) for transfer impedance measurement in accordance with test method B of IEC 62153-4-3
- Figure 8 – Principle test setup for balunless coupling attenuation measurement according to IEC 62153-4-9
- Figure A.1 – Principle test setup to measure transfer impedance and screening attenuation
- Figure A.2 – Equivalent circuit of the principle of the test setup in Figure A.1
- Figure A.3 – Coupling attenuation, principle of test setup with balun and standard tube
- Figure A.4 – Coupling attenuation, principle of setup with multiport VNA and standard head
- Figure B.1 – Principle depiction of the triaxial cell to measure transfer impedance and screening attenuation on a connector with tube-in-tube according to IEC 62153-4-7
- Figure B.2 – Examples of different designs of triaxial cells
- Figure C.1 – Cavity or rectangular waveguide
- Figure C.2 – Comparison of the measurements of a RG 214 cable with 40 mm tube and triaxial cells
- Figure C.3 – Principle of the triaxial cell with tube in tube and ferrite tiles as absorber
- Figure C.4 – Comparison of the measurements of an RG 214 with 40 mm tube and triaxial cells with magnetic absorber
- Figure C.5 – Examples of magnetic flat absorber
- Figure C.6 – Setup for correction measurement
- Figure C.7 – Correction measurement
- Figure D.1 – Measured coupling transfer function of a braided screen versus frequency with the triaxial cell
- Figure D.2 – Cross-section of triaxial cell with movable shorting plane
- Figure D.3 – Crosscut of plane shortening housing and tube-in-tube
- Figure D.4 – Detail H of Figure D.3: contact between plane and housing
- Figure D.5 – Detail G of Figure D.3: contact between plane and tube-in-tube
- Figure D.6 – Compilation of transfer impedance test results with different shorting plane distances
- Figure E.1 – Example of forward transfer scattering parameter S21 for different impedances in the outer circuit where the receiver input impedance is 50 Ω
- Figure E.2 – DUT with uniform cylindrical shape in the centre of the cell
- Figure F.1 – Principle of the test setup to measure transfer impedance and screening or coupling attenuation of connectors
- Figure F.2 – Principle of the test setup to measure transfer impedance and screening attenuation on a cable assembly
- Figure G.1 – Measurement with HP8753D of S21 of a 3 dB attenuator
- Figure G.2 – Measurement with ZVRE of S21 of a 3 dB attenuator
- Figure H.1 – Example of coupling attenuation with envelope line
- Tables [Go to Page]
- Table 1 – IEC 62153-4 series, Metallic communication cable test methods – Test procedures with triaxial test setup [Go to Page]
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