BS IEC 62153-4-9:2018+A1:2020
$167.15
Metallic communication cable test methods – Electromagnetic compatibility (EMC). Coupling attenuation of screened balanced cables, triaxial method
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 38 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 11 | 4.1 General Figure 1 – Coupling attenuation, principle test set-up with balun and standard tube |
| 12 | 4.2 Procedure A: measuring with standard tube (standard head) Figure 2 – Coupling attenuation, principle test set-up with balun and open head |
| 13 | 4.3 Procedure B: measuring with open head Figure 3 – Coupling attenuation, principle set-up with multiport VNA and standard head Figure 4 – Coupling attenuation, principle set-up with multiport VNA and open head |
| 14 | 5.1 General 5.2 Transfer impedance 5.3 Screening attenuation Figure 5 – Definition of transfer impedance |
| 15 | 5.4 Unbalance attenuation 5.5 Coupling attenuation |
| 16 | 6.1 General 6.2 Equipment 6.3 Balun requirements |
| 17 | 6.4 TP-connecting unit requirements 6.5 Sample preparation Table 1 – Balun performance characteristics (1 MHz to 1 GHz) Table 2 – TP-connecting unit performance characteristics(1 MHz to 2 GHz) |
| 18 | 6.6 Procedure 6.7 Test length Figure 6 – Termination of the cable under test with balun feeding |
| 19 | 6.8 Measurement precautions 7.1 Procedure A: measuring with a standard head 7.2 Procedure B: measuring with an open head |
| 20 | Figure 7 – Test set-up to measure atube |
| 21 | Figure 8 – Coupling attenuation Twinax 105, open head procedure Figure 9 – Coupling attenuation Cat 7a, standard head procedure |
| 22 | Figure 10 – Coupling attenuation Cat 8.2, open head procedure |
| 23 | Figure A.1 – Insertion loss of absorber with triaxial set-up Figure A.2 – Insertion loss of absorber with triaxial set-up |
| 25 | B.1 Unbalance attenuation au |
| 26 | B.2 Screening attenuation as B.3 Coupling attenuation ac |
| 28 | C.1 Definition of mixed mode S-Parameters Figure C.1 – Common two-port network Figure C.2 – Common four port network |
| 29 | Figure C.3 – Physical and logical ports of VNA Figure C.4 – Nomenclature of mixed mode S-Parameters |
| 30 | C.2 Reference impedance of VNA Figure C.5 – Measurement configuration, single ended response Figure C.6 – Measurement configuration, differential mode response |
| 31 | D.1 General D.2 Background D.3 Triaxial set-up for unscreened balanced pairs Figure D.1 – Basic triaxial tube procedure according to IEC 62153-4-3 / IEC 62153-4-4 |
| 32 | D.4 Unscreened single pairs Figure D.2 – Screening effectiveness of unscreened balanced pairs, principle set-up |
| 33 | D.5 Screening- and coupling attenuation measurement of multiple unscreened balanced pairs Figure D.3 – Configuration for near end coupling measurement of an unscreened single pair, principle set-up Figure D.4 – Far end screening attenuation and coupling attenuation (Ssc21 and Ssd21) of an unscreened balanced pair, principle set-up |
| 34 | D.6 Measurement D.7 Expression of test results D.8 Low frequency coupling attenuation Figure D.5 – Basic configuration of screening attenuation and coupling attenuation test of multiple unscreened balanced pairs |
| 35 | D.9 Set-up verification and measurement uncertainties Figure D.6 – Low frequency coupling attenuation aC,lf of a single screened and unscreened balanced pair, 3 m |
| 36 | Figure D.7 – Reflected mode conversion parameter Scd11 with a TP-connecting unit having an open loop |
