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BSI 22/30397820 DC 2022

BSI 22/30397820 DC 2022

$13.70

BS ISO 19642-11. Road vehicles. Automotive cables – Part 11. Dimensions and requirements for coaxial RF cables with a specified analog bandwidth up to 6 GHz (20 GHZ)

Published By Publication Date Number of Pages
BSI 2022 47
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PDF Catalog

PDF Pages PDF Title
8 Foreword
9 Introduction
11 1 Scope
2 Normative References
3 Terms and definitions
12 4 Specifications
4.1 General test conditions
4.2 Voltage rating
4.3 Temperature classes
4.4 Cable construction
4.5 Safety concerns
4.5.1 Core
13 4.5.2 Dielectric core
4.5.3 Screen
4.5.4 Sheath
4.6 Cable designation
4.7 Testing of representative cable constructions
14 4.8 Reference and requirements for the tests according ISO 19642-2
4.9 General remark on requirements
5 Requirements for the conductor and dielectric
5.1 General
5.2 Dimensional tests
5.2.1 Dielectric core outside diameter
5.2.2 Insulation thickness
5.2.3 Conductor diameter
5.2.4 Cross sectional area
5.2.5 In-process dielectric outside diameter
15 5.3 Electrical tests
5.3.1 Conductor resistance
5.3.2 Determination of temperature coefficients
5.3.3 Withstand Voltage
5.3.4 Withstand voltage after environmental testing
5.3.5 Insulation faults
5.3.6 Insulation volume resistivity
5.4 Mechanical tests
5.4.1 Strip force (A) of dielectric
5.4.2 Abrasion test
5.4.3 Breaking force of the finished cable
16 5.4.4 Cyclic bending test
5.4.5 Flexibility test
5.5 Environmental tests
5.5.1 Test specimen preparation and winding tests
5.5.2 Long term heat ageing, 3€000€h, at temperature class rating
5.5.3 Short term heat ageing, 240€h at temperature class rating +25€°C
5.5.4 Thermal overload, 6€h at temperature class rating + 50€°C
5.5.5 Pressure test at high temperature
5.5.6 Shrinkage by heat
5.5.7 Low temperature winding
5.5.8 Cold impact
5.5.9 Temperature and humidity cycling
5.5.10 Resistance to hot water
5.5.11 Resistance to liquid chemicals
5.5.12 Durability of cable marking
17 5.5.13 Stress cracking resistance
5.5.14 Resistance to ozone
5.5.15 Resistance to flame propagation
6 Requirements for the screened and sheathed coaxial RF cable
6.1 General
6.2 Dimensional tests
6.2.1 Cable outside and inner layer diameters
6.2.2 Ovality of sheath
6.2.3 Thickness of sheath
18 6.2.4 In-process cable outside diameter
6.2.5 Lay length
6.3 Electrical tests
6.3.1 Electrical continuity
6.3.2 Withstand voltage at final inspection
6.3.3 Screening effectiveness
19 6.3.4 Sheath fault on screened cables
6.3.5 General information on electrical test setups of unscreened cables
6.3.6 General information on low frequency electrical tests
20 6.3.7 Resistance unbalance
6.3.8 Capacitance
6.3.9 Inductance
6.3.10 General information on high (RF) frequency electrical tests
6.3.11 Velocity of Propagation
6.3.12 Characteristic impedance in frequency domain (CIF)
21 6.3.13 Characteristic impedance in time domain (CIT)
6.3.14 Insertion loss, IL
22 6.3.15 Return loss, RL
6.3.16 Unbalance attenuations
6.3.17 Near end crosstalk, NEXT
6.3.18 Far end crosstalk, FEXT
6.3.19 PS alien near end crosstalk, PS ANEXT – exogenous crosstalk
6.3.20 PS attenuation to alien crosstalk ratio, far end crosstalk, PS AACR-F – exogenous crosstalk
6.4 Mechanical tests
6.4.1 Strip force (C) of sheath
6.4.2 Cyclic bending
6.4.3 Flexibility
6.4.4 Cyclic bending test for RF cables
23 6.4.5 Dynamic bending tests for RF cables
6.4.6 Test for assessment of minimum bending radius
24 6.4.7 Strip force (B) of screen
6.4.8 Abrasion test on sheath
6.5 Environmental tests
6.5.1 Test specimen preparation and winding tests
6.5.2 Long term heat ageing, 3€000€h at Temperature class rating
25 6.5.3 Short term heat ageing, 240€h at Temperature class rating + 25€°C
6.5.4 Thermal overload, 6€h at Temperature class rating + 50€°C
6.5.5 Pressure test at high temperature
6.5.6 Shrinkage of sheath by heat
6.5.7 Low temperature winding
6.5.8 Cold impact
6.5.9 Temperature and humidity cycling
26 6.5.10 Resistance to liquid chemicals
6.5.11 Durability of sheath marking
6.5.12 Resistance to ozone
6.5.13 Artificial weathering
6.5.14 Resistance to flame propagation
7 Test overview tables
30 8 Preferred cable types
8.1 Parameter Tables
34 8.2 Insertion loss IL (tables and diagrams), bending test sequences
35 8.2.1 CX174a
36 8.2.2 CX174b
8.2.3 CX174c
37 8.2.4 CX174d
38 8.2.5 CX174e
39 8.2.6 CX58a
8.2.7 CX58b
40 8.2.8 CX58c
8.2.9 CX31a
41 8.2.10 CX44a, CX44b
42 8.2.11 CX44c
8.2.12 CX501a
43 8.2.13 CX501b
8.2.14 CX501c
44 8.2.15 CX502a
8.2.16 CX502b
45 8.2.17 CX502c
8.2.18 CX502d
46 8.2.19 CX751a
8.2.20 CX751b
47 8.2.21 CX751c

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