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22/30397820 DC 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), 2022
- ISO_DIS 19642-11 ed.1 - id.78090 Enquiry PDF (en).pdf [Go to Page]
- Foreword
- Introduction
- 1 Scope
- 2 Normative References
- 3 Terms and definitions
- 4 Specifications [Go to Page]
- 4.1 General test conditions
- 4.2 Voltage rating
- 4.3 Temperature classes
- 4.4 Cable construction
- 4.5 Safety concerns [Go to Page]
- 4.5.1 Core
- 4.5.2 Dielectric core
- 4.5.3 Screen
- 4.5.4 Sheath
- 4.6 Cable designation
- 4.7 Testing of representative cable constructions
- 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 [Go to Page]
- 5.1 General
- 5.2 Dimensional tests [Go to Page]
- 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
- 5.3 Electrical tests [Go to Page]
- 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 [Go to Page]
- 5.4.1 Strip force (A) of dielectric
- 5.4.2 Abrasion test
- 5.4.3 Breaking force of the finished cable
- 5.4.4 Cyclic bending test
- 5.4.5 Flexibility test
- 5.5 Environmental tests [Go to Page]
- 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
- 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 [Go to Page]
- 6.1 General
- 6.2 Dimensional tests [Go to Page]
- 6.2.1 Cable outside and inner layer diameters
- 6.2.2 Ovality of sheath
- 6.2.3 Thickness of sheath
- 6.2.4 In-process cable outside diameter
- 6.2.5 Lay length
- 6.3 Electrical tests [Go to Page]
- 6.3.1 Electrical continuity
- 6.3.2 Withstand voltage at final inspection
- 6.3.3 Screening effectiveness
- 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
- 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)
- 6.3.13 Characteristic impedance in time domain (CIT)
- 6.3.14 Insertion loss, IL
- 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 [Go to Page]
- 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
- 6.4.5 Dynamic bending tests for RF cables
- 6.4.6 Test for assessment of minimum bending radius
- 6.4.7 Strip force (B) of screen
- 6.4.8 Abrasion test on sheath
- 6.5 Environmental tests [Go to Page]
- 6.5.1 Test specimen preparation and winding tests
- 6.5.2 Long term heat ageing, 3€000€h at Temperature class rating
- 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
- 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
- 8 Preferred cable types [Go to Page]
- 8.1 Parameter Tables
- 8.2 Insertion loss IL (tables and diagrams), bending test sequences [Go to Page]
- 8.2.1 CX174a
- 8.2.2 CX174b
- 8.2.3 CX174c
- 8.2.4 CX174d
- 8.2.5 CX174e
- 8.2.6 CX58a
- 8.2.7 CX58b
- 8.2.8 CX58c
- 8.2.9 CX31a
- 8.2.10 CX44a, CX44b
- 8.2.11 CX44c
- 8.2.12 CX501a
- 8.2.13 CX501b
- 8.2.14 CX501c
- 8.2.15 CX502a
- 8.2.16 CX502b
- 8.2.17 CX502c
- 8.2.18 CX502d
- 8.2.19 CX751a
- 8.2.20 CX751b
- 8.2.21 CX751c [Go to Page]
