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PD ISO/TS 22239-2:2018 Road vehicles. Child seat presence and orientation detection system (CPOD) - Resonator specification, 2018
- National foreword
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 CPOD resonator components
- 5 Coil requirements
- 6 Electrical properties [Go to Page]
- 6.1 Digital resonator protocol
- 6.2 Subcarrier bitstream
- 6.3 Modulation [Go to Page]
- 6.3.1 General
- 6.3.2 Useful resonator signal, ФRESO,NORM(t)
- 6.3.3 Lowpass filtering
- 6.3.4 Spectral contents of ФRESO,NORM(t)
- 6.3.5 The useful signal, Θ (fTX,HTX)
- 6.3.6 The useful signal power, PΘ (fTX,HTX)
- 6.3.7 Noise power, PNOISE(fTX,HTX)
- 6.3.8 The signal-to-noise ratio (SNR)
- 6.3.9 Definition of W(HTX)
- 6.3.10 Definition of N(HTX)
- 6.4 Modulation parameters
- 7 Resonator timing [Go to Page]
- 7.1 General
- 7.2 Power-up
- 7.3 Reset
- 7.4 Relevant timing and reset parameters
- 8 Electrical and environmental parameters [Go to Page]
- 8.1 Absolute maximum ratings
- 8.2 Operating ranges
- 8.3 Storage conditions
- 9 CPOD resonator compatibility test
- 10 Resonator environmental qualification [Go to Page]
- 10.1 Application profile
- 10.2 Common test parameters
- 10.3 Operating states [Go to Page]
- 10.3.1 General
- 10.3.2 Operating state A (transport and storage)
- 10.3.3 Operating state B (non-functional state)
- 10.3.4 Operating state C (functional state)
- 10.3.5 Operating state D (intermitting functional state)
- 10.4 Parametrical test and parameter checking [Go to Page]
- 10.4.1 Parametrical test before/after every single test
- 10.4.2 Continuous parameter check
- 10.5 Qualification tests [Go to Page]
- 10.5.1 General
- 10.5.2 Acceptance criteria
- 10.5.3 Temperature storage (transport and storage)
- 10.5.4 Low temperature durability test
- 10.5.5 High temperature operating endurance test
- 10.5.6 Power thermal cycle endurance (PTCE)
- 10.5.7 Thermal shock test
- 10.5.8 Temperature cycling test, constant humidity
- 10.5.9 High temperature and humidity endurance (HTHE)
- 10.5.10 Vibration test
- 10.5.11 Mechanical shock test
- 10.5.12 Fall test, not packed
- 10.5.13 Protection against intrusion of hard bodies
- 10.5.14 Protection against intrusion of fluids
- 10.5.15 Corrosion test with gutting corrosion gas
- 10.5.16 Salt spray test
- 10.5.17 Resistance to chemical substances
- 10.6 Electromagnetic compatibility (EMC) test [Go to Page]
- 10.6.1 General
- 10.6.2 Functional status qualification
- 10.6.3 Acceptance criteria
- 10.6.4 Community
- 10.7 Electrostatic discharge (ESD) test [Go to Page]
- 10.7.1 Test parameters
- 10.7.2 Discharge locations
- 10.7.3 Powered-up test
- 10.7.4 Packaging and handling test (unpowered test)
- 10.8 Magnetic field stress test [Go to Page]
- 10.8.1 Test parameters
- 10.8.2 Test procedure
- 10.8.3 Acceptance criteria
- 10.9 Qualification flow chart
- Annex A (normative) CPOD resonator compatibility test set-up
- Annex B (normative) CPOD resonator compatibility test parameters
- Annex C (normative) Continuous parameter check
- Annex D (normative) CPOD reference resonator [Go to Page]