Micro Coaxial Cable factory-(FRS)

How Micro Coaxial Cables Empower Signal Transmission in Autonomous Vehicle Sensors - Micro Coaxial Cable factory-(FRS)

Micro Coaxial Cable-Micro Coaxial Cable factory-(FRS)-FRS

 

INFO

  1. Addressing the Signal Integrity Challenges in AVs
    ‌High-Frequency Demands‌
    ‌Sensor Type‌:
    ‌LiDAR‌: Operates at 905 nm or 1550 nm wavelengths, requiring cables handling 10–100 Gbps.
    ‌79 GHz Radar‌: Demands cables stable up to 110 GHz for precise object detection.
    ‌Issue‌: Traditional cables suffer from skin effect losses (>3 dB/m at 77 GHz) and phase instability (±5°/m).
    ‌Micro-Coax Solution‌: Silver-plated conductors and air-enhanced PTFE dielectrics reduce attenuation to ‌0.8 dB/m at 100 GHz‌.
    ‌Harsh Environmental Conditions‌
    ‌Temperature Swings‌: -40°C to +125°C in engine compartments.
    ‌Vibration‌: Up to 20G acceleration in off-road scenarios.
    ‌Micro-Coax Solution‌: Stainless steel braided shields and fluoropolymer jackets maintain >90% shielding effectiveness (SE) under vibration.
  2. Key Applications in Autonomous Driving Systems
    ‌A. 79 GHz Radar Modules‌
    ‌Requirement‌: Transmit 4D point cloud data (range, azimuth, elevation, Doppler) with <0.1° phase error.
    ‌Cable Specs‌:
    Impedance: 50 Ω ±1 Ω
    Bend Radius: 1.5 mm (static), 3 mm (dynamic)
    Example: Rosenberger’s ‌0.47-mm micro-coax‌ used in Tesla’s HW4 radar array.
    ‌B. Multi-Gigabit Camera Links‌
    ‌8K Cameras‌: Generate 12 Gbps data streams for AI vision processing.
    ‌Solution‌: Micro-coax with dual-layer shielding prevents EMI from EV motors, achieving 10^–12 BER (Bit Error Rate).
    ‌C. In-Cabin Sensing Networks‌
    ‌Driver Monitoring Systems (DMS)‌: Transmit mmWave vital signs (heartbeat/respiration) via ‌60 GHz micro-coax‌ with 98% SE.
  3. Performance Comparison: Micro-Coax vs. Alternatives
    Parameter Micro Coaxial Cable PCB Traces Optical Fiber
    Bandwidth DC – 110 GHz < 40 GHz >1 THz
    Attenuation @ 77 GHz 1.2 dB/m 3.5 dB/cm 0.2 dB/km
    Bend Radius (Min) 1 mm N/A 5 mm
    EMI Resistance 90 dB SE 30 dB (guarded) Immune
    Cost per Meter
    15

    15–50 $0.1 (PCB area)
    100

    100–300
    Micro-coax balances high-frequency performance, compactness, and cost for AV sensor networks.
  4. Innovations Driving Future Adoption
    ‌A. Shape-Adaptive Designs‌
    ‌Example‌: Huber+Suhner’s ‌Radox® Cable‌ uses corrugated Cu-Sn outer conductors, allowing 500,000 flex cycles at 2 mm radius—ideal for steer-by-wire systems.
    ‌B. Cryogenic-Grade Cables‌
    ‌Application‌: Cooling LiDAR processors to -55°C improves SNR; cables with modified PTFE withstand thermal cycling.
    ‌C. Integrated Connectorization‌
    ‌IP69K-Rated Micro-Coax‌: Overmolded IP69K connectors (e.g., TE Connectivity’s ‌MATE-AX®‌) eliminate junction failures in washable robotaxis.
  5. Implementation Guidelines for AV Engineers
    ‌Prioritize Phase Stability‌: Choose cables with ±0.05°/m variation for radar coherence.
    ‌Simulate Mechanical Stress‌: Use FEA tools to model cable bending in door harnesses.
    ‌Leverage Hybrid Architectures‌: Combine micro-coax (short links) and fiber optics (long runs) for cost optimization.

FAQ

NEWS

More Products

Our factory offers high-quality products at competitive prices

High-Temperature Resistant Micro-Coaxial Cable

High-Temperature Resistant Micro-Coaxial Cable

IntroductionThe ​High-Temperature Resistant Micro-Coaxial Cable is a cutting-edge connectivity solution engineered to deliver exceptional performance in extreme thermal environments. Combining precision engineering with advanced mate.

Micro Coaxial Cable

Micro Coaxial Cable

Micro Coaxial Cable: High-Quality Solutions for Precision Applications Micro coaxial cables are essential components in high-performance electronic applications, providing reliable signal transmission in compact and flexible designs. A.

Contact Us

Feel free to reach out to us for any inquiries or orders.

Call Us

Have a question? Give us a call!

+861881875005

Email Us

Send us an email and we'll get back to you soon.

sales@custom-cable-assemblies.com
       
Home Products Contact