This advanced 2-layer rigid PCB utilizes Rogers RO3003G2 high-frequency laminate, specifically engineered for millimeter-wave automotive radar systems. This solution delivers exceptional performance for 77GHz ADAS applications, offering superior signal integrity and reliability in demanding automotive environments.

PCB Construction Details

The stack-up of this PCB consists of:

- Copper Layer 1: 35 μm (1oz)

- RO3003G2 Core: 0.127 mm (5 mil)

- Copper Layer 2: 35 μm (1oz)

PCB Specifications

RO3003G2 Material Advantages

Dielectric Properties

RO3003G2 laminate exhibits an ultra-stable dielectric constant of 3.0±0.04 at 10GHz and 3.07 at 77GHz, ensuring consistent performance across automotive radar frequencies.

Low Loss Characteristics

With a dissipation factor of just 0.0011 at 10GHz, RO3003G2 minimizes signal loss, critical for maintaining radar sensitivity and accuracy.

Thermal Stability

- Excellent thermal coefficient of dielectric constant: -35 ppm/°C

- Matched CTE system (16/17/18 ppm/°C in X/Y/Z axes)

- Maintains performance across automotive temperature ranges

Enhanced Features

- Very Low Profile (VLP) ED copper

- Reduced dielectric porosity

- Optimized filler system for consistent performance

Key Benefits

- Best-in-class insertion loss performance

- Minimized dielectric constant variation

- Enables reliable small via implementation (0.2mm)

- Optimized for 77GHz automotive radar

- Improved manufacturing yield

Typical Applications

- Adaptive cruise control systems

- Forward collision warning

- Active brake assist

- Lane change assistance

- Traffic jam pilot

- Automated parking systems

- Blind spot detection

Quality Assurance

- Complies with IPC-Class-2 standards

- Gerber RS-274-X format

- Worldwide availability

- 100% electrical testing

Conclusion

This RO3003G2 PCB solution represents the cutting edge in automotive radar technology, combining Rogers' advanced high-frequency materials with precision manufacturing. Its optimized performance at 77GHz makes it ideal for next-generation ADAS applications requiring reliable operation in challenging environments.