CLTE-XT High Frequency PCB 2-layer 30mil with Immersion Tin for Patch Antennas

Unleashing the Potential of CLTE-XT PCBs: Unmatched Performance and Reliability

Introduction:
In the ever-evolving world of electronics, there is a growing demand for high-performance and reliable printed circuit boards (PCBs). CLTE-XT PCBs, developed by Rogers, are at the forefront of PCB technology, offering unparalleled performance and reliability. These extraordinary PCBs are composed of micro-dispersed ceramic filler, PTFE, and woven fiberglass reinforcement, resulting in a composite that excels in loss tangent improvement, insertion loss reduction, and dimensional stability. This blog delves into the features, construction details, benefits, and various applications of CLTE-XT PCBs, shedding light on their exceptional capabilities.

Features of CLTE-XT PCBs:
CLTE-XT PCBs possess a remarkable set of features that differentiate them from conventional alternatives:

• Outstanding Dielectric Performance: At 10GHz and 23°C with 50% relative humidity, CLTE-XT PCBs exhibit a dielectric constant (DK) ranging from 2.79 to 2.94. This ensures efficient signal transmission and minimal signal loss. Furthermore, their dissipation factor measures a mere 0.0010, enhancing signal integrity.
• Dimensional Stability: CLTE-XT PCBs excel in dimensional stability due to their low coefficient of thermal expansion (CTE). The X and Y axes demonstrate CTE values of 12.7ppm/°C and 13.7ppm/°C, respectively, while the Z axis showcases 40.8ppm/°C. This exceptional stability guarantees reliable performance across a wide temperature range.
• High Thermal Resistance: CLTE-XT PCBs exhibit an impressive decomposition temperature (Td) of 539°C, enabling them to withstand extreme thermal environments without compromising their electrical properties.
• Reliable Moisture Resistance: CLTE-XT PCBs boast a low moisture absorption rate of 0.02%, ensuring high resistance to moisture-related issues and consistent performance even in humid conditions.

Benefits of CLTE-XT PCBs:
By selecting CLTE-XT PCBs for your applications, you can reap numerous remarkable benefits:

• Enhanced Reliability: CLTE-XT PCBs offer high reliability in plated through holes (PTH), ensuring robust connections and minimizing the risk of failure. Their performance remains repeatable across different production lots, guaranteeing consistent operation and peace of mind.
• Reduced Circuit Losses: CLTE-XT PCBs effectively minimize circuit losses without sacrificing dimensional stability. This feature enables efficient signal transmission and optimal performance of electronic systems.
• Stable Dielectric Constant: The dielectric constant of CLTE-XT PCBs remains stable even under temperature variations, reducing stress on attached ceramic active devices and enhancing overall system reliability.
• Superior Signal Integrity: With their exceptional dielectric performance and minimal signal loss, CLTE-XT PCBs maintain excellent signal integrity, ensuring accurate data transmission and reducing the risk of errors.

Construction Details and PCB Specifications:
CLTE-XT PCBs undergo meticulous construction to ensure reliability and performance:

• PCB Stackup: The configuration of CLTE-XT PCBs typically involves a 2-layer rigid PCB construction.
• Copper Thickness: The top and bottom copper layers feature a standard thickness of 35 μm, facilitating efficient signal conduction and robust connections.
• Board Dimensions and Thickness: CLTE-XT PCBs have dimensions of 42.91mm x 108.31mm, with a finished board thickness of 0.8mm, striking a balance between durability and compactness.
• Surface Finish and Silkscreen: CLTE-XT PCBs are finished with immersion tin, ensuring excellent solderability. The top silkscreen is black, providing clear component identification.
• Electrical Testing: Each CLTE-XT PCB undergoes a thorough electrical test before shipment, ensuring compliance with the highest quality standards.

Applications of CLTE-XT PCBs:

• CLTE-XT PCBs find extensive use in various industries and applications, including:
• Advanced Driver Assistance Systems (ADAS): CLTE-XT PCBs enable the development of reliable and high-performance ADAS solutions, contributing to enhanced vehicle safety.
• Patch Antennas and Phased Array Antennas: The exceptional dielectric performance and dimensional stability of CLTE-XT PCBs make them ideal for applications requiring precise signal transmission in wireless communication systems.
• Power Amplifiers: CLTE-XT PCBs provide the necessary stability, signal integrity, and thermal resistance required for power amplifier designs across various industries.
• Ground-based and Airborne Communications and Radar Systems: CLTE-XT PCBs excel in critical communication and radar systems, ensuring reliable and efficient signal transmission in demanding environments.

Conclusion:
CLTE-XT PCBs, developed by Rogers, represent the epitome of performance and reliability in the realm of printed circuit boards. With their exceptional dielectric properties, dimensional stability, thermal resistance, and moisture resistance, CLTE-XT PCBs offer unmatched benefits and reliability for critical applicationsUnleashing the Potential of CLTE-XT PCBs: Unmatched Performance and Reliability