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RF Circuit Technology

RF Circuit Technology - RO4350B and RT5880 are the choices for high-frequency PCB

RF Circuit Technology

RF Circuit Technology - RO4350B and RT5880 are the choices for high-frequency PCB

RO4350B and RT5880 are the choices for high-frequency PCB
2024-10-06
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Author:iPCB

From commercial aviation to military radar, from millimeter wave communication to point-to-point digital radio, the performance of high-frequency and high-speed circuit boards directly determines the overall efficiency of the system. Among numerous high-performance materials, Rogers RO4350B and Rogers RT/duroid 5880 stand out with their unique advantages and have become the first choice for many high-frequency PCB manufacturers.


RO4350B excellent performance, capable of mixed voltage in multi-layer circuits

Rogers RO4350B PCB is a proprietary glass cloth reinforced, ceramic/hydrocarbon composite material that combines the electrical properties of PTFE/glass cloth with the processability of epoxy resin/glass.


Rogers RO4350B PCB Characteristics and Advantages

-Can manufacture mixed voltage multi-layer circuit boards: 2-40 layers.

-Electrical performance: The RO4350B circuit board has strict tolerance control for dielectric constant (Dk 3.48 ± 0.05) and low loss characteristics (Df 0.0037 @ 10GHz), and its electrical performance is close to that of PTFE/woven glass cloth materials.

-Convenient processing: The processing method is the same as that of standard epoxy resin/glass, without the need for special through-hole treatment or operation procedures, and the processing cost is much lower than that of traditional microwave circuit boards.

-Dimensional stability: The low Z-axis thermal expansion coefficient (32 ppm/° C) ensures the dimensional stability of the circuit board, making it suitable for applications with high precision requirements.

-High cost-effectiveness: The processing technology is similar to FR-4, making it easy to mass produce and mix multiple layers.

-Safety performance: Meets UL 94 V-0 flame retardant rating, suitable for active devices and high-power RF designs, enhancing product safety.


Rogers RO4350B PCB Application Fields

RO4350B PCB is widely used in wireless communication equipment, radar systems, high-speed data transmission equipment, testing and measurement equipment, microwave circuits, aerospace, automotive electronics and other fields. In these fields, RO4350B has been used to produce key circuit boards such as microwave point-to-point connections (P2P), automotive radar and sensors, radio frequency identification (RFID) tags, cellular base station antennas, and power amplifiers, demonstrating its excellent performance and wide application potential.

Rogers RO4350B PCB

Rogers RO4350B PCB

Rogers RT/duroid 5880 has better performance and meets high-end application needs

Rogers RT5880 is a high-frequency circuit board made of polytetrafluoroethylene (PTFE) composite material reinforced with micro glass fibers. This material occupies an important position in high-frequency/broadband applications due to its excellent electrical performance and processing characteristics.


Rogers RT5880 Features and Advantages

-Can manufacture multi-layer mixed voltage circuit boards (2-40 layers).

-Electrical characteristics: Rogers RT5880 has an extremely low dielectric constant (Dk 2.20 ± 0.02) and dielectric loss (Df 0.0009 @ 10GHz), exhibiting excellent performance among similar materials. The randomly oriented microfiber reinforcement ensures a high degree of consistency in Dk, making it suitable for scenarios with extremely high requirements for impedance matching and signal transmission speed.

-Processing performance: Easy to cut, share, and shape, exhibiting good resistance to solutions and reagents used in etching, electroplating edge treatment, and through-hole processes.

-Environmental adaptability: Low moisture absorption rate, suitable for use in high humidity environments, maintaining the stability of electrical performance.

-Mechanical properties: high strength, high stiffness, good heat resistance, chemical corrosion resistance, ensuring the durability and reliability of materials in complex working environments.


Rogers RT5880 Application Fields

The RT/duroid 5880 PCB circuit board is widely used in wireless communication, satellite communication, radar, microwave communication, and medical electronics fields due to its excellent performance. Specific application scenarios include commercial aviation telephone circuits, microstrip and strip line circuits, millimeter wave applications, military radar systems, etc., meeting the strict requirements for high-frequency, high-speed, and high-precision signal transmission in these fields.

RT/duroid 5880 PCB circuit board

RT/duroid 5880 PCB circuit board

RO4350B and RT5880 can also be flexibly mixed with other materials (such as FR-4, M6, etc.) to select the most suitable material according to the requirements of each layer, helping you solve complex problems in high-frequency PCB and high-speed circuit board design, such as signal integrity, thermal management, and PCB cost control.