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How Rogers 4730 PCBs Compare to Other High-Frequency Laminated Substrates?
Compared to these substrates, Rogers 4730 PCBs have a lower dielectric constant of 2.8, making them suitable for even higher frequency applications. They also have a lower dissipation factor of 0.0027 at 10 GHz, which means they lose less signal power as it travels through the substrate. Additionally, Rogers 4730 PCBs have a lower coefficient of thermal expansion (CTE) of 9 ppm/°C compared to FR-4, which makes them more stable over a wider temperature range. In terms of cost, Rogers 4730 PCBs are generally more expensive than FR-4, but less expensive than some other high-performance laminates like Rogers 4003C.
Overall, Rogers 4730 PCBs offer a unique combination of low dielectric constant, low dissipation factor, and low CTE, making them ideal for high-frequency and high-speed applications where signal integrity is critical.
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