High Frequency Printed Circuit Boards (HF PCBs) are fabricated with special materials that can transmit high frequency signals above 500MHz with minimal losses. They are used in variety of applications including telecommunications, RF microwave, military and aerospace. When designing a high frequency PCB, a designer must and take into considerations a number of parameters to meet the signal requirements of the particular high frequency application. These parameters include dielectric constant (Dk), dissipation factor (Df), coefficient of thermal expansion (CTE), temperature coefficient of dielectric constant (TCDk) and thermal conductivity.
Select a material with a dielectric constant and a dissipation factor that meet your application requirements.
Use low profile copper foil to prevent signal loss.
Implement impedance matching.
Keep trace lengths as short as possible to reduce coupling.
Avoid trace bending to reduce impedance variations.
Increase spacing between adjacent traces to minimize crosstalk.
Use the 3W rule whenever possible to reduce crosstalk.
Group signal and component types whenever possible
PCB Unlimited is truly the best source for printed circuit boards including high frequency PCBs. We offer domestic and offshore PCBs. We have an extensive network of PCB manufacturing partner in Taiwan and China. Each partner has a unique set of manufacturing capabilities. We can make your prototypes or mass produce the boards you need. You will find our pricing highly competitive and our customer service excellent. For a custom quote please email your Gerber files to firstname.lastname@example.org or contact us to discuss your requirements at (800) 348-9250.
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