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20dB Directional Coupler

The 20 db directional coupler is an extremely popular design of directional coupler. It has been used in a variety of applications, including radio, television, and wireless networks. If you are looking for an inexpensive directional coupler, this one is perfect. However, if you are considering using a coupler with a larger output power, it may be a good idea to check out the 30dB version.


Coupling factor

You must be aware of the proper parameters to use while designing a directional coupler. These include the right combination of circuit materials, which will affect how well your gadget performs. You should also be aware of what the directional coupler is capable of. In that the power of a directional coupler depends on the frequency and separation between the input and output ports, it is similar to a power divider.

Selecting a PCB material with the maximum permittivity in the frequency band you are planning for will maximize the performance of a directional coupler. You may then observe how dimensional tolerances, changes in the dielectric constant, and other elements impact the performance of a directional coupler. The best design for a 30dB directional coupler matches all of the terminations to the ports in terms of size and weight. Although it's a popular design element, an isolated port isn't always required.

Why choose Hefei Topwave 20dB Directional Coupler?

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