What are RF Inductors?

Do you want to learn more about RF Inductors? In this series of blog posts, we will illustrate the importance of RF Inductors, their uses, types, and more.

RF inductors are used in a wide range of industry from consumer to military to scientific. Primarily, one of the bigger markets today are wireless devices like tablets.

There are many ways to use RF inductors. For example, with a block diagram of the RF section of a mobile phone, you could sometimes find RF inductors, particularly in the filtering side, as well as any kind of amplifier or filtering circuit.

Another example would be a generic RF system for transmission and reception. In this case we have [void] data that has been converted from analogue to digital, and of course, in the process of going through this [process] we will find filters. There are all kinds of different RF circuitry that need to be designed in order to make the signal; both transfer it, as well as match the information within the system.

Here is an example of some typical RF inductors. We see the ceramic type and we see the ones that are multi layered type inductors. We're going to break them down in detail so that you can understand the difference between this and the typical power inductors.

First, a little background. RF inductors work exactly the same way as any other inductor. They are governed by the same physics rules that we see for power inductors. Therefore, we still characterize them in terms of their magnetic warp, permeability, inductivity, and such parameters. Thus, the same kind of formulas would be applied as they would with our inductors.

Because of this similarity between power inductors, they are both very similar ranges of parameters, such as induction, resistance, impedance, rate occurrence, and furthermore, we're going to be talking about the Q value, which is very important for RF applications.

Want to learn more? Stay tuned for more posts about the materials RF Inductors are comprised of, the importance of the Q factor, applications and constructions, types of products, availability of models, tutorials, and general questions.

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