RF inductor characteristics and selection methods

This article describes the characteristics of RF inductors and their uses.

High frequency inductor

Speaking of high-frequency circuit inductors, as the name implies, is the inductance for the high frequency band of tens of MHz to several tens of GHz. Because the Q factor (Quality factor) is relatively high, it is generally an air core structure, and is mainly used for high-frequency circuits such as mobile phones and wireless LANs and other mobile communication devices.

Table 1. Example of the use of each inductor in the mobile phone circuit block

Murata's high-frequency circuit inductors are available in winding, laminated, and thin film.

Below, we will briefly introduce the characteristics and related uses.

Product features and selection methods

1. Three major techniques

2. High Q winding inductor technology

0804 sized implementation

The general-purpose technology of high-frequency winding products, combined with high-precision winding technology and small core forming technology, has achieved miniaturization.

3. Thin film inductor technology

High precision stack

Rely on high stacking accuracy, expand the inner diameter, make the magnetic flux easy to pass, and achieve high Q value!

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