FI212L062008-T Filters

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RF filters are essential components of any radio frequency (RF) system. They are used to reduce interference, suppress unwanted signal noise, and shape radio signals. The FI212L062008-T is a type of RF filter specifically designed for low-profile applications. This filter offers a compact surface-mount design, featuring low insertion-loss and group delay variation over a wide frequency range.

The FI212L062008-T is an RF K-type filter that operates in the frequency range of 200 to 800 MHz. It is made up of eight resonators, each one using a thin-film process where a copper inductor is rolled around a high-dielectric substrate and deposited onto the surface of the substrate. The electrical schematic of the filter is shown in Figure 1.

Figure 1 FI212L062008-T Electrical Schematic (Source: RFUS.COM)

The FI212L062008-T filter is typically used in radio transmitters and receivers. Its compact design allows for integration into a wide range of low-profile applications, such as mobile phones, GPS, and other radio-based applications. Additionally, this filter offers excellent linearity across its operating frequency range, ensuring that any distortion of the output signal is minimized.

The working principle of the FI212L062008-T filter is based on its electrical schematic. The substrate is designed to provide an impedance match that maximizes the signal transfer. The copper inductors are laid down in a specific pattern to form resonators that encode the output signal with the desired frequency response. Finally, the filter’s housing is designed to reduce its height and width, providing the desired low-profile form factor.

In conclusion, the FI212L062008-T is a type of RF K-type filter that has a wide frequency range and low insertion loss that makes it suitable for a variety of low-profile applications. Its compact design minimizes the size and height of the filter, making it easy to integrate into any radio-based system. Its electrical schematic and design ensures that the filter is optimized for low-distortion signal transfer with a precisely-shaped frequency response.

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