FAR-F6KA-1G9500-D4DG-Z Filters

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Surface Acoustic Wave (SAW) filters are key components in modern communications and electronic circuits. The FAR-F6KA-1G9500-D4DG-Z is a SAW filter designed for use at 915 MHz operating frequency. This paper provides an overview of the FAR-F6KA-1G9500-D4DG-Z\'s application field and working principles.

Application Field

The FAR-F6KA-1G9500-D4DG-Z SAW filter is primarily used in licensed and unlicensed radio transmitters that operate at 915 MHz. Its purpose is to filter out-of-band emissions and interference to permit reliable operation within a given radio frequency range. It is also used in mobile wireless devices, such as in Industrial Internet of Things (IIoT) applications, as well as Wi-Fi and Cellular communications.

The FAR-F6KA-1G9500-D4DG-Z is also appropriate for use in radar, navigation, and electronic warfare systems. Its low insertion loss, high selectivity, and wide passband frequency range make it suitable for various applications.

Working Principle

SAW filters are periodic structures consisting of an interdigital transducer on a piezoelectric substrate. The transducer is composed of top and bottom interleaved finger electrodes and the substrate acts as a sound medium that propagates surface acoustic waves. The top and bottom electrodes are connected to electrical ports, forming a filter electrical network.

The FAR-F6KA-1G9500-D4DG-Z SAW filter works by coupling electrical energy on one port to acoustic energy on the substrate and then coupling the acoustic energy back to electrical energy on the other port. The filter is tuned to a specific frequency, allowing selectivity to maximize the rejection of unwanted signals and minimize out-of-band interference.

The frequency of the SAW filter remains stable over the product\'s operating temperature, making it ideal for use in harsh environments. It also has a low profile, which makes it easy to integrate into applications with limited space.

Conclusion

The FAR-F6KA-1G9500-D4DG-Z SAW filter is an ideal choice for use in a variety of radio transmitters and mobile wireless devices. With reliable filtering and a low profile, it has a wide range of applications. Furthermore, its low insertion loss and high selectivity make it an optimal solution for Industrial Internet of Things (IIoT), Wi-Fi and Cellular communications.

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