B39389K9663D100 Filters

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A SAW filter is an electronic bandpass filter that is used to select or reject the frequency of an audio or RF signal. The B39389K9663D100 SAW filter is a high-quality SAW filter used for mobile phone applications and related RF equipment. This filter is designed to reject in-band spurious signals while improving harmonic performance.

The B39389K9663D100 SAW filter is constructed by sewing together two thin metal layers of different materials, forming a rectangular piezoelectric crystal. This structure vibrates mechanically when electric signals pass through it, allowing the filter to pass only the frequencies which it was designed for. This flexibility makes it ideal for a wide variety of applications.

Applications

The B39389K9663D100 SAW filter is used in many wireless and audio applications. It is used in mobile phone base stations to reduce the interference between different signals and improve performance. It is also used in consumer electronics, such as mobile phones, wireless headsets, and Bluetooth-enabled devices. In addition, it can be used in healthcare applications, such as medical monitors, and audio equipment, such as amplifiers, receivers, and speakers.

Working Principle

The B39389K9663D100 SAW filter operates by taking the piezoelectric vibrations of the metal layers and converting them into electrical signals. These signals are then passed through a set of narrow, low-pass filters which pass some frequencies and block others. The frequencies that are allowed to pass through are the ones that the filter was designed for, while others are rejected. This allows the filter to reject in-band spurious signals while improving harmonic performance.

The B39389K9663D100 SAW filter is designed to be wide enough to filter out any unwanted frequencies, yet narrow enough to maintain its pass-band flatness and performance. This enables the filter to reject in-band spurious signals and improve harmonic performance without compromising its ability to filter out frequencies outside of its passband.

The B39389K9663D100 SAW filter is also designed to have a low insertion loss, meaning that only a small amount of power is lost when the signal passes through the filter. This improves the signal-to-noise ratio and ensures that the signal is not degraded by the filter.

Conclusion

The B39389K9663D100 SAW filter is a high-performance, high-quality SAW filter that can be used for a variety of applications. It is designed to reject in-band spurious signals while improving harmonic performance, without compromising its ability to filter out frequencies outside of its passband. The filter also has a low insertion loss, meaning that only a small amount of power is lost when the signal passes through the filter. This makes it an ideal choice for mobile phones, wireless headsets, and Bluetooth-enabled devices.

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