B39380K6265K100

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Introduction

Surface acoustic wave (SAW) filters, which are also known as monolithic filters, are produced from a single substrate comprised of piezoelectric material. Unlike other filter technologies, which use inductors and capacitors to generate the desired frequency response, monolithic filters use transducers to achieve the same result. The transducers are mounted on the surface of the substrate, providing an electromechanical coupling mechanism between the electrical filtering components so that the filter can be fine-tuned to create specific signal response characteristics.

B39380K6265K100 Application Field and Working Principle

The B39380K6265K100 SAW filter is designed for the cellular mobile communication band. It provides a high level of attenuation at a given frequency, allowing for optimum signal quality and improved system performance. The filter consists of a substrate made of a piezoelectric material, typically quartz or ceramic, with a pair of electrodes deposited on the surface. The electrodes are connected to an electronic circuit that controls the impinging signal waveform as it passes over the surface of the substrate. As the signal passes over the electrodes, its frequency, amplitude and phase are modified. The resulting modified signal is then passed onto the antenna for transmission.The combination of the electrodes and the substrate imparts several desirable effects to the signal waveform. The electrodes on the surface of the substrate create a refractive effect, such that the frequency of the impinging waveform is modified. This refractive effect is known as dispersion, and it produces a narrower signal profile, which then results in improved signal isolation and reduced crosstalk between frequency bands.Furthermore, by shifting the phase of the signal waveform slightly, the filter can also modify the effective impedance of the antenna, which can then be used to adjust the amount of power that is transmitted and received. This, in combination with the filter\'s attenuation abilities, makes it a powerful tool for improved signal performance.

Conclusion

In conclusion, the B39380K6265K100 SAW filter is a highly effective filtering component that is specifically designed for cellular mobile communications. Its refractive and phase-shifting effects allow it to provide improved signal isolation and attenuation, as well as improved signal power and performance. As such, it is a vital tool for ensuring optimum system performance.

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