SF14-1575M5UBA2 Filters

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SAW filters offer a versatile and cost effective solution for various signal filtering and conditioning applications. The SF14-1575M5UBA2 is a SAW filter designed by the company Auris for extended bandwidth, low pass filtering. It uses a temperature compensated structure that provides consistent performance over a wide temperature range. The filter uses tubeless filter technology which helps reduce the signal losses and increases the power efficiency of the filter.

The SF14-1575M5UBA2 filter is used mainly in applications involving the filtering of low frequency signals. It is ideally suited for applications in satellite communication, microwave communication systems, cellular communication and applications where extended bandwidth and high performance are desired.

The SF14-1575M5UBA2 filter works on the principle of surface acoustic wave (SAW) propagation. It consists of a transducer which generates a surface acoustic wave. This wave is then propagated across a piezoelectric substrate which is usually quartz LiNbO3 or alumina material which is then detected by a receiver transducer.

The signal path of the filter is designed so as to allow the propagation of surface acoustic wave, while blocking all other frequencies. The signal is filtered through an array of interdigital electrodes which are arranged in a ladder type structure. The spacing between the electrodes is such that it is larger than the wavelength of the frequency to be passed, but smaller than the wavelengths of the frequencies to be blocked.

The output of the filter is the sum of the frequencies which pass through the electrodes. The output signal is then amplified using an amplifier to obtain high level output with a low noise floor. The output can be further conditioned if required.

The SF14-1575M5UBA2 is a low pass SAW filter designed to provide extended bandwidth, low noise and high performance. The filter is used mainly in applications involving low frequency signal filtering. The filter uses surface acoustic wave propagation and tubeless filter technology to achieve high performance with minimal signal losses.

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