2450FB15K0005E Filters

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RF Filters are critical components of any wireless application, including both transmit and receive elements. They are used to shape, direct, or modify the frequency or signal strength of an electronic circuit. The 2450FB15K0005E is a high-performance ceramic SAW filter with a unique feature set that can extend the performance of mobile wireless system solutions. This filter is designed for ultra-low power applications operating in the 0.5 to 2.5 GHz frequency bands.

Overview of 2450FB15K0005E

The 2450FB15K0005E is an RF filter comprised of 3 layers: a ceramic layer, a low temperature co-fired ceramic (LTCC) top layer, and an electro-plated gold bottom layer. It is tuned for a target center frequency of 15.3GHz, with a fractional bandwidth (FBW) of 3.2%. The filter is manufactured using Surface Acoustic Wave (SAW) technology, and utilizes improved fabrication techniques such as plated gold deposition and LTCC technology to achieve an extremely small form factor (2.6mm x 1.8mm x 0.9mm). The filter is also hermetically sealed and offers excellent temperature stability and robustness, making it ideal for high reliability applications.

Application Field and Working Principle of 2450FB15K0005E

The 2450FB15K0005E is designed for use in a variety of wireless applications, including base station (connecting to the cellular network), radio communications systems, satellite link systems, and high performance mobile phones. The filter is designed to minimize the insertion loss of the entire system by efficiently rejecting out-of-band interference, while providing a low center frequency and wide frequency range for the desired signal. The filter works by using the mechanical resonance of a ceramic disc to selectively pass desired frequencies and attenuate out of band signals. The introduction of LTCC material in this product allows for greater control during production and allows the filter to operate at much higher frequencies than traditional SAW filters. As a result, it offers an improved response time and offers a wide frequency range with a low insertion loss.

Conclusion

The 2450FB15K0005E is a high-performance ceramic SAW filter with a unique feature set that can extend the performance of mobile wireless system solutions. With its extremely small form factor, wide frequency range, and robust construction, the filter is designed for use in a variety of applications to reduce system insertion loss and provide excellent rejection of out-of-band interference. By utilizing LTCC technology, the performance of this filter is enhanced significantly, allowing it to operate at higher frequencies and with a faster response time than traditional SAW filters.

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