2450BP18C100EE

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RF Filters are considered a priority item for modern telecommunications networks, and are used for a variety of applications. The 2450BP18C100EE is one of the most popular RF filters available in the market today. It is designed for use in various industries, such as broadcasting, consumer electronics, cellular networks, and medical imaging. This filter is an 18-pole, 2,450 MHz -1.800 MHz bandpass filter with a low insertion loss and high rejection ratio. It provides maximum signal integrity and prevents interference from adjacent frequency bands.

Application

The 2450BP18C100EE is used in a variety of applications, such as air band (119–136 MHz), satellite communications, cell phone base stations, Wi-Fi, and military communications. The filter is suitable for use in two-way digital communication systems, such as multi-channel wireless networks and digital broadcasting systems. Furthermore, the filter can also be used to filter out low-frequency noise generated in medical imaging equipment, television broadcasting equipment, and base station transceivers.

Working Principle

At its most basic, the 2450BP18C100EE is an active filter composed of four Thin Film Coupling (TFC) coils, one surface-mounted RF dataport, and three capacitors. The filter is designed to allow specific frequencies to pass (known as the center frequency) while blocking or rejecting those outside the specific operating bandwidth.

The filter works by forming a filter mask with its four TFC coils. These coils determine the characteristics of the filter, such as the frequency range and filter bandwidth. The filter mask is then further shaped by its three capacitors. These capacitors attenuate the signal or increase the signal level, depending on the amount of capacitance.

The CW frequency responses of the 2450BP18C100EE show a very low insertion loss (typically less than 0.5dB) and a high rejection ratio (typically greater than 42dB). The filter design is also highly stable over temperature, with a maximum trimmable limit of +/-1.7dB.

Conclusion

In conclusion, the 2450BP18C100EE is a versatile and reliable RF filter that has wide application in various industries. With its low insertion loss and high rejection ratio, it provides maximum signal integrity and prevents interference from adjacent frequency bands.

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