DEA252450BT-7046A1

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RF Filters are widely used in today\'s communications systems. The DEA252450BT-7046A1 RF Filter is among the most popular in the market, designed for a number of applications. This article takes a closer look at the application fields and working principle of the filter to better understand its capabilities.

Applications

DEA252450BT-7046A1 RF Filter can be used in various applications such as cellular base station, broadband wireless systems, 2G/3G networks, TDMA, CDMA, WCDMA, GPS, WiMAX, microwave systems, and multiple other communication systems. In these systems, the filter helps to reduce any interference that may cause errors in communication or degraded signal quality.

Due to its high isolation level, the filter has also found applications in some noise sensitive applications. It is used in low noise transmitters like satellite transceivers or high power tranmitters.

Another major application of the filter is in multi-channel frequency hopping systems. It has a sharp passband attenuation with broad stopband, making it an ideal choice for such systems.

Working Principle

The DEA252450BT-7046A1 RF Filter functions as a bandpass filter, relying on the transmission line effects to reduce the out of band signals and provide attenuation to off-frequency components. The filter has an exceptionally low insertion loss and high isolation.

The filter consists of a number of interdigital capacitors, inductors, and microstrip transmission lines. The capacitors and inductors form a series resonator, and the transmission lines form a shunt resonator. These two resonators are parallel-connected and form the passband of the filter. The stopband is formed by the transmission line effect.

The filter employs the quarter-wave transformation principle which lowers the transition bandwidth while providing high out-of-band attenuation. This minimize the spurious response, resulting in better signal-to-noise ratio of the filter.

Conclusion

DEA252450BT-7046A1 RF Filter is a high-performance filter designed for numerous applications. Its low insertion loss, high isolation level, and high frequency stability makes it one of the most widely used RF filters in the market. The filter employs transmission line effects and the quarter-wave transformation principle to increase rejection of out-of-band signals, resulting in better communication systems.

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