B39202B7823C710

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Surface acoustic wave (SAW) filters are a type of band pass filter that operate using surface acoustic waves. They are widely employed in electronic systems for both analog and digital processing. B39202B7823C710 is a type of SAW filter used in a range of applications. In this article, we will review the application field and working principle of this type of filter.

1. Application Field

B39202B7823C710 is designed to be a low-cost SAW filter with high selectivity and low noise performance. This type of filter has wide application in wireless communication electronics, as it offers superior circuit integration with a small size and low power consumption. It is especially suitable for cellular phone and global system for mobile communication (GSM) applications.

The filter can also be used in multiband and mobile radio systems. It can provide an effective signal-notch response for minimized interference in dual-band systems. This makes it ideally suited for low noise mobile radio transceivers.

2. Working Principle

The B39202B7823C710 SAW filter utilizes the principles of surface acoustic wave technology to enable high-performance filtering. A transducer generates surface acoustic waves, which propagate along the surface of a piezoelectric substrate. The frequency-selective nature of the filter is determined by the metal interdigital transducer (IDT) pattern. This pattern can be designed for custom frequency characteristics.

Surface acoustic waves propagate along the surface of the filter by passing kinetic energy from transducer-to-transducer. In this way, surface acoustic waves interact with the IDT pattern to create a filtering action. As the waves pass through the metal IDT, they are attenuated depending on their frequency, providing a frequency-selective response.

The B39202B7823C710 offers superior performance over conventional filters. It features low insertion loss, high selectivity, low noise performance and wide temperature range. It also offers a robust design with excellent environmental and mechanical stability.

Conclusion

In summary, the B39202B7823C710 SAW filter offers wide application field and excellent performance. It is a low-cost, small size and low power filter with high selectivity and low noise performance. By utilizing surface acoustic wave principles, it can provide a frequency-selective response for mobile radio transceivers, cellular phone and GSM applications.

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