B39162B3524B710

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Surface acoustic wave (SAW) filters are the components of choice for the vast majority of radio frequency filters. SAWs are based on the concept of a distributed-parametric filter and theoretically offer improved performance over their counterparts, such as the lumped-element filter. They offer excellent frequency and temperature stability, good noise performance, and low power consumption.

The B39162B3524B710 SAW Filter is a surface acoustic wave (SAW) bandpass filter. It occupies a very wide frequency range of 76 MHz to 806 MHz with a center frequency of 419 MHz. The filter has a narrow bandwidth of 2.4 MHz (Fc ±1200kHz), making it an ideal choice for applications requiring high selectivity and narrowband rejection.

SAW Filter is composed of components such as delay interdigital transducer (IDT), metal electrodes, matching layers, glass substrate, and so on. The delay IDT will be excited by the external signal and cause the elastic wave on the substrate to form. On the other hand, the wave will be received by the output IDT. There are several types of IDT, such as regular IDT, overlapping IDT or non-overlapping IDT. In this type of filter, the overlapping IDT is usually adopted for achieving better performance.

Once the signal is received, the output IDT will convert the elastic wave back to electric wave. This reaction is known as acousto-electric coupling, which is a key factor in SAW filter functionality. Meanwhile, the parameters of the filter such as center frequency, passband, and stopband can be controlled by the spacing between electrodes and metal layers.

The B39162B3524B710 SAW Filter operates on the principle of tuning the filter parameters by adjusting the appropriate electrodes. It has a center frequency of 419 MHz, a maximum attenuation of 40dB in the passband, and a maximum insertion loss of 6.2dB in the passband. It also has an excellent stopband rejection of i20dB at 26 MHz.

The bandwidth of the B39162B3524B710 SAW Filter is 2.4 MHz, which indicates its wide range of applications. It can be used in base stations and short range radio systems such as Bluetooth, WLAN, and cellular communication systems. It can also be used to design high-precision filters for up- and down-conversion in amplifiers, transmitters, and receivers. Additionally, the filter can be used in other frequency applications such as medical and navigation systems.

In conclusion, the B39162B3524B710 SAW Filter is an ideal choice for various radio frequency applications. It offers excellent frequency and temperature stability, good noise performance, and low power consumption. Its bandwidth is 2.4 MHz, and its stopband rejection is up to 20 dB. It can be used in a variety of applications such as base stations, short range radio systems, up- and down-conversion circuits, and medical and navigation systems.

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