B39311B3535A410

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Surface acoustic wave (SAW) filters have been widely used in the field of communication since they were first developed in the early 1970s. The B39311B3535A410 is one of the most popular kinds of SAW filters, widely used in cellular networks for its excellent performance and reliability. In this article, we will discuss the application field and working principle of the B39311B3535A410 SAW filter.

The B39311B3535A410 has an excellent frequency range of 830MHz to 960MHz. It supports a temperature range of -30°C to +85°C. The application areas of the B39311B3535A410 include cellular radio systems, base stations, wireless local area networks, and other mobile communication devices. This filter is especially suitable for applications requiring high power handling, high linearity, low noise, and high insertion loss. It has a remarkably low Insertion Loss (IL) of 2.7dB and a very small size of 16.7 x 10.2mm.

A unique feature of the B39311B3535A410 is its low temperature drift which allows it to maintain high stability and reliability even when the environment temperature changes. Furthermore, due to its superior frequency response characteristics, it has an outstanding Voltage Standing Wave Ratio (VSWR). Additionally, its excellent noise suppression makes it an ideal choice for applications that require low noise.

Now let us move on to the working principle of the B39311B3535A410. The working principle of this SAW filter is based on the propagation of surface acoustic waves along a piezoelectric substrate. The filter consists of an input signal, an interdigital transducer (IDT), and an output signal. The IDT consists of two arrays of electrodes which convert the input signal into surface acoustic waves. The surface acoustic waves travel along the piezoelectric substrate at the speed of sound and undergo reflection and diffraction when they reach the edge of the substrate. The reflected and diffracted waves interfere with each other which causes the output signal to take the form of a bandpass response.

In conclusion, the B39311B3535A410 is a very versatile and reliable SAW filter, widely used in the cellular radio industry. Its excellent frequency range, temperature range, and superior frequency and noise response characteristics make it an ideal choice for many applications. Moreover, its working principle is based on the propagation of surface acoustic waves which ensures its high stability and reliability.

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