B39881B9481P810 Filters

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Surface Acoustic Wave (SAW) technology is suitable for a broad range of high frequency and low loss filtering and tuning applications. In particular, B39881B9481P810 is a type of low pass filter which is highly versatile, offering good performance and high reliability.

In contrast to other filter technologies, SAW filters use acoustic energy in the form of sound waves on the surface of a substrate or piezoelectric material. The vibration of the transducer is transferred or reflected to the surface, where it then travels in very specific directions at high velocity over the substrate\'s surface. This travelling wave\'s frequency is based on the particular properties of the transducer and substrate used.

As the wave passes over the filter, it couples with the filter\'s particular impedance surfaces, which then reflect the acoustic wave back to the transducer. This coupling process allows for a greater impedance differential between two ports, resulting in an amplified electrical signal.

The B39881B9481P810 is an exact match for low pass filter applications, and proves to be especially useful in areas requiring low insertion loss, high out-of-band rejection, and good temperature stability. It features a unique combination of low pass filtering and high impedance matching capabilities, allowing it to easily tune into the desired frequency range. Its wide temperature range, stability over time, and low insertion loss delivers exceptional performance for electro-optical systems.

The filter is particularly suited to filter out any unwanted signals and noise, providing increased protection against interference. This makes it preferable for any applications where a tight band of frequencies must be maintained, such as for digital transmission or certain medical equipment. Additionally, the filter is ideal for applications requiring good gain flatness across its pass band.

The filter is constructed from an array of transducers which are set at specific angles in order to create a reflection filter array. The filter is then placed in a containment unit which can be adjusted to control the filter\'s resonance. The filter\'s exact resonance frequencies are determined by the angle of the transducers, the distance between the transducers, and the impedance surface of the substrate.

Due to its high level of versatility, the B39881B9481P810 makes an ideal low pass filter for a variety of applications. With excellent impedance matching and temperature stability, the filter delivers superior performance in high frequency/low loss applications, making it particularly suitable for digital transmission and other electro-optical systems.

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