B39361X6966D100

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What are SAW Filters?

SAW filters are a type of electronic filters, which are used to pass certain signals, based on their frequency, and reject all other signals. Additionally, they are also characterized by their narrow passband and sharp steep skirts. These characteristics make them very useful for digital communication applications, where a signal needs to be accurately shaped, filtered and time-domain stabilized.

B39361X6966D100 Application field and Working Principle

The B39361X6966D100 is a compact single-pole, double-pass filter component. Its primary application is in the field of embedded digital communications and can find wide use both in laboratory and industrial settings. The component is based on a thin-film surface acoustic wave (SAW) filter and is capable of selecting desired signals of frequencies up to 300 MHz.

The B39361X6966D100 is fabricated on a substrate made of aluminum oxide, which is the core material used in the thin-film SAW filter technology. The filter is composed of two transducers created by piezoelectric transducers (PZTs) which act as senders and receivers. A single filter layer is supported by a multilayer structure, including layers of a protective material and an acoustic mirror.

In addition, the B39361X6966D100 is designed to operate in two modes: send/receive and send/echo. In thesend/receive mode, the filter is used to pass a desired signal and reject any other spurious signals. This mode is typically used for digital communications and is beneficial in eliminating interference from environmental noise. In the send/echo mode, the filter is used to measure the delay and/or the frequency of a received signal. For example, it can be used for laser speed measurement or the identification of noise sources.

In conclusion, theB39361X6966D100 can offer high selectivity and low insertion loss, as well as excellent signal passband accuracy. This is due to its excellent thin-film SAW filter technology, which enables the filter to offer superior filtering capabilities along with an attractive form factor. This makes the filter suitable for use in a variety of embedded digital communications and sensing applications, ranging from cellular phones to lightning-fast data transfer systems.

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