AFS20A05-1672.50-T3

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SAW Filters

Surface Acoustic Wave (SAW) filters are electronic components used to filter unwanted frequencies from an input signal, while allowing the desired frequency to pass through to the output. They are a type of active filter, meaning that they require power to operate, as opposed to passive filters which do not. SAW filters are widely used in electrical and electronic applications, especially in data transmission applications. AFS20A05-1672.50-T3 is a type of SAW filter with a center frequency of 1672.50 MHz.

SAW filters utilize three main components: a substrate, an interdigitated transducer (IDT), and a reflector. The substrate is typically made out of a piezoelectric material, such as quartz, which is capable of vibrating when an electrical signal is applied to it. The IDT is an electrical component that is placed on the substrate and consists of metal fingers spaced parallel to one another. When an electrical signal is applied to the IDT, it vibrates the substrate to create an acoustic wave. The acoustic wave passes through the IDT, is reflected off of the reflector, and then travels back to the IDT where it is detected.

The acoustic wave that is created by the IDT passes through the substrate at the “cutoff” frequency, which is determined by the size and spacing of the IDT’s metal fingers. Signals with a frequency above the cutoff frequency will pass through the IDT and be detected. Signals below the cutoff frequency will be blocked by the IDT. This allows the SAW filter to filter out unwanted frequencies while allowing the desired frequency to pass through.

AFS20A05-1672.50-T3 is a SAW filter designed for use in radio frequency (RF) applications. It has a center frequency of 1672.50 MHz with a 3 dB bandwidth of 4 MHz, and an insertion loss of less than 1 dB. The filter is designed to reject signals with frequencies up to 500 MHz away from its center frequency. This makes the AFS20A05-1672.50-T3 suitable for use in applications such as cellular radio, radio links, satellite communications, and settop boxes.

In summary, AFS20A05-1672.50-T3 is a type of SAW filter that is used for filtering unwanted frequencies from an input signal. It is designed to reject signals with frequencies up to 500 MHz away from its center frequency and is suitable for use in radio frequency applications such as cellular radio, radio links, satellite communications, and settop boxes.

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