Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Frequency - Center:	915MHz
Bandwidth:	26MHz
Insertion Loss:	4.5dB
Ratings:	--
Applications:	General Purpose
Mounting Type:	Surface Mount
Package / Case:	6-SMD, No Lead
Height (Max):	0.059" (1.50mm)
Size / Dimension:	0.150" L x 0.150" W (3.80mm x 3.80mm)

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SAW Filters

Surface acoustic wave (SAW) filters are usually used in radio communication systems due to their linear characteristics and wide bandwidth. They are wireless telecommunication components that allow information to be transmitted at a distance without the need for wires. A SAW filter is a part of the electronic equipment found in cellular phones, radio stations, and other wireless systems.The AFS915S3-T is a SAW filter that operates at a center frequency of 915 MHz, with a nominal transducer value of 3 dB and a bandwidth of 0.3 MHz. It has a temperature-compensated structure and a low insertion loss. Its center frequency is calibrated over a wide temperature range (-20°C to +75°C). AFS915S3-T is designed for applications such as DVD players, wireless telephones, and radio base stations. The working principle of the AFS915S3-T is based on the properties of surface acoustic waves. A surface acoustic wave device is composed of two interdigital transducers or electrodes formed on the surface of a substrate. The interdigital transducers convert electric signals into acoustic signals, which are then launched into the substrate in the form of acoustic waves. These acoustic waves propagate along the surface of the substrate and interact with one another, forming standing waves.The AFS915S3-T has two electrodes, namely, the receiver and the transmitter. When a signal is applied to the receiver electrode, it is converted into an acoustic wave, which travels along the surface of the substrate and is received by the transmitter electrode. The receiver and transmitter then convert the acoustic wave back to an electric signal which passes through the filter. The frequency response of the filter is determined by the physical properties of the substrate, the placement of the transducers, and the external voltage applied to the filter.The AFS915S3-T has a high performance, low insertion loss, and temperature-compensated structure, making it an ideal component for various radio communication systems. It offers a wide bandwidth, high linearity, and excellent electrical characteristics, which make it suitable for use in radio systems with varying conditions. Additionally, its structure is less susceptible to the effects of temperature variations, making it suitable for use in situations where environmental conditions may be highly unpredictable. In conclusion, the AFS915S3-T is an excellent choice of SAW filter for radio communication systems due to its improved performance characteristics. It has a wide bandwidth, low insertion loss, and temperature-compensated structure, which make it suitable for a variety of applications. It is a reliable component and should be considered as a viable option for any system that requires wireless communication.

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