AFS14A04-1575.42-T2 Filters

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Frequency - Center:	1.575GHz
Bandwidth:	40MHz
Insertion Loss:	0.9dB
Ratings:	--
Applications:	General Purpose
Mounting Type:	Surface Mount
Package / Case:	5-SMD, No Lead
Height (Max):	0.028" (0.70mm)
Size / Dimension:	0.055" L x 0.043" W (1.40mm x 1.10mm)

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The AFS14A04-1575.42-T2 is a surface-acoustic wave filter, or SAW filter, and it is used mainly in the cellular communication industry. This device has been designed to meet the high-performance requirements of today\'s mobile devices.SAW filters are electronic components that are used to filter signals according to specific frequencies. The operating principle of a SAW filter is based on two main features: acoustic resonance and acoustic diffraction. Acoustic resonance occurs when sound waves travelling through the filter reach their resonance frequency, creating a standing wave. Acoustic diffraction then occurs when the standing wave interacts with obstacles, such as reflecting surfaces or diffraction gratings, which cause the wave to bend and propagate.The specific application field of the AFS14A04-1575.42-T2 SAW filter is in the GSM/3G/4G cellular bands. It is mainly used for blocking out-of-band signals and suppressing harmonics in order to maximize system performance. It is designed to meet the requirements of high-performance mobile devices in the 2G to 4G bands. In particular, it is suitable for applications in 3G and 4G cellular bandwidths, such as LTE TDD, WCDMA, TD-SCDMA, CDMA2000, GPRS, and EDGE.The working principle for this SAW filter is based on its construction, which consists of an input waveguide, an acoustic interdigital transducer, an acoustic mirror, a rectangular soundbox, and an output waveguide. The input signal is entered into the waveguide, where it is directed to the transducer. The transducer converts the input wave into an acoustic wave, which is then propagated along the soundbox walls. The acoustic mirror at the end of the box causes the wave to reflect and diffract, and is then directed to the output waveguide. At this point, the signal has been filtered to the desired bandwidth.The AFS14A04-1575.42-T2 SAW filter is a high-performance device designed for use in today’s mobile applications. Its application field is the GSM/3G/4G cellular bands, and it is suitable for use with all 2G-4G cellular bandwidths, such as LTE TDD, WCDMA, TD-SCDMA, CDMA2000, GPRS, and EDGE. The SAW filter works by converting the input signal to an acoustic wave, which is then diffracted and reflected at the acoustic mirror at the end of the filter’s soundbox before travelling to the output waveguide, where the signal has been filtered to the desired bandwidth.

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