RF3210E Allicdata Electronics

RF3210E Filters

Allicdata Part #:

RF3210E-ND

Manufacturer Part#:

RF3210E

Price: $ 0.00
Product Category:

Filters

Manufacturer: Murata Electronics North America
Short Description: FILTER SAW 303.825MHZ 6SMD
More Detail: N/A
DataSheet: RF3210E datasheetRF3210E Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Obsolete
Moisture Sensitivity Level (MSL): --
Frequency - Center: 303.825MHz
Bandwidth: --
Insertion Loss: --
Ratings: --
Applications: --
Mounting Type: Surface Mount
Package / Case: 6-SMD, No Lead
Height (Max): 0.054" (1.38mm)
Size / Dimension: 0.118" L x 0.118" W (3.00mm x 3.00mm)
Description

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Surface acoustic wave (SAW) filters are widely used for various applications requiring frequency or signal selection, ranging from cellular telephony to military and aerospace applications. The RF3210E filter is one such device specifically designed for use in radio frequency (RF) communication applications. This article discusses the application field and working principle of the RF3210E SAW filter.

Application Field of the RF3210E SAW Filter

The RF3210E SAW filter is designed to enable the operation of multiple radio frequency systems in the presence of strong adjacent channel interference. It is particularly well suited for use in digital cellular applications where stringent selectivity requirements exist to reject interference in the cellular band and to create spurious free reception in the presence of co-channel and cross-channel interference. Key features of the RF3210E include:

  • High selectivity
  • High out-of-band rejection
  • Good linearity
  • Low insertion loss

In addition, the RF3210E features a wide range of filter characteristics such as passband frequency range, bandwidth, selectivity, phase linearity, temperature stability, and rejection of harmonic signals. This makes it ideal for use in RF systems for various applications such as cellular base stations, trunking radios, cellular repeaters, urban vehicle tracking systems, in-building communication systems, test and measurement equipment, and wireless nodes.

Working Principle of the RF3210E SAW Filter

The RF3210E SAW filter is based on a piezoelectric effect. When a quartz substrate is driven by an electrical signal, it causes a change in stress in the quartz material, which produces an acoustic wave called a surface acoustic wave (SAW). This wave propagates only in a single direction across the surface of the quartz substrate. A SAW filter then consists of an array of piezoelectric elements called "interdigital transducers" (IDTs). The IDTs act as frequency-selective filters. The RF3210E SAW filter utilizes a quartz substrate and two IDTs arranged in a serpentine pattern to remove unwanted signals in the desired passband and provide good rejection of signals outside the passband.

The two IDT electrodes create an acoustic surface wave with an appropriate phase difference along the serpentine path. When signals of different frequencies are applied to the filter, the signals are traveling at different speeds. As a result, the signals that are traveling faster than the surface wave are reflected away from it, while the signals that are traveling slower than it are amplified. This effect creates the desired frequency selectivity in the filter. The RF3210E utilizes this signal-processing capability to provide stringent selectivity in order to reject interference signals from the desired passband.

Conclusion

The RF3210E SAW filter is an advanced filter specifically designed for use in a variety of RF communication applications. By using the piezoelectric effect, the filter is able to provide high selectivity, high out-of-band rejection, and excellent linearity characteristics over a wide range of temperatures. The RF3210E filter can be used in a variety of applications including cellular base stations, trunking radios, and in-building communication systems.

The specific data is subject to PDF, and the above content is for reference

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