B39172B1667U510

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SAW Filters

Surface acoustic wave (SAW) filters are widely used in various electronic circuits,ranging from RF cellular telephony to microwave video communications. B39172B1667U510 SAW filter is a band-pass filter which provides filteringat a variety of frequencies. This SAW filter has a passband frequency range of 960-1140 MHz and a selectivity ofabout 50 dB at frequencies of 1570-1710 MHz. It also offers good thermal and mechanical stability, making it anideal choice for applications that require high accuracy and stability.

Application field:

B39172B1667U510 SAW filter is primarily used for specifications in cellular mobile systems such as GSM, DCS, PCS, IMT-2000 and WCDMA. It is primarily usedin Base Transceiver Stations, as well as Base Station Controllers, Mobile Subscriber Stations, and Adaptive TransceiverStations. Apart from these might also be recommended for WiMAX, LTE, and other multiband cellular applications.

Working Principle:

A SAW filter works by allowing energy to be reflected, transmitted, or absorbed when it hits the device. As acousticenergy passes through the device, it passes through a series of electrodes, each of which is designed to reflect,absorb, or transmit a certain wavelength of energy. That is, when a specific frequency of energy passes through theelectrodes, it is either reflected, transmitted, or absorbed depending on the design of the filter.

Specifically, B39172B1667U510 SAW filter consists of multiple electrodes deposited on top of an piezoelectric substrate,such as quartz. The electrodes are arranged in a grid-like pattern, and each electrode is designed to interact with theincoming energy in a specific way. When the acoustic energy passes through the device, it encounters resistance at certainpoints. This resistance causes the energy to be either absorbed, reflected, or transmitted depending on the design of the electrodes.

The result of this interaction is that certain frequencies of energy will be transmitted through the filter while others areabsorbed or reflected. The SAW filter can be designed to allow only a specific frequency of energy to be passed through,while all other frequencies are blocked. This makes it ideal for applications in which high accuracy and stability isrequired.

Conclusion:

B39172B1667U510 SAW filter is an excellent choice for applications that require high accuracy and stability. It providessuperior performance in cellular applications such as GSM, DCS, PCS, IMT-2000 and WCDMA. Its passband frequencyrange is 960-1140 MHz, with a selectivity of about 50 dB at frequencies of 1570-1710 MHz. Its construction and workingprinciple allow it to block certain frequencies while allowing others to be transmitted, which makes it an ideal choice forapplications with high requirements.

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