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EVS-EN 62604-2:2012

Surface Acoustic Wave (SAW) and Bulk Acoustic Wave (BAW) duplexers of assessed quality - Part 2: Guidelines for the use

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Kehtetu alates 16.03.2018
Alusdokumendid
IEC 62604-2:2011; EN 62604-2:2012
Tegevusala (ICS grupid)
31.140 Piesoelektrilised seadised
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Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
16.03.2018
Põhitekst
05.03.2012
Põhitekst
This part of IEC 62604 concerns the duplexers, which can separate receiving signal from transmitting signal and are key components for two-way radio communications. They are generally used in mobile phones using CDMA systems such as N-CDMA, W-CDMA / Universal Mobile Telecommunication System (UMTS). So far, dielectric duplexers have been mainly used. However, recently SAW duplexers, which are utilized surface acoustic wave (SAW), are becoming popular and replacing the dielectric duplexers year by year in recent mobile phones, because of their advantage of small size, light weight and good electrical performances. In addition to SAW duplexers, BAW duplexers, which are utilized bulk acoustic wave (BAW), are also becoming in the spotlight and popular because of their higher Q property and better performances especially in PCS band
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