November 1, 2008

SAW Components: Front-end module with integrated duplexer

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EPCOS has developed a new front-end module that incorporates a duplexer function in addition to GSM filtering. It is suited to dual-mode mobile phones operating in quad-band GSM and WCDMA band I mode. Even with complete integration of all filter functions, this LTCC-based module measures only 5.4 x 4.0 x 1.2 mm³. The M140 was optimized to minimize its power consumption and operates with control voltages of only 1.8 V. Another feature is its high linearity of -110 dBm. Thanks to its matched duplexer inputs, design-in with corresponding chipsets is simplified. ESD protection for voltages of up to 8 kV is incorporated in addition to all filter functions.

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