High performance 2.4 GHz combined LTCC/SAW filter for WLAN applications in mobile phones

Vorotnikov, Borys; Chernyakov, A. L.; Sakhnenko, S.; Yatsenko, Andriy; Sevskiy, G.; Heide, P.

doi:10.1109/eumc.2007.4405221

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Sip Architecture and Ltcc Concept1

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2008

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“…For such an approach the design and layout have to be considered carefully in order to meet both Rx and Tx requirements simultaneously. For Tx the suppression of 2.17 GHz UMTS Rx is important in order not to interfere with the UMTS receiver in co-existence scenarios with mobile phones [11,12]. The Tx path includes the WiMAX power amplifier (typ EVM=4% @ 24.5 dBm) and low pass filtering for harmonics rejection.…”

Section: Sip Architecture and Ltcc Conceptmentioning

confidence: 99%

WiMax system-in-package solutions based on LTCC- technology

Heyen¹,

Yatsenko²,

Nalezinski³

et al. 2008

2008 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems

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IntroductionThis paper presents a highly integrated WiMAX System-in-Package (SiP) based on LTCC technology (Low Temperature Co-fired Ceramics). It comprises the complete passive and active RF frontend plus the transceiver RFIC for up-and down-conversion to base band. The overall size of such a smart package strongly depends on the applied technology and level of integration (multiband/multimode). The benefits on size reduction coming from advanced integration and assembly technologies are discussed and a very compact LTCC SiP with less than 50 mm 2 size and SMT-compatible footprint is demonstrated. Top level measurements show full performance and thus fully validate the LTCC integration approach. Motivation

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Section: Sip Architecture and Ltcc Conceptmentioning

confidence: 99%