Abstract

In this paper a new concept of a high-speed low power digital interface between the RF and the base-band chip of a multi-standard mobile phone is presented and compared to other popular interfaces. First, the requirements on a digital interface at the digital output of a multi-standard mobile phone RF front-end are explained. The paper gives an insight of popular digital interfaces and presents a new concept which is more robust against the ground bounce effect. We also show measurement results of a realized test chip that show functionality and benefits of the new concept

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