Antenna-in-Package and transmit–receive switch for single-chip radio transceivers of differential architecture
Date of Issue
2008School
School of Electrical and Electronic Engineering
Version
Published version
Abstract
A fully differential architecture from the antenna to the integrated circuit is proposed for radio transceivers in this paper. The physical implementation of the architecture into truly single-chip radio transceivers is described for the first time. Two key building blocks, the differential antenna and the differential transmit-receive (T-R) switch, were designed, fabricated, and tested. The differential antenna implemented in a package in low-temperature cofired-ceramic technology achieved impedance bandwidth of 2%, radiation efficiency of 84%, and gain of 3.2 dBi at 5.425 GHz in a size of 15 x 15 x 1.6 mm3. The differential T-R switch in a standard complementary metal-oxide-semiconductor technology achieved 1.8-dB insertion loss, 15-dB isolation, and 15-dBm 1-dB power compression point (P 1dB) without using additional techniques to enhance the linearity at 5.425 GHz in a die area of 60 x 40 µm2.
Subject
DRNTU::Engineering::Electrical and electronic engineering
Type
Journal Article
Series/Journal Title
IEEE transactions on circuits and systems—I
Rights
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Collections
http://dx.doi.org/10.1109/TCSI.2008.925822
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