2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS) 2015
DOI: 10.1109/newcas.2015.7181998
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Impact of small antenna on linear power amplifier performance in a co-design approach

Abstract: The main objective of this study is to determine the impact of a co-designed small antenna on linear power amplifier (PA) performances. Special attention is paid to load-pull optimization to derive suitable values of the antenna input impedance at the operating frequency and the first higher-order harmonics. The impact of the antenna impedance profile in the operational band on PA performance is also addressed. It is found that the PA is more linear, when its operating frequency is below the antenna resonance,… Show more

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(2 citation statements)
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“…Small patch 0.9 2.8+j0. listed as [6]- [9] in Table 1. If reported, the improvement with respect to a 50 Ω reference design is indicated by an arrow.…”
Section: Direct Matchingmentioning
confidence: 99%
See 1 more Smart Citation
“…Small patch 0.9 2.8+j0. listed as [6]- [9] in Table 1. If reported, the improvement with respect to a 50 Ω reference design is indicated by an arrow.…”
Section: Direct Matchingmentioning
confidence: 99%
“…In [6] and [7], electrically small antenna designs are used to achieve very low input impedances and compact form factors. However, in this case there exists a severe trade-off between optimal impedance matching and radiation efficiency [3].…”
Section: Direct Matchingmentioning
confidence: 99%