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Published in 2022 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2022.3148385
Abstract: This article presents a 140-GHz eight-element wafer-scale phased-array transmitter based on intermediate-frequency (IF) beamforming with 5-bit phase and 4-bit gain control in the GlobalFoundries 45RFSOI process. The chip contains a shared local-oscillator (LO) multiplier chain…
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Keywords:
phased array;
array transmitter;
tex math;
inline formula ... See more keywords
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Published in 2019 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2896733
Abstract: In this paper, a Ka-band digital beamforming array transmitter (DBFAT) using direct digital synthesizer (DDS) for millimeter-wave (mmW) applications is proposed. The system architecture, realization, generation, and measurement process of multiple beams are introduced. The…
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Keywords:
array;
multibeam;
array transmitter;
generation measurement ... See more keywords
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Published in 2021 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2020.3038193
Abstract: Digital predistortion (DPD) of a phased array requires that multiple transmit paths must be measured by a feedback (FB) receiver (Rx). In this article, we propose an FB concept for DPD in a time-division-duplex (TDD)…
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Keywords:
far field;
dpd;
array transmitter;
phased array ... See more keywords
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Published in 2022 at "IEEE Transactions on Very Large Scale Integration (VLSI) Systems"
DOI: 10.1109/tvlsi.2022.3151383
Abstract: In this article, a CMOS Ku -band phased-array transmitter with eight elements is demonstrated. To mitigate the measurement time and complexity, a built-in self-test (BIST) circuit is developed in this chip. A fully symmetrical sampling…
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Keywords:
phased array;
self test;
array transmitter;
built self ... See more keywords