An Eight-Element 136–147 GHz Wafer-Scale Phased-Array Transmitter With 32 dBm Peak EIRP and >16 Gbps 16QAM and 64QAM Operation
Sign Up to like & getrecommendations! 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… read more here.
Keywords: phased array; array transmitter; tex math; inline formula ... See more keywords
A Phase-Modulation Phase-Shifting Phased-Array Transmitter With Phase Self-Calibration and Deep PBOs Efficiency Enhancement
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2024.3352555
Abstract: In this article, a digital phase-modulation (PM) phase-shifting (PS) phased-array transmitter is proposed. Both PM and PS are implemented in a PS modulator. Meanwhile, a self-calibration loop is introduced in the PS modulator for improved… read more here.
Keywords: efficiency; array transmitter; self calibration; phased array ... See more keywords
Multibeam Generation and Measurement of a DDS-Based Digital Beamforming Array Transmitter at Ka-Band
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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… read more here.
Keywords: array; multibeam; array transmitter; generation measurement ... See more keywords
Digital Predistortion of Phased-Array Transmitter With Shared Feedback and Far-Field Calibration
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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)… read more here.
Keywords: far field; dpd; array transmitter; phased array ... See more keywords
A V-Band Four-Channel Phased Array Transmitter Front-End With 0.7° Phase Step and 20 dB Gain Dynamic Range
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DOI: 10.1109/tmtt.2024.3373752
Abstract: This article reports a $V$ -band phased array transmitter front-end module, in which a four-channel RF beamforming IC is included with power amplifiers (PAs), active phase shifters, and power dividers. The PA is linearized by… read more here.
Keywords: four channel; transmitter front; array transmitter; phased array ... See more keywords
A Ku-Band Eight-Element Phased-Array Transmitter With Built-in Self-Test Capability in 180-nm CMOS Technology
Sign Up to like & getrecommendations! 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… read more here.
Keywords: phased array; self test; array transmitter; built self ... See more keywords
A Space-Borne Ka-Band Tile-Type Phased Array Transmitter Module Based on HTCC Technology
Sign Up to like & getrecommendations! Published in 2024 at "Applied Sciences"
DOI: 10.3390/app142411992
Abstract: We propose a double-sided layout design method with high reliability for multi-beam phased array transmitter modules based on high-temperature co-fired ceramic technology. Efficient transmission of microwave signals and low-frequency signals is realized by using multi-layer… read more here.
Keywords: technology; module; transmitter; array transmitter ... See more keywords