Results 1 to 10 of about 1,358 (264)
A 90–100 GHz SiGe BiCMOS 6-Bit Digital Phase Shifter with a Coupler-Based 180° Unit for Phased Arrays [PDF]
MicromachinesThis paper presents a 90–100 GHz wideband digital phase shifter with a fine resolution of 5.625°, implemented in a 0.13 μm SiGe BiCMOS process. A switch-type architecture with six cascaded units, including a novel 180° cell based on a broadband coupler ...
Hongchang Shen +7 more
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Demonstration of a tunable non-Hermitian nonlinear microwave dimer [PDF]
Nature CommunicationsAchieving and controlling non-reciprocity in engineered photonic structures is of fundamental interest in science and engineering. Here, we introduce a tunable, non-Hermitian, nonlinear microwave dimer designed to precisely implement phase-non-reciprocal
Juan S. Salcedo-Gallo +8 more
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Compact digital phase shifter utilising negative phase velocity
Electronics Letters, 2008 A compact digital phase shifter is presented utilising negative phase velocity in metamaterial technology. The phase shifter was designed and it was measured ranging from 0deg to 360deg with discrete increments of 60deg. The measurement result shows that the average increment of phase shift was X = 59.28deg and its standard deviation was sigma = 6 ...
J.H. Choi, C.W. Jung
exaly +2 more sources
A Ku-Band Bi-Directional Transmit and Receive IC in 0.13 μm CMOS Technology
Applied Sciences, 2022 This paper presents a Ku-band transmit and receive IC in 0.13 µm CMOS technology for mobile satellite communication beamforming systems. A Ku-band transmit and receive IC is composed of a bi-directional amplifier, a 6-bit phase shifter, and a 6-bit ...
Jeong-Geun Kim, Donghyun Baek
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Low Loss Multi-Channel Communication Combiner for Cellular Applications
IEEE Access, 2023 The increasing demand for cellular communication channels calls for multichannel solutions. Using one antenna for each channel results in a high density of antennas at the compact cellular station front, which generates inter-channel interference.
Eran Rosenberg +7 more
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Hybrid Precoding Algorithm Based on Discrete Orthogonal Matching Pursuit for Millimeter-Wave Relay Networks [PDF]
Jisuanji gongcheng, 2020 In order to improve the beamforming gain of massive Multiple-Input Multiple-Output(MIMO) relay system and reduce the hardware cost of phase shifters and radio frequency links in hybrid precoding architecture,this paper proposes a hybrid precoding ...
DING Qingfeng, GAO Xinpeng, DENG Yuqian
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A 60GHz digitally controlled phase shifter in CMOS [PDF]
ESSCIRC 2008 - 34th European Solid-State Circuits Conference, 2008 This paper presents a 60 GHz digitally controlled phase shifter in the 65 nm CMOS technology. Using a differential varactor-loaded transmission-line architecture, the phase shifter achieves a phase resolution of 22.5deg, an average insertion loss of 8.5 to 10.3 dB and a return loss of better than 10 dB from 55 to 65 GHz.
Yikun Yu +6 more
openaire +1 more source
Journal of Electronic Science and Technology, 2021 A nonlinearity-compensation-free optical frequency domain reflectometry (OFDR) scheme is proposed and experimentally demonstrated based on the electrically-controlled optical frequency sweep.
Fan Yang +4 more
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A 28‐GHz reconfigurable 1‐bit substrate‐integrated‐waveguide based phase shifter
IET Microwaves, Antennas & Propagation, 2021 A switched‐line substrate integrated waveguide 1‐bit phase shifter is designed and measured at 28 GHz. Reconfigurability is achieved through a set of floating metallized vias whose connection to the waveguide top and bottom layers can be controlled using
G. Acri +4 more
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A Compact Impedance Measurement Solution for Systems Operating in Load Varying Scenarios
IEEE Access, 2021 This paper presents a compact solution for impedance calculation obtained from low phase resolution stationary wave measurements, for RF power systems operating in load varying scenarios.
Cristiano F. Goncalves +4 more
doaj +1 more source