Results 211 to 220 of about 973,387 (301)
Some of the next articles are maybe not open access.
60 GHz 7-Bit Passive Vector-Sum Phase Shifter With an X-Type Attenuator
IEEE Transactions on Circuits and Systems - II - Express Briefs, 2023This brief presents the design of a 60 GHz passive vector-sum phase shifter with 7-bit phase resolution. An analog X-type attenuator with complementary voltage control was used for vector modulation.
G. Park, C. Byeon, Chulwoo Park
semanticscholar +1 more source
A DC–28-GHz 7-Bit High-Accuracy Digital-Step Attenuator in 55-nm CMOS
IEEE Microwave and Wireless Components Letters, 2022This letter presents an ultrawideband 7-bit digital-step attenuator (DSA). Capacitive compensation technique is utilized to improve the amplitude and phase accuracy and enable wideband operation.
Nayu Li +6 more
semanticscholar +1 more source
IEEE transactions on microwave theory and techniques, 2021
This article presents a 7-bit wideband passive attenuator with low insertion loss (IL) and high attenuation accuracy in 55-nm CMOS technology. The $\pi $ -type and bridge-T-type attenuation units utilize an effective capacitive compensation technique ...
Zijiang Zhang +9 more
semanticscholar +1 more source
This article presents a 7-bit wideband passive attenuator with low insertion loss (IL) and high attenuation accuracy in 55-nm CMOS technology. The $\pi $ -type and bridge-T-type attenuation units utilize an effective capacitive compensation technique ...
Zijiang Zhang +9 more
semanticscholar +1 more source
IEEE transactions on microwave theory and techniques, 2021
A K-/Ka-band distributed attenuator in a 28-nm CMOS process is presented for a phased array. The proposed voltage-controlled distributed attenuator is designed using nonuniform varistors for a wide attenuation range with a compact size.
B. Suh, Byung-Wook Min
semanticscholar +1 more source
A K-/Ka-band distributed attenuator in a 28-nm CMOS process is presented for a phased array. The proposed voltage-controlled distributed attenuator is designed using nonuniform varistors for a wide attenuation range with a compact size.
B. Suh, Byung-Wook Min
semanticscholar +1 more source
A Millimeter-Wave, Transformer-Based, SiGe Distributed Attenuator
IEEE Microwave and Wireless Components Letters, 2021This letter presents a millimeter-wave silicon-germanium (SiGe) distributed attenuator which uses a transformer-based attenuation core. The nonlinearities of the SiGe heterojunction bipolar transistor (HBT) are managed using an RC-load, which linearizes ...
Sunil G. Rao +2 more
semanticscholar +1 more source
IEEE Transactions on Electron Devices, 2021
This article reports a scalable millimeter-wave (mmWave) non-volatile switched attenuator based on phase change material (PCM) germanium telluride (GeTe). The proposed attenuator is designed using four fixed attenuation bits.
Tejinder Singh, R. Mansour
semanticscholar +1 more source
This article reports a scalable millimeter-wave (mmWave) non-volatile switched attenuator based on phase change material (PCM) germanium telluride (GeTe). The proposed attenuator is designed using four fixed attenuation bits.
Tejinder Singh, R. Mansour
semanticscholar +1 more source
A DC-50 GHz CMOS Switched-Type Attenuator With Capacitive Compensation Technique
IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2020This paper presents an ultra-broadband 5-bit switched-type attenuator (STA). Three attenuation topologies are employed for the design of the attenuation cells, including the T-type, simplified T-type and $\Pi $ -type topologies.
Peng Gu, Dixian Zhao, X. You
semanticscholar +1 more source
Filtering Attenuator with Electronically Tunable Attenuation
IEEE MTT-S International Microwave and RF Conference, 2021This paper presents a design of a filtering attenuator. Conventional microstrip line resonators of a bandpass filter are loaded with PIN diodes and the resultant component provides band selectivity as well as electronically tunable attenuation. The diode
Biswajit Pal +3 more
semanticscholar +1 more source
Dynamically Tunable Filtering Attenuator Based on Graphene Integrated Microstrip Resonators
IEEE transactions on microwave theory and techniques, 2020In this article, a novel class of dynamically tunable filtering attenuators with high selectivity and continuously tunable attenuation is proposed through the comprehensive design of graphene sandwiched structure (GSS), microstrip line, and half-mode ...
Bian Wu +6 more
semanticscholar +1 more source
A New Compact CMOS Distributed Digital Attenuator
IEEE transactions on microwave theory and techniques, 2020This article presents a new millimeter-wave (mm-wave) distributed digital attenuator with a compact size and high linearity. To overcome the large area consumption of conventional distributed attenuators, multiple unit attenuation cells are combined at a
Kwangwon Park, Seungjong Lee, S. Jeon
semanticscholar +1 more source