Articles with "attenuator" as a keyword



Voltage‐controlled attenuator based on PIN diode and compensated gold wire inductors

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34295

Abstract: This paper proposes an innovative design approach for a voltage‐controlled (variable) attenuator that allows continuous control of attenuation through analog voltage. Different from fixed attenuators, this work employs PIN diodes and compensated gold wire inductors… read more here.

Keywords: voltage controlled; compensated gold; attenuator; wire inductors ... See more keywords

Fluid‐filled dynamic bowtie filter: Description and comparison with other modulators

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Published in 2019 at "Medical Physics"

DOI: 10.1002/mp.13272

Abstract: PURPOSE A dynamic bowtie filter can modulate flux along both fan and view angles for reduced patient dose, scatter, and required photon flux, which is especially important for photon counting detectors (PCDs). Among the proposed… read more here.

Keywords: attenuator; dynamic bowtie; count rate; filter ... See more keywords

Study on dynamic characteristics of the bladder fluid pulsation attenuator based on dynamic mesh technology

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Published in 2019 at "Journal of Mechanical Science and Technology"

DOI: 10.1007/s12206-019-0215-3

Abstract: Fluid-flow and pressure fluctuation are main causes of vibration and noise in liquid-conveying pipeline. As a crucial auxiliary component of liquid-conveying pipeline, the bladder pressure fluctuation attenuator plays an important role in absorbing fluctuations. According… read more here.

Keywords: pipeline; pressure; dynamic mesh; attenuator ... See more keywords

Optical attenuator for Geiger mode avalanche photodiode laser detection systems

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Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2017.10.002

Abstract: Abstract This paper presents a method to estimate the optical attenuator according to the false firing percentage of Geiger Mode Avalanche Photodiode array detection system only under background light. The effect of the dark current… read more here.

Keywords: attenuator; detection; optical attenuator; avalanche photodiode ... See more keywords

A miniaturized tunable optical attenuator with ultrawide bandwidth based on evanescent-field coupling between nanofibers

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-69407-2

Abstract: We propose a novel miniaturized optical attenuator based on the evanescent-field coupling between two nanofibers. Benefiting from a wavelength-dependent waveguiding property of the coupled structure, a tunable attenuation with maximum extinction ratio of ~ 20… read more here.

Keywords: based evanescent; evanescent field; optical attenuator; field coupling ... See more keywords

Development and active noise control of a piezo-actuated attenuator for underwater vehicle pipelines

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Published in 2025 at "Smart Materials and Structures"

DOI: 10.1088/1361-665x/ae1b50

Abstract: In underwater applications, the mechanical noise has become one of the key limiting factors affecting the acoustic stealth performance of underwater vehicles. Among them, the main power unit noise and propeller noise have been effectively… read more here.

Keywords: attenuator underwater; active noise; control; actuated attenuator ... See more keywords

A Wideband Digital Attenuator Based on Conductive Bridging Random Access Memory Switches for RF System-in-Package

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Published in 2024 at "IEEE Transactions on Components, Packaging and Manufacturing Technology"

DOI: 10.1109/tcpmt.2024.3489882

Abstract: A wideband digital conductive bridging random access memory (CBRAM)-based attenuator is proposed in this article, which can be used to realize reconfigurable RF systems-in-package (SiPs). The fabrication process is developed under the processing temperature lower… read more here.

Keywords: bridging random; wideband digital; access memory; random access ... See more keywords

Design Methodology for a Wideband, Low Insertion Loss, Digital Step Attenuator in SiGe BiCMOS Technology

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Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2021.3111177

Abstract: This brief presents a wideband, low insertion loss, high attenuation range digital step attenuator (DSA) implemented using SiGe HBTs. In a switched-type topology, the off-state capacitances ( $\text{C}_{OFF}$ ) in both reference and attenuation states… read more here.

Keywords: wideband low; insertion loss; attenuator; methodology ... See more keywords

A DC-35-GHz Switched-Type Attenuator With Second-Order Compensation Technique

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Published in 2025 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2025.3572054

Abstract: This brief presents a DC-35 GHz 6-bit switched-type attenuator implemented in 65-nm CMOS technology. The attenuator achieves low phase variations by optimizing the 16 dB large attenuation unit and employing a second-order compensation technique. In… read more here.

Keywords: ghz; switched type; type attenuator; attenuator ... See more keywords

A DC-to-30 GHz NMOS Attenuator with Constant MOSFET On-Resistance

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Published in 2025 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2025.3637298

Abstract: This brief presents a 5-bit CMOS attenuator employing an NMOS on-resistance self-locking technique to address temperature drift and process variations in millimeter-wave phased arrays. Unlike conventional polysilicon resistor networks, the proposed design features an all-NMOS… read more here.

Keywords: resistance; ghz nmos; constant mosfet; attenuator constant ... See more keywords

Ionic Liquid Loaded Graphene-Based UltraWideband Terahertz Tunable Attenuator

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Published in 2025 at "IEEE Transactions on Microwave Theory and Techniques"

DOI: 10.1109/tmtt.2024.3422838

Abstract: In this article, we present an ultrawideband terahertz (THz) tunable attenuator achieved by modulating the surface impedance of single-layer graphene strips. The attenuator consists of graphene strips distributed along a coplanar waveguide (CPW) transmission line.… read more here.

Keywords: ultrawideband terahertz; tunable attenuator; attenuator; graphene ... See more keywords