Results 31 to 40 of about 356 (180)

A 0.85–1.25 GHz On‐Chip Tunable Bandpass Filter Using Cascaded Parametric Mixing in GaAs MMIC

open access: yesElectronics Letters, Volume 62, Issue 1, January/December 2026.
This paper demonstrates the first fully integrated GaAs MMIC implementation of a parametric frequency‐translated bandpass filter using cascaded up‐ and down‐conversion stages around a fixed idler resonance. The proposed architecture enables continuous tuning from 0.85 to 1.25 GHz with near‐unity gain, <3 dB insertion loss and >30 dB out‐of‐band ...
Sean C. Chen   +3 more
wiley   +1 more source

Novel Compact Quad‐Band HMSIW BPF and FPD With Low Loss and Tunable Passbands

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2026, Issue 1, 2026.
This work introduces a new quad‐band bandpass filter (BPF) and filtering power divider (FPD) based on half‐mode substrate integrated waveguide (HMSIW) technology and metamaterial concept. To achieve a high level of miniaturization, multiple design approaches are jointly employed, including HMSIW implementation, evanescent‐mode operation, stepped ...
Mostafa Danaeian, Vicente E. Boria
wiley   +1 more source

Design of an S-Band Diplexer for Telemetry and Telecommand Subsystems in LEO Satellites [PDF]

open access: yesفصلنامه علوم و فناوری فضایی
This study investigates the design requirements for telemetry and telecommand subsystems in satellites operating in low Earth orbit (LEO) and outlines the specifications for a diplexer suited for the S-band frequency range.
Behzad Ahmadi   +2 more
doaj   +1 more source

High-Contrast and Compact Integrated Wavelength Diplexer Based on Subwavelength Grating Anisotropic Metamaterial for 1550/2000 nm

open access: yesIEEE Photonics Journal, 2021
A high-contrast and compact wavelength diplexer is presented for conventional 1550 nm and emerging 2000 nm based on a subwavelength-grating (SWG) coupler. The SWG silicon waveguide thoroughly blocks the light propagation around 1550 nm but fully supports
Danfeng Zhu   +4 more
doaj   +1 more source

A 130‐nm SiGe BiCMOS On‐Chip Diplexer With High‐Q Inductors for K/Ka‐Band Applications

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2026, Issue 1, 2026.
This paper presents a high‐performance on‐chip diplexer designed for K/Ka‐band applications, fabricated via 130‐nm SiGe BiCMOS across two distinct frequency bands: 17–21 and 27–31 GHz. A localized backside etching (LBE) technique is employed to create air cavities beneath the inductors, a method that fundamentally mitigates substrate‐related losses and
Francesco Greco   +10 more
wiley   +1 more source

Wideband Millimeter‐Wave Balun‐Diplexer Based on a Novel Coupled Marchand Architecture for Compact Footprint and Phased‐Array Integration

open access: yesMicrowave and Optical Technology Letters, Volume 67, Issue 11, November 2025.
ABSTRACT This letter presents the first reported wideband balun‐diplexer for mm‐wave applications, designed for shared‐aperture full‐duplex array systems. By integrating balun and diplexer functionalities in a single component, we enable per‐element self‐interference suppression, while also facilitating the interface between the balanced feed of the ...
Teanette van der Spuy   +4 more
wiley   +1 more source

Monolithic Terahertz Topological Mach‐Zehnder Interferometer

open access: yesAdvanced Materials, Volume 37, Issue 37, September 18, 2025.
A monolithic topological Mach‐Zehnder interferometer (MZI) is presented, integrating the splitter, combiner, and waveguide arms on a single chip. The interferometric fringes exhibiting high on‐off contrast with extinction ratios over 20 dB are achieved by utilizing tailored unit cells that facilitate interface‐dependent out‐of‐plane radiation losses ...
Nikhil Navaratna   +3 more
wiley   +1 more source

Design Procedure for Interdigital Waveguide Bandpass Filters Based on Flat Metallic Strips

open access: yesRadio Science, Volume 60, Issue 3, March 2025.
Abstract In this work, we describe a new topology for interdigital bandpass filters implemented in waveguide technology. Compared to classical coaxial resonators, which are typically based on cylindrical metallic posts, the resonators that we propose are based on rectangular boxed cavities loaded with flat metallic strips of a finite thickness.
R. García   +6 more
wiley   +1 more source

Three‐Way Equal Filtering Power Divider for Modern Communication Systems

open access: yesEngineering Reports, Volume 7, Issue 1, January 2025.
A balanced three‐way filtering power divider that receives input power and delivers equal amount of output to its three output ports is developed and realized using microstrip technology. The design is well‐suited for modern communication systems due to its low insertion and return losses, sharp selectivity, and integrated filtering capability ...
Augustine O. Nwajana, Rose Paul
wiley   +1 more source

A new microstrip diplexer using open-loop resonators

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2014
In this paper, a new microstrip diplexer using open loop resonators with compact size and high isolation is designed and fabricated for the WLANs (IEEE 802.11b/g at 2.4 GHz and IEEE 802.11a at 5.2 GHz) applications.
A. Chinig   +6 more
doaj  

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