Results 11 to 20 of about 43,191 (254)
Synthesis of branch-guide directional couplers and filter prototypes [PDF]
, 1968 The object of this thesis is the solution of the following problems using the theories of lumped and distributed network synthesis: (1) Synthesis of equally terminated, lumped and. distributed filters containing an even number of elements.
Lind, Larry Frederick
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A 12.4–32 GHz CMOS Down-Conversion Mixer for 28 GHz 5G New Radio (NR)
Applied Sciences, 2023 We report a low voltage (VDD) and power (PDC) 12.4–32 GHz CMOS down-conversion mixer with high conversion gain (CG) for 28 GHz 5G communications. A quarter-wavelength (λ/4) transmission line (TL) and a coupling capacitor (Cc), named the λ/4-TL-C-based ...
Yo-Sheng Lin, Kai-Siang Lan
doaj +1 more source
IEEE Access, 2017 A novel millimeter-wave (mm-wave) 90° phase-compensated hybrid coupler using the ridge-gap waveguide (RGW) technology is studied and developed. The coupler is low-loss at mm-wave frequency bands, whereas using conventional transmission lines, such
Mohammadmahdi Farahani +4 more
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Nondestructive characterization of fiber couplers by a local perturbation method [PDF]
, 2002 A technique for the nondestructive characterization of fiber couplers is demonstrated. A CO2 laser beam is scanned along the coupler length inducing a local perturbation to the coupler eigenmodes.
Ghiringhelli, F. +3 more
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Ultra-Broadband Directional Couplers Using Microstrip with Dielectric Overlay in Millimeter-Wave Band [PDF]
, 2011 Nowadays, millimeter-wave systems are being a key factor to develop wide band applications. In this paper, a directional coupler in millimeter-wave band using dielectric overlay is presented.
Alonso Montes, José I. +4 more
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Suitability of the Microvascular Anastomotic Coupler System for Small Spliced Vein Grafts
Journal of Plastic and Reconstructive Surgery, 2023 Microvascular anastomotic coupler system is used in vascular surgical procedures. By using this device, vascular anastomosis can be performed faster and more easily. It is often used for venous anastomosis during microsurgical reconstruction.
Yutaro Yamashita +4 more
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High temperature performance of an optical microfibre coupler and its potential use as a sensor [PDF]
, 2012 The dependence of the transmission spectrum of an optical microfibre coupler at high temperatures is investigated experimentally. Results show a temperature sensitivity up to 36.59 pm/°C at a taper waist outer diameter of 2.5 µm; such a temperature ...
Brambilla, Gilberto +6 more
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ARO-The Scientific Journal of Koya University, 2020 branch-line microstrip coupler is designed and fabricated in this paper. The proposed coupler operates at 3 GHz, which is suitable for WiMAX applications.
Sayed M. Hosseini, Abbas Rezaei
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A Novel Analytical Design Technique for a Wideband Wilkinson Power Divider Using Dual-Band Topology
Sensors, 2021 In this paper, a novel analytical design technique is presented to implement a coupled-line wideband Wilkinson power divider (WPD). The configuration of the WPD is comprised of three distinct coupled-line and three isolation resistors.
Asif I. Omi +4 more
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Development of Coupler Applying Hydraulic Force Fastening Method [PDF]
한국정밀공학회지, 2021 Currently, the number of construction cases using large-diameter and high-strength steel and high-strength concrete is increasing due to the trend of large buildings.
Sanghun Shin, Seonghun Park
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