Folded waveguide
WebNov 12, 2024 · A W-band folded waveguide with a total of 80 periods was designed for a traveling-wave-tube (TWT) amplifier operating at 90 GHz–100 GHz. The measured return loss and insertion loss of the W-band fabricated circuit were–10 dB and 0.42 dB/cm, respectively. A G-band circuit showed a higher insertion loss of 1.57 dB/cm. WebJul 20, 2003 · A folded waveguide (FW) is a promising slow-wave structure (SWS) for millimeter-wave traveling-wave tubes (TWTs) with the advantages of high power and …
Folded waveguide
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WebJul 30, 2024 · 2.1 Investigation of Folded Waveguide Interaction Circuits A folded waveguide is a kind of periodic slow-wave circuit [ 12 ]. It is formed by bending of rectangular waveguide along the electric field surface with … WebMar 31, 2024 · A W-band folded waveguide with a total of 80 periods was designed for a traveling-wave-tube (TWT) amplifier operating at 90 GHz–100 GHz. The measured return loss and insertion loss of the W-band ...
WebJan 9, 2024 · Development of a 0.32-THz Folded Waveguide Traveling Wave Tube Abstract: A traveling wave tube amplifier operating above 300 GHz based on folded … Webat the waveguide has been achieved using a movable coaxial transmission line feed. Bench-top comparisons with loop antennas have been made. The folded waveguide coupler will be mounted on the Radio Frequency Test Facility for high-power tests up to 1.5 MW. INTRODUCTION A general description of the folded waveguide coupler concept …
WebApr 5, 2024 · Abstract: We describe the design, development, and initial testing of a very compact, multiple-beam folded-waveguide traveling wave tube (TWT) operating in Ka -band at 6 kV. A proof-of-principle four-beam, 100 mA/beam device has been fabricated and tested, and a 16-beam version of the device has been designed and is predicted to … WebJun 1, 2014 · The folded waveguide (FWG) is a rectangular waveguide folded in a serpentine shape (Figure 19 (a)) to reduce the axial phase velocity of the EM wave to have synchronism with the electron beam...
WebNov 26, 2015 · Alternating-phase-fed waveguide slot arrays were then proposed to implement broadband resonant characteristics [ 9, 10 ]. This feeding scheme also removes the need for folded shorts because the shorting wall is located only one-quarter of a wavelength from the last slots in the feeding waveguide.
WebNov 13, 2004 · Folded-waveguide (FWG) structure can be thought of as a reduced height rectangular waveguide, folded at one or more suitable axis locations. The conceptual development of two commonly used... eating well tahini sauceWebA three-dimensional (3-D) algorithm for solving Maxwell's equations is applied to the analysis of folded waveguides used for fusion plasma heating at the ion cyclotron … companies house strategyWebNov 10, 2024 · To realize the miniaturization of E-band traveling-wave tubes (TWTs), the size analysis and optimization design were carried out based on an improved cosine-vane folded waveguide (CV-FWG) slow-wave structure (SWS) that operates in a low voltage. In addition, a novel miniaturized T-shaped coupler was proposed to achieve a good voltage … eating well tomato soup recipeWebJan 9, 2024 · Development of a 0.32-THz Folded Waveguide Traveling Wave Tube Abstract: A traveling wave tube amplifier operating above 300 GHz based on folded waveguide (FWG) slow-wave structure is presented in this paper. The design and test results of key components are presented, including FWG slow-wave structure, electron … eating well truth about proteinWebSep 9, 2024 · Folded waveguide (FW) is a promising type of slow-wave structure (SWS) for millimeter-wave traveling-wave tubes. Results of development of several millimeter-band FW SWSs are presented. SWS... eating well the first yearFolded waveguide (FWG) traveling wave tube (TWT), which shows advantages in high power capacity, moderate bandwidth, and low-cost fabrication, has become the focus of vacuum electronics recently. Sheet electron beam devices are better suited for producing radiation sources with large power in millimeter wave spectrum due to their ... companies house strategy 2020WebSep 9, 2014 · Design of RF structure for W-band folded waveguide traveling-wave tube was accomplished using electromagnetic simulation codes CST-MWS and GdfidL. The parameters characterizing the folded waveguide structure were optimized through a detailed analysis. CST-MWS and GdfidL simulated dispersion results have been … eating well tofu recipes