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Folded waveguide twt

WebMay 17, 2024 · At the operating voltage of 21.2 kV and the operating current of 320 mA, the proposed TWT can generate 128 W of output power at 220 GHz, and its 3-dB bandwidth is 7 GHz, ranging from 216 to 223 GHz. Published in: IEEE Transactions on Plasma Science ( Volume: 47 , Issue: 6 , June 2024 ) Article #: Page (s): 2971 - 2978 WebFIG. 1. (a) 2-D cross section geometry of the simulated sine waveguide TWT. (b) 3-D mesh plot example of a simulated sine waveguide TWT geometry (the displayed TWT mesh plot is 5 periods shorter than the simu-lated device used in this study, giving a better aspect ratio in the figure). Waveguide width in the X-Axis direction is 2.29cm.

Design and Simulation of 140GHz Folded Waveguide TWT Slow …

WebMicrofabricated folded waveguide traveling-wave tubes (TWTs) are potential compact sources of wide-band, high-power terahertz radiation. We present feasibility studies of an … WebApr 24, 2014 · We present the design of a folded waveguide traveling wave tube (TWT) periodically loaded by epsilon negative (ENG) metamaterial slabs. When a given folded waveguide slow-wave structure (SWS) is loaded with ENG metamaterials, its band diagram is shifted to higher frequencies. To shift the band diagram back to the desired (lower) … hurlburt field firearm policy https://amgsgz.com

Theoretical Study for Folded Waveguide Traveling Wave …

WebA Traveling Wave Tube (TWT) is an electronic device used to amplify RF signals. TWTs are integrated with a regulated power supply and protection circuits to make a High Power Amplifiers (HPA), which commonly are … Webon the tested TWT which show an obvious effect to increase the electron efficiency. 2. Folded waveguide circuit design and 3D simulation A typical folded waveguide circuit is shown in figure 1(a), where a and b are the outer dimensions of the guide; h is the length of straight waveguide; l and p represent the wave and beam WebOct 22, 2006 · Abstract A 140 GHz folded waveguide slow-wave circuit is designed using the Pierce theory and a three-dimensional (3D) particle-in-cell (PIC) code. Dispersion relation and interaction impedance... hurlburt field employment

Ka -Band Low-Voltage Multiple-Beam Mini-TWT Request PDF

Category:Coherent Terahertz Radiation from Multiple Electron Beams …

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Folded waveguide twt

Electronics Free Full-Text High-Frequency Vacuum Electron …

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 ... WebMar 1, 1995 · Experiments on a folded waveguide gyro-TWT amplifier are underway to demonstrate high power (> 50kW), broadband (BW > 15%), Ka-band radiation amplification. The interaction circuit is a periodic, H-plane bend, transverse folded waveguide employed with a high power axis-encircling electron beam. The electron beam with a large …

Folded waveguide twt

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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. http://plasmabay.engin.umich.edu/wp-content/uploads/sites/281/2024/08/Hoff-2016-Study-of-a-high-power-sine-waveguide-traveling-wave-tube-amplifier-centered-at-8-GHz.pdf

WebJan 1, 2024 · 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 $\sim$ 6 kV. A proof-of-principle four ... WebMar 30, 2011 · In this paper, we analyze the design of the folded waveguide slow-wave circuit for traveling-wave tube (TWT) amplifiers. On the basis of physical analyses, an improved physical-based design method that is especially suitable …

WebAug 29, 2024 · Abstract: Institute of Applied Electronics has developed a wideband continuous waves (CW) transformed folded waveguide Traveling Wave Tube … WebApr 27, 2024 · A significant advantage of the folded wave traveling wave tube (TWT) is simple coupling structure. In millimeter wave band, owing to higher frequency, linear …

WebMay 23, 2013 · The 2.5D large-signal code TESLA-FW was recently developed with the goal to model TWT amplifiers based on the serpentine or folded-waveguide slow-wave structures. Predictions of the large-signal code, applied to the modeling of the single stage amplifiers, were found in a good agreement with the results of the 3D PIC code MAGIC, …

http://tallguide.com/ mary ethel millerWebMar 5, 2024 · For other novel SWSs for millimeter wave structures, a cosine-vane folded waveguide is used for a miniaturized E-Band TWT for wireless communication, and an over-moded flat-roofed sine waveguide is designed for high-power multi-beam TWTs. The E-band TWT has the properties of 9 W with a low voltage of 9 kV and compactness; this … hurlburt field finance cspWebJun 4, 2024 · A design of a V-band Helix-Folded Waveguide (H-FWG) cascaded traveling wave tube (TWT) is presented. In this cascaded structure, a digitized nonlinear theory model is put forward first to simulate these two types of the tubes by common process. ... "Theoretical Analysis and PIC Simulation of a 220-GHz Second-Harmonic Confocal … mary e todd nc 1834 tnWebMay 23, 2013 · Abstract: A novel taper ridge-vane loaded folded waveguide (FWG) slow wave structure (SWS) for 140 GHz traveling wave tube (TWT) has been presented in this paper. The electromagnetic characteristics and beam-wave interaction of this kind of structure are calculated. It is shown from our calculation results that the new kind of … hurlburt field financial officeWebJul 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 … hurlburt field finance appointmentWebDec 1, 2024 · A folded waveguide circuit with modified circular bends is utilized to eliminate the band-edge instability caused by the high beam voltage of 20 kV. A pencil beam of 50 mA with a transmission... mary e tompkinsWebNov 10, 2024 · The power amplifier in the MPM is a folded waveguide (FWG) TWT, capable of 80 W saturated output power at 20.8 kV, 220 mA . BVERI developed an E … maryetta anschutz