Matches 1 - 23 out of 23


Match Document Document Title
US20120119646 HELICAL SLOW-WAVE STRUCTURE  
The present invention provides a helical slow-wave structure, including a helix, a metal barrel and several supporting rods. The plurality of supporting rods may be inserted into the lines of the...
US20090096378 Traveling-Wave Tube 2D Slow Wave Circuit  
A two-dimensional circuit for a traveling-wave tube for millimeter and sub-millimeter electromagnetic waves synchronously interacts with an electron beam in a vacuum electronic microwave amplifier...
US20140292190 ELECTRON TUBE  
An electron tube includes a shell that encloses a helix inside, and a plurality of support rods that support and fix the helix inside the shell, a part of each support rod that is in contact with...
US20090251054 COLLECTOR AND ELECTRON TUBE  
A collector of an electron tube is formed by using a molybdenum-copper composite material or a tungsten-copper composite material.
US20120286657 PLANAR HELIX SLOW-WAVE STRUCTURE WITH STRAIGHT-EDGE CONNECTIONS  
A planar helix slow-wave structure with straight edge connections where the structure consists of two arrays of thin, parallel, conductors printed on top and bottom faces of a low-loss dielectric...
US20120133280 Coupled Cavity Traveling Wave Tube  
Various embodiments of a coupled cavity traveling wave tube are disclosed herein. For example, some embodiments provide a coupled cavity traveling wave tube including a plurality of core segments...
US20090009086 TRAVELING WAVE TUBE  
A bottom portion of a metal tape is attached to an end portion of a helix. A coaxial inner conductor for input or output of a high frequency signal is fixed by its end portion being interposed...
US20110291559 TERAHERTZ SHEET BEAM KLYSTRON  
A terahertz sheet beam klystron (TSBK) includes an electron gun configured to generate a sheet electron beam and a drift tube through which the sheet beam is propagated. The drift tube is provided...
US20120181927 HIGH FREQUENCY HELICAL AMPLIFIER AND OSCILLATOR  
Disclosed herein is a class of mm and sub mm wavelength amplifiers and oscillators operating with miniature helical slow wave circuits manufactured using micro fabrication technology. The helices...
US20060028144 Traveling wave tube with radioactive isotope charged particle source  
The invention discloses systems and methods for mediating electromagnetic interaction with an RF wave in a TWT. Embodiments of the present invention can be employed in high power amplifiers in...
US20110169404 TRAVELING WAVE ELECTRON DEVICE WITH MEMBRANE-SUPPORTED SLOW WAVE CIRCUIT  
A traveling wave device includes a slow wave circuit supported by a dielectric membrane. The dielectric membrane can have a thickness substantially smaller than a wavelength of operation of the...
US20140292191 TRAVELING WAVE TUBE SYSTEM AND CONTROL METHOD OF TRAVELING WAVE TUBE  
A traveling wave tube system includes a traveling wave tube, and a power supply device for supplying required power supply voltages to the respective electrodes of the traveling wave tube. The...
US20140265826 Asymmetrical Slow Wave Structures to Eliminate Backward Wave Oscillations in Wideband Traveling Wave Tubes  
In various embodiments, a traveling wave amplifier circuit is disclosed. The traveling wave amplifier circuit is configured to receive an RF wave and an electron beam. The traveling wave amplifier...
US20140253230 Method for Operating a Traveling-Wave Tube Module  
A method for operating a traveling-wave tube module of a communication satellite involves receiving of a high-frequency signal from an antenna of the satellite and determining that the...
US20120081003 TERAHERTZ INTERACTION CIRCUIT HAVING RIDGED STRUCTURE  
A terahertz interaction circuit is provided. The terahertz interaction circuit includes a waveguide and an electron beam tunnel. The waveguide has a folded shape and in which an electromagnetic...
US20080272698 HIGH FREQUENCY HELICAL AMPLIFIER AND OSCILLATOR  
Disclosed herein is a class of mm and sub mm wavelength amplifiers and oscillators operating with miniature helical slow wave circuits manufactured using micro fabrication technology. The helices...
US20100327743 MICROWAVE STRUCTURE FOR MICROWAVE TUBE BEAM CONFINEMENT DEVICE WITH PERMANENT MAGNETS AND ENHANCED COOLING  
The invention relates to a microwave frequency structure for microwave tube comprising a cylindrical vacuum jacket and a device for containing an electron beam in the axis of revolution of the...
US20150256139 EPSILON NEGATIVE LOADED TRAVELING WAVE TUBE  
A slow wave structure of a traveling wave tube is provided. The slow wave structure includes an input port, an output port, a first material, and a second material. The second material is mounted...
US20090096379 POWER SUPPLY APPARATUS AND HIGH-FREQUENCY CIRCUIT SYSTEM  
The present invention includes a Zener diode connected between a helix electrode and an anode electrode, a transistor that closes or opens a circuit between a cathode and an anode of the Zener...
US20110050096 ACTIVE ELECTRONICALLY STEERED CATHODE EMISSION  
An active electronically steered cathode (AESC) applies one or more electromagnetic modes to an input cavity, similar to that used in an inductive output tube. The structure and superposition of...
US20110127911 Traveling-Wave Tube Turn-Off Body Energy Circuit  
An apparatus that includes a traveling-wave tube having an electron gun having a cathode. The apparatus also includes a first power supply for establishing a first electric potential between the...
US20170140892 TRAVELING WAVE TUBE AND HIGH-FREQUENCY CIRCUIT SYSTEM  
Provided are a traveling wave tube and a high-frequency circuit system such that the product life span of the traveling wave tube operating in multiple modes can be extended while variations in...
US20160284502 WAVEGUIDE  
The present invention is a rectangular waveguide (100) providing amplification of an electromagnetic wave via interaction with an electron beam (107) in a channel defined by two parallel rows of...

Matches 1 - 23 out of 23