Oscillation suppressor for ring-bar slow wave structure专利检索-慢波结构电子零件及设备专利检索查询-专利查询网

Oscillation suppressor for ring-bar slow wave structure

阅读：579发布：2022-11-11

专利汇可以提供Oscillation suppressor for ring-bar slow wave structure专利检索，专利查询，专利分析的服务。并且A longitudinally directed comb supported ring bar slow wave structure includes a pair of elongated waveguides. Energy from the structure is coupled to the waveguides to propagate transversely of the structure. The waveguides extend longitudinally of the structure and are positioned so they abut against and span the external sides of the structure. The waveguides are dimensioned so that they are cut off over the operating bandwidth of the circuit but are capable of supporting spurious microwave energy extant in the structure above the operating bandwidth. The spurious energy is coupled by the waveguides to elongated transversely tapered loads at the far ends of the waveguides. The length of the waveguides in the propagation direction is at least three times the waveguide height.，下面是Oscillation suppressor for ring-bar slow wave structure专利的具体信息内容。

权利要求

1. A slow wave structure adapted to interact over a preselected band of frequencies with a linear beam of electrons, comprising; a conducting circuit comprising a series of closed conducting loops periodically spaced in an axial direction and encompassing a hollow passageway containing an axis of symmetry, each loop conductively joined to one adjacent loop at one side of said passageway and to the other adjacent loop at a symmetrically opposite side, an envelope surrounding said circuit, dielectric means supporting said loops from said envelope, said envelope including a conducting wall, a waveguide forming part of said wall and having an open end extending in said axial direction over a plurality of periods of said circuit, said waveguide having two conducting walls parallel to said axis, the spacing between said two waveguide walls being such that said waveguide is cut off for transmission transverse to said axis of wave energy in said band of frequencies, and wave absorptive means in said waveguide spaced from said open end.

2. The apparatus of claim 1 wherein said dielectric means comprises a comb with teeth supporting said loops.

3. The slow wave structure of claim 1 wherein two said waveguide walls are equally spaced from a plane containing said axis.

4. The apparatus of claim 1 wherein said wave absorptive means has distributed loss increasing with distance from said open end.

5. The slow wave structure of claim 1 wherein the transverse electric length of said waveguide is at least three times the electric vertical height of said waveguide.

6. The slow wave structure of claim 1 wherein said wave absorptive means comprises lossy material substantially spanning the axial extent of said waveguide.

7. The apparatus of claim 6 wherein said lossy material is transversely tapered to a lesser height toward said open end and wherein said structure further comprises an elongated transversely tapered dielectric material between said lossy material and said open end, the tapers of said dielectric material and said lossy material mating so that the two said materials substantially fill said waveguide means.

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Oscillation suppressor for ring-bar slow wave structure

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